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Hoffer turbine flowmeter user manual

1. 5 Year Limited Warranty API Precision HO Series Excluding pickup coils Liquid Precision HO Series Excluding pickup coils Gas Precision HO Series Excluding pickup coils 1 Year Limited Warranty Type Series Service 3A HO Liquid Star Industrial HO Liquid Teflon HO Liquid Mini Flowmeter MF Liquid amp Gas Insertion HP Liquid amp Gas Wing Nut HO Liquid Grooved HO Liquid PD Meters HOG Liquid OEM Lo Co Liquid Pickup Coils All Signal Conditioners All Converters amp Electronic Accessories Flowstar amp Nova Flow All Series Flow Computers ACE amp ACE II All Digital amp Analog Totalizers Rate Indicators Electronic Spares Cables amp Replacement parts All outside purchased items such as Valves Strainers Pressure amp Temperature Transmitters Note Turbine flowmeters are ideally suited for service in clean liquid and gas service Certain Hoffer turbine flowmeter series may be enhanced for use in slurry type flow applications The flowmeter internals will eventually wear when the turbine flowmeter is installed in a dirty type of flow application The rate of wear is a function of flow velocity the type of slurry service and the percentage of particulate to liquid HFC is unable to predict the life of the flowmeter internals for slurry applications Our standard product warranty does not apply for flowmeters that will be used in slurry type applications HP 228 Turbine
2. 40034 9 MJA 14033 JULS 40084 1033 9 10 9 L33HS 336 539 13 40050 304 SNOISN3MIG G 9 30 S 133HS 335 S39NVH 90051 006 303 SNOISN3MIQ 9 40 9 133 5 335 5 9 4009 00 303 SNOISN3MIQ 79 40 J33HS 335 S39NV13 4002 304 SNOISN3MIG Z 79 40 2 133 5 335 S39NV13 409 303 SNOISN3WIQ 71 SALON 10 70 WIG 31938400 NOINN 39 G3SIA38 8S 0 00S SYM ON 200146 7334 3 SNOISIAZY 304 ddV CERE Has 0006 221211 5002 ZONE REV DESCRIPTION 7 z lt gt e D 0 5 Lu e z 5 e x z 5 5 8 275 425 5425 1200 1100 7 062 sm T etn 1220 11 33 7187 3406 138 11 4 1235 1145 725 5468 160 Le 475 1256 1159 7 625 5845 2067 seo wm us 248 21 2 10 gt sm sn 600 500 625 350 11 2 __ 600 300 500 5875 2 850 325 212 700 350 700 11 4 REPLACES 500 0158 5002 SHEET 9 30 113 5 ANON 2125 9 C006 XOH 10556 5 ON OMG 3
3. 0 64 4 4 3 FLOWMETER CALIBRATIONS eene enne rennen 5 GENERAL INSTALLATION PROCEDURE cen 6 A 8 FLOW STRAIGHTENERS and INSTALLATION KITS 9 SIGNAT iter HR NER EMT 10 SIGNAL CONDITIONERS CONVERTERS eene 10 PREVENTIVE MAINTENANCE AND TROUBLE SHOOTING 11 PICKUP COIETESTINGT rote ep cop Iren rote eo ite 11 BEARING 11 BEARING REPLACEMENT for THREADED SHAFTS 12 BEARING REPLACEMENT for NON THREADED SHAFTS 13 BEARING REPLACEMENT for WING NUT WECO METERS WEAR LIMITS for WING NUT METERS 17 HO SERIES CALIBRATED SPARE OR REPLACEMENT 18 INTERNAE TITS 18 SPARE OR REPLACEMENT PICKUP COILS 18 PART NO DESCRIPTION OF SERVICE TEMP RATING 18 REDI PULSE PICKUP COILS 18 RECOMMENDED SPARE AND REPLACEMENT PARTS 19 STORAGE OF THE TURBINE FLOWMETER 20 APPENDIX HAZARD ANALYSIS eere 21 APPENDIX B DRAWINGS ete e tto ete oen 24 HP 228 WARRANTY PERIOD LISTED BY PRODUCT
4. VZ 3N 2 91 11 VZ 3N 2 91 11 3 2 91 11 XOUddV 457 4587 4 q 65 13 304 FTAVLINS LAN 1 1 2 1 241 9 4 3 5 089 SSYTO L AIG FTAVLINS LAN LAN 2 1 MOLONGNOD 13 1 YOLONGNOD 50150141 gt MOLOnQNOO ALS 13 1 1 3STnd 2 YOLONGNOD 5 13 8 8 u3wod 1ndNI 033 SNOILO3NNOO Nid 9 MO0193NNOO HLM crappie 39714 34 4M 5 061 OL 2 69 35vHols 2 88 01 2 02 3univH3dW3l ONILVYSdO x 2 viui YILIN NO ZHAG OL ZHZ 39 AONANDIYA t _ 3AVM 384 005 90A01 0 TE K LNGHN O 301237109 48 4 z10 040 i SOWO 1LL S3dAL 104100 35104 8 4 ON WnWiXVA WHOL 20 06 8 104 S LMNdLNO 351 VZ 4N vz 9V 3NIVLNOO 413S VC 3N 2 91 11 102 3dAL 38 GaLvINGOW 1531435 5 061 OL 2 29 5 58 OL JOZ 3univiH3dW3l ONILVYSdO 01 006 550 9 YILIN NO 24401 OL ZHZ 39NVM AON300333 3AVM 20 01 0 a Sf _____ 501037709 N3dO HL 2 8 9 g B SOWO 1LL S
5. X3Sv vZ2d 981 8424 9Gv vcOd 009 00 5 24 SNOISNAWIG 102 1 1919 102 dnxold 009 008 91 9194 7109 00 9072 8124 ON YOOLS 1394 se E i ON 32015 OL lMVd 102 210 0 0 ANN vz 91 1 Eo 740 040 NZ 344264 OL 4S2 dunivaddWil 9NILV 3dO 2 01 11 9017 AHN3HITIIN 1 SFONVLONGNI 1109 ZOLF SWHO 02 39NVISIS3H 102 24 IEZ 7103 ON T300W S TISGL SOLEIN SJLVN YOLOANNOD SW Nid vZ 8 G I X3H aif LAN 2 13 6 alivaa S S um Z 3 8v2 NOLOnONOO 2 X3H iu 414155 divaa S S un Z YOLONANOD Z 14 5 42 571 204 SNOISN3AIG 102 sev Ha 08 210 010 296 S 61 9801 19d 296 G69Z 9011 19d Si 26 51 9 296 26 6 296 65 52 4 971 6104 z9e 29 10 904 13d NOISN3NId NOISNAWIG SNOISNAWIG 102 p 52 zou 8 0 H19N31 TIVH3AO H 291 894 OZF 081 3ONVISIS3H 24 9276 HLONST TIVH3AO 981 89 ZOZF 021 3ONVISIS3H 20 8224 951
6. 43 NAIC ll 55970 9 10 54 NOISIAIO 55 10 5 01 SNOGYVZVH Q3sn 38 9 SAYFI 101919 ONY 3OIO3NNOO LdN O3ddlhO3 5102 40014 LSNA Woo ONY Il 55 72 9 I 55 10 100 a 54 1 SSVTO 5 01 SDOQNVZVH 303 318VIInS AINO 30193NNOO SW IHL G3ddlfi03 5102 15 3002 TVORILOTTS NVIOVNYO NI TIVISNI SSNOLLYTIVISN YSI 303 Z HOL vd4N ISNV 2002 919373 CWNOLLVN SNOILVOO1 ShOQNVZVH 304 SN3ISAS 3375 ATIVOISNIMLN 0 NOU VTIVISNI 9 21 45 VSVENV 3ONVQMOOOV 38 CINOHS NOLLV TIVISNIE 2 SNOLLV TIVISNI 52 1 INAWNdINOS 34 5 976 5 SALON SNOGSVZVE NON 3ivi No dEosao 32 SO 111 9010 0005 YaLSNMOTS SNISYNL 53 cma 1 709 34 5 ATWOISNRALNI YOLIINNOD 59 1601 901 51 D a O W3s NEYI NOILV2O1 5 2 5109 6 NO SHBLSNVUVd ATILN3 RELATED DRAWI NGS E 42 14 YVINONV 30 L ANON 1831 HOIHM 304 3SOduMd NOUNQE OY H3OMO JO NO
7. E LO 0 G X Q LZ 9 9 107 SIVWO3O 39vld NO G3NYMLSY 38 LSNW AB ONILISM ASSY LX3N SNOTI04 SY Ni d3ziHOHLnV Sv Ld30X3 35044014 A oma 3000 390 325 jg THS do azis ANY 903 0351 NO 1330008438 543 10 OL SdONVATIOL Ni 3uv 635019510 38 OL LON 23H S108LN02 sq N4 949065 N SNOISNAWIG 031410395 3SIMN3HLO 5531 43330 30 ALYSdOYd VILN3GIJNOO SNOISSJA 40044 9 415 5431 JANA Kd Habl 9N3 ONIMVYG NOLVTIVISNI a ssa 26 7 2 Qn 606 7 ON ALIO HL38VZIT3 Tz NU ONI 51081 2 33440H NE 1910 0065 Sd3OV 1449 Ov no9 OSVONVIS NOISHSA 300 395 LNO3J 305 MJA LNO3J3 SQN3 dAl AN CO l dAL 7 SE NL LI 3 gt gt Y JLS 1 NOISMJA 0
8. 30 cu 804 80 SOW ATRL SHON GST USK 38 01 102 09014 34 5 ATIVOISNISLNI ava ONIMVUG NOLYTIYLSNI Eri 934307 60622 ON HL38VZIT3 ON 5710344059 33440 03 03 338330 35 3498 ATWOISNIMINI SV 03 334 SI 9rx3 SAYNLIVANNYN NI Q3TIISNI 38 150014 SHJIBVB 7 SNHO pAgz 40 h SNSLINVUYd T3NNVHO JIONIS 03811332 VSO v ISN SNOUVTIVISNI N3ISAS SV NH3ENI p YILIMOTY 215 jg 98 09 5 919099 90A TONWMOTION IHL 5345095 IVHL 93134339 VSO V 10395 SNOWY TIVISNI 904 II 55 72 43 90040 IE SSVTO 0 0 g NOISAIQ I 95 10 5 201 5 2 Q3sn 38 NVI 50831 WLOld V 03441003 109 15 WO9 109 55 72 9 40089 SSV 0 540049 AIO 55 72 SNOLLV2O1 SnoouvzvH 3395 ATWOISN 03 TISVLINS AING 303934403 SA SHE 9399703 5102 e 1 14 3000 313 NVIQVNYO 3ONYQUOOOV NI TIVISNE SNOUVTIVISNI YSI 303 7 OL Wd4N ISNY 3000 21819313 JHL SNOILV2O1 5 2 304 SN3ISAS 34 5 ATIVOISNIMINI 40
9. 2 1 amp HO2X11 2 Liquid amp Gas 450 to 450 F PC13 74EX Hi Drag with amp 3 Leads 450 to 450 F PC13 74S Cryogenic 1 amp Larger 450 to 450 F RF 4 WECO s All Sizes Requiring RF 325 to 325 F ISM 001 Intrinsic Mag Hi Drag 1 amp Up amp Mini Flow Use 97 to 207 F PC24 123G WECO HO2X2 amp HO3X3 Gas 450 to 450 F ISM 003 Intrinsic Mag Low Drag 34 amp Smaller Use 97 to 207 F ISM 006 Intrinsic Reluctance For All Teflon Use 35 to 120 F PC28 38G Hi Temp Hi Drag For WECO 2 11 2 amp HO2X1 450 to 850 F PC3 33G Reluctance Teflon Hi Output 35 to 120 F 015 40 to 302 F M L3 8X1 52 Lo Co Coil 50 to 250 F REDI PULSE PICKUP COILS RPM Redi Pulse Mag Coil 40 to 185 F RPR Redi Pulse RF Coil 40 to 185 F DMXx Redi Pulse Intrinsically Safe Mag Coil 40 to 185 F DRXxxx Redi Pulse Intrinsically Safe RF Coil 40 to 185 F NOTE For the complete part number of the Redi Pulse Pickup Coils or Intrinsically Safe Redi Pulse Pickup Coils Consult Factory HP 228 Turbine Flowmeter Manual Page 18 RECOMMENDED SPARE AND REPLACEMENT PARTS To assure maximum operating efficiency and minimum down time it is recommended that the following parts be stocked at all times Part Nomenclature Oty Pickup Coil Pickup Coil 1 Bearings Ball Bearing type only 1 set Rotor Assembly Rotor with sleeve bearing 1 Complete Calibrated Assembled
10. T XOLT OOBL 3ONviSIS3H 9 SNOILVOMdd 40 ALINVA V qUM ouv nu 5939 SSL3NOHOVL SH3L3AWO14 NO 102 UV INdOd LSOW YNO 102 2 8 vz g G 3dAl 3ONVLO TT3H ONVONVIS V SNOLLVOLIO3dS 109 1501 90155 S3LvW 335 6104 9 4 SON 13009 814026 7100 0085 SYM ON OMG 1601 90165 SILYW MOLO3NNOO 39 1 SW Nid Z 30133NNO3 SW Nid Z 15193 5 102 SNOTSTASH bos 06 2 on oma Z O 1 8 2 e 9 8 4 1 WU en 06 try n OR WW ed 8 diy toros Or LON 20 AAN 0 34084 SNOILLVOIJIOddS WOO 606 2 ON ALIO HL38VZIT3 gm dsTnd IO38 OVI 10 V STOMINOO N3440H m mm E 3810 1038 OV TaN 031104 ak vid gems 35104 10334 i 12 210 010 8 1 I i E L E ZL0 0L0 i 8 1 8 VZ 3N 2 91 11 0 1 D mW
11. TIVISNI YOLOINNOD YSVISNY 22 NI 38 MOHS NOUVTIVISNI 2 SNOWVTIVISNI 8 303 1 59 1601 901658 SALON 1 35 31879 976 3 51 LNSNdINOS 3JVS 310N NOLVSOT SROGSVZVH NON NOILWSOT 5 008 24 lt 17570 00155 10 10 de SHIVSOIESNN 526056 SVM M d n E eun SIN3NGSInO3U 128956 U3NOISPTO 539 SUON SW 470304 3807 S i NO SU3 3NYuVd ALULNJ doas 9010 0056 IM 1010008 NSONRIMY ACA H 13401 301 me 2120 11 11 9010 006 ZEEE B SSV10 S3IM3S XXX ONSI 109 33vS ATIVOISNIBLNII NOILVTIVISNI eee 60647 ALDO HL38VZT13 STOMLNOD 83430 31040038 3475 ATIVOISNIMLNI SV 03 330 SI 973 SNOUOPIMISNI SSYNLOVINNYN 3ONVOMOOOY NI Q3TIVISNI 38 1509 5 SNHO 006 ONY 2PABZ 40 SM313AVMVd JHL 9 TINNYHO STONIS 0 52 v ISN SNOLVTIVISNI N3JSAS 303 5 919091 09 5 919099 19 28 SQA lt XDUJA 1 9 07704 5313575 IVHL 9334439 YSI V 193135 SNOLIVTIVISNI ALLNI H04 ln 55 2
12. 20 00 10 00 20 00 0 5 5 o sj o O 02 gt 02 LL 2 o 2 m a a lt 2 1 55 1 1 4 6 00 11 2 2 __ 650 325 6 50 2 1 2 S 3 _ 31 2 4 5 0 Bro 5002 REPLACES 500 0158 DESCRIPTION e u 5002 CAGE CODE 33321 ZONE REV 2 900 1500 8 1500 10 900 e e E 22 2575 1 2 800 600 3031 824 3 4 900 1500 3 156 824 4 1500 S ems C pu ES 4375 12 20 133 7467 138 7 15 88 11 875 8 093 10 062 1775 1688 12625 8843 12067 17 75 127 1200 7575 4085 2488 2 1 2 900 180 1233 ns 725 3468 1610 11 2 800 180 1343 1225 4216 1050 800 1315 1225 zw 7 0 1250 1469 1550 1685 4 875 7 50 750 eio Sje e Q 0 z lt LL 2 LL LL 2 0 e 1 z z 5002 DESCRIPTION 55 100 2 625 7 4 2500 1 2 2500 11 2 2800 8 359 21 2 067 12082 12 250
13. 7187 1580 9257 64 ES Kr sos 25 12 00 1 00 12 00 12 00 350 3 75 00 725 5125 1220 75 775 9 00 10 75 1275 19 00 1450 14 69 2175 17 25 450 800 925 1050 12 00 14 00 16 50 350 3 50 4 50 540 550 540 7 00 NOMINAL DIMENSIONS FOR FLOWMETERS WITH 2500 FLANGES C 0 7 00 900 900 10 00 11 00 1200 14 00 2200 1100 26 50 2125 11 2 21 2 3 1 2 se E REPLACES 500 0158 6 6 OF SHEET 5002 Y S L 8 a so 106 4 266610 MAREM SEEN TM D NECEM RU 1009 008 E N aid Sasson WuNSCLNGD 5 0385 0209 006 9611 0204 d 2209 008 104 71029 df old 20066 End 009 005 X38 204 728088 6108 00 9811 8204 60626 ON Hlava 0344417 1109 00 9801 0104 SJOSCNOS MO TS 233101 13345 2009 006 9011 6104 1109 4005 9v1 860d 8009 0098 9881 8294 971 8029 Suc 5
14. HFC does not warrant the product to meet the requirements of any safety code of any state municipality or other jurisdiction and Purchaser assumes all risk and liability whatsoever resulting from the use thereof whether used singlely or in combination with other machines or apparatus This warranty shall not apply to any HFC product or parts thereof which have been repaired outside HFC s factory or altered in any way or have been subject to misuse negligence or accident or have not been operated in accordance with HFC s printed instructions or have been operated under conditions more severe than or otherwise exceeding those set forth in the specifications FOR NON WARRANTY REPAIRS OR CALIBRATIONS consult HOFFER FLOW CONTROLS for current repair calibration charges Have the following information available BEFORE contacting HOFFER FLOW CONTROLS 1 P O number to cover the COST of the repair calibration 2 Model and serial number of the product and 3 Repair instructions and or specific problems relative to the product HFC 9907 A TABLE OF CONTENTS WARRANTY PERIOD LISTED BY PRODUCT 1 INTRODUCTION Sasan rrr err re rep ende Po t e ede 2 PRINCIPLE OF TURBINE FLOWMETER 2 MATERIAL SELECTION AND CONSTRUCTION 2 BEARING SBEEBGLEION 3 FLOWMETER PICKUP
15. a particular application A low mass rotor design allows for rapid dynamic response which permits the turbine flowmeter to be used in pulsating flow applications The deflector cones eliminate downstream thrust on the rotor and allows for hydrodynamic positioning of the rotor between deflector cones The hydrodynamic positioning of the low mass rotor provides wider rangeability and longer bearing life than that of conventional turbine flowmeters Integral flow straightening tubes minimize the effects of upstream flow turbulence The housing is made of nonmagnetic materials The rotor is made of magnetic or magnetized material Bearings are chosen based on service fluid cost and accuracy considerations Standard materials of construction are 316 stainless steel for the flowmeter body and rotor supports The rotor materials of construction include 17 4 pH SS NICKEL 200 and 430 SS Many special materials are available for meter construction some of which include teflon 4130 steel monel other grades of stainless steel hastalloy titanium tantalum and numerous other exotic materials HP 228 Turbine Flowmeter Manual Page 2 Selection of the materials of construction is usually dictated by requirements of media compatibility availability and cost considerations The materials supplied in your flowmeter have been selected for the best service of your application BEARING SELECTION Numerous bearing types are available including ball be
16. amp calibrated meter 1 Internals Kit internals consisting of rotor shaft cones bearings and hangers NOTE Recommended spare parts lists should not be construed as an indication of possible failure but reflect material available only from the manufacturer or his authorized representative Quantity of recommended spares is based upon a single unit at any given location and provisioning may be adjusted accordingly in the event that multiple units comprise a system Contact the HFC Customer Service Department with the equipment model and serial number for the part numbers and current pricing for recommend spare parts HP 228 Turbine Flowmeter Manual Page 19 STORAGE OF THE TURBINE FLOWMETER The internal components of the turbine flowmeter are precision components which must be handled with care and therefore only qualified personnel should service the flowmeter Industrial Applications When a turbine meter is removed from the process fluid to be placed in storage the following preventative actions should be taken in order to prevent bearing failure For corrosive or non lubricating fluids excluding cryogenic and gas meters 1 Clean all components with alcohol and allow to dry completely 2 Coat all parts with machine oil For lubricating fluids 1 Coat all parts with machine oil No abrasive material such as emery paper or crocus cloth should be used to clean any of the internal parts of the flowmeter
17. 10 MCP3A 11 5 10 PC13 110G 1800 10 PC13 70G 1800 10 PC13 74G 1800 10 PC13 74S 1850 15 PC24 45G 1350 10 24 455 1850 15 28 136 120 20 28 146 180 20 If either resistance measurement fails replace the pickup coil Firmly seat the new coil in the flowmeter BEARING REPLACEMENT The type of bearings installed in the flowmeter have been selected to operate in the type of service being metered It is recommended that the bearings be checked periodically for wear The type of fluid being measured as well as temperature and cleanliness of the service have a direct relationship on the life expectancy of the bearings Therefore it is best to contact the engineering department or the HFC Customer Service department for the proper preventive maintenance interval It is recommended that the bearings be replaced if any signs of wear are apparent An unexplained shift in the output accuracy could be a sign of worn bearings For specific coils not listed contact the HFC Customer Service Department for the approximate resistance readings HP 228 Turbine Flowmeter Manual Page 11 CAUTION If bearings are allowed to operate without replacement at the recommended interval the accuracy of the device may drift from the original calibration and if left long enough severe damage to the rotor and or internals may occur Ball bearings can be changed in the field Sleeve type bearings can not be chan
18. 8694 SON 130011 00 062 SSnvo 202 HS L NOLLODONI LNOHLIM Z 6 Z HLON3 TIVH3AO 251 0981 3ONVISIS3H 20 557 7294 OIE 0 SShNO ocii vcod HL L LAOHLIM 26 6 Z TWH3AO 9811 9 ZOLF OGEL 39NVISIS3H 20 967 7294 3934 ANY SH3L3AMOT4 OMOIW SHiL3AMO T4 TIVWS NO IHL 535 104100 TwNOIS 3idWv SVH 102 SIHL OIL3NOVIN SNIONGSY ShHL Q3SN3S 9NI38 39143A JHL NOd JONAMIANI SILANOVW 30 LNNOWY 835531 V OL 318 530 SI 3H3HMANV 035535 38 01 LVHL 535 34 TIVWS NO 0350 7102 SVC OLL3NDVIA 39NVIOTTT3H QNVONVIS V 156 42 ANY 96 024 SON TION OLF 006 Ssnvo OLF LnOHLIM 2 42 1 HLON31 TIVH3A0 01 008 3ONVLSIS3N 00 7401073 V IZIS AINO 0380 SNOISNANIG 1 95 JHL Ld3OX3 2 24 JHL SY ATWOIBLOI3 IWYS JHL 109 3ONvIOfTI3H 15311905 390L 19d 13400 904 108 2028 004 550 9 202 HS NOLLONANI J VZ 3N 2 91 11 LnOHLW Zc SZ HLON31 972 9199 VZ 3N tZ 91 9514 0581 3ONVLSIS3H 00 290 XOLT 088 SS VO HEL 9801 6154 26 62 2 HLON3I TIVM3AO 9011 6134
19. nominal linear flow of 250 500 750 1000 1500 2000 and 2500 Hz The amplitude of the output signal is a function of flowrate The voltage at the minimum linear flow is greater than 30 millivolts peak to peak when measured into a 10 000 ohm load On larger size flowmeters the output level may exceed several volts peak to peak The DC output resistance of the magnetic pickup coil is generally less than 2 000 ohms Detailed impedance characteristics are available on request MODULATED CARRIER PICKUP MCP TYPICAL RANGE 100 1 The Hoffer MCP pickup is an active coil which eliminates pickup drag and requires a Modulated Carrier Signal Conditioner be mounted on or near 10 feet or less the flowmeter The MCP works on a principle where the motion of the rotor modulates a high frequency signal The conditioner demodulates filters amplifies and shapes the resulting signal prior to transmitting it as a high level signal Use of the MCP pickup allows for wider flow ranges than can be achieved with low drag magnetic pickups The cost compares with that of a preamplifier for a magnetic pickup This pickup type is used extensively when a wide flow range is required or with flowmeters that are being used with a universal viscosity calibration curve UVC Typically MCP coils can obtain flowmeter ranges of up to 100 1 QUADRATURE OUTPUT OPTION When a Hoffer Turbine Flowmeter is equipped with two pickup coils properly positioned on the flowm
20. or drawing s Identify all model numbers exactly before making any connections A number of options and accessories may be added to the main instrument which are not shown on the basic user wiring Consult the appropriate option or accessory user manual before connecting it to the system In many cases a system wiring drawing is available and may be requested from Hoffer Flow Controls This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hoffer Flow Controls Inc HOFFER FLOW CONTROLS policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering The information contained in this document is subject to change without notice THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE HFC SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OR LOSS OF USE OF THE GOODS WITHOUT LIMITING THE GENERALITY OF THE FOREGOING THIS EXCLUSION FROM LIABILITY EMBRACES THE PURCHASER S EXPENSES FOR DOWNTIME OR FOR MAKING UP DOWNTIME DAMAGES FOR WHICH THE PURCHASER MAY BE LIABLE TO OTHER PERSONS DAMAGES TO PROPERTY AND INJURY TO OR DEATH OF AN
21. 0 8816 824 40 395 LNO3J 395 1 FILS 300 3915 LNO3J ss I L 23727 13 a S68 ud SIG 403 34 MIN 100126 MOHS OL O3SlA3H 7510 005 SYM ON 9 d Y 355 3 5 04 SNOISN3WIG 304 ddy 142530 Axel 3NOZ T diaz LOOS XOH G y Y 2 04 13315 ANON qvos 83323 2 5 008 5 MG 3000 39 9 375 510 006 S30V1d32l y967 gv v 5218 915 VE ANNZI Z L 24 6 5 9 057 88 0 lt 60 5 8 OOCL 5 8 vV 4NDnZL p L g0 9079 c c SLL 9297 529 V 4NDZI Z l Z Z Geez SLY gore StL SLO LL VE ANNZL 8 L 787 86 2 11 9 9096 87 7817 4 081 8 8 S L 1561 18 868 1826 2901 881 lt 907 4 021 91 8 8 9 5 1 ose 789 9816 7269 00711 0071 4 01 9 11 8 2 5291 009 120 2189 00 LL 0071 8 12 8 11 8
22. 005 39 2 Q3 93H2 8910 0098 5301434 69 Sv 00 00 00 00 4 oA q 8 V NMO 14 804 SNOISN3AIQ ddy alyd 530 JNOZ SNOISIA 3d 600 XOH ON OMG HOX 5002 3332 mu ww REPLACES 500 0158 DESCRIPTION 625 4 25 75 5 4 m 1 1 2 400 600 875 4 2 400 600 75 16 1 375 20 Lem EI 8 e 1 2 400 600 2 488 2 1 2 400 600 8 000 4 218 3 068 5 400 600 8 687 4 906 3 548 5 1 2 400 600 8687 sos 5548 5 1 2 400 600 475 10 812 7081 822 40 600 7 062 3 281 1 049 1 400 600 1 33 7 187 3 406 1 38 1 1 4 400 600 11 45 725 3 468 1 610 622 7 875 4 093 6 812 2 375 15 88 11 875 725 158 1250 17 00 16 75 10 50 1416 1528 9468 14 00 11 50 6625 1343 1225 750 5875 1287 1200 Kr 275 4875 350 1200 1100 7 00 3 50 5 00 600 6 00 7 00 7 00 14 00 14 00 800 3 00 6 125 450 1235
23. 3dAL 38104 GHL 0 8 4 0 01 ON WHOL 8 33804 LNANI MOLO3NNOO 3dAL SW S 1501 901 SN SILYW 38104 9NIQIAONd 3dAL SW Nid 6 Q3NIVLNO2 413S 102 2IL3NOVIA 3ONVIOQTT3N TIBVINVA 51035 aay CENGILVOUIPHdS SNOTSTASU c06 X29d on oma Z G 9 1 8
24. 671 SLT 8 6 Lev 2189 00 LL 0071 v 4NR9L v 8 11 5401 zi sA 4 v3 23 2 g 3715 959 13 04 SNOISNAJNAIC ddy aivd 053 3107 SNOISIA3H 3 A34 2 5 005 2 6 WNOILOVY4 LN31 HOIHM 304 3SOdund YAHLO Nau varidav 6 301 133HS ANON gl 00 X N30MO JO NOILJIdWOO NO j C 0 0 X H LZ 9 10 SwWD30 35vld 2 NO 38 15 No 0251 ASSV 1X3N NI SV Ld3OX3 504 3003 MIN ANY NO SH3HLO OL 035019510 38 OL LON OSH STOMLNOS SINN MOU 40 SNOISH3A 40044 9 015 544 WMO 47 m ko dOHS HOVN NIMVSO NOLVTIVISNI sib 60622 ON ALIO HL38VZIT3 ONI STOMLNOO M3440H 4 7 m 15 3015 3015 1043 31415 NOIS43A 400 d X MIA 395 LNOMS MIA 3016 J
25. 73 HO3X3 2 662 2 601 HP 228 Turbine Flowmeter Manual Page 17 HO SERIES CALIBRATED SPARE OR REPLACEMENT INTERNAL KITS MODEL Internals Flowmeter Size Minimum Flow Range Maximum Flow Range Bearing Type CB Ceramic Hybrid self lubricating ball bearings T Carbide TFE Teflon C Carbon Composite SPARE OR REPLACEMENT PICKUP COILS PART NO DESCRIPTION OF SERVICE TEMPERATURE RATING MC3PAE RF Coil MNPT amp 3 Leads 325 to 325 F MC3PA RF Coil All HO Series 325 to 325 F PC13 110G Cryogenic HO1 amp Up 450 to 450 F PC13 74G WECO HO 2X2 amp HO 3X3 Liquid amp Navy 450 to 450 F PC13 74S HO Series HO1 amp Up amp Mini Flows 450 to 450 F PC24 45G HO1 4 thru HO3 4 Cryogenic Trident SY100 450 to 450 F PC24 45S HO1 4 thru HO3 4 amp HO1 amp Larger Gas 450 to 450 F PC24 45EX HO1 4 thru 4 Larger Gas with 450 to 450 F amp 3 Leads PC28 13G High Temp High Drag 450 to 850 F PC3 24G Reluctance Center Mag for All Teflon 35 to 120 F PC24 92G Hydrogen Vacuum Jacket 450 to 450 F PC28 14G High Temp Low Drag 450 to 850 F PC3 24EX Reluctance Teflon Series with MNPT amp 3 Leads 35 to 120 F MC2PAHT High Temp RF with 3 Leads 450 to 450 F MC2PA High Temp 2 Pin RF 150 to 330 F PC13 108G Cryogenic 1 amp Larger 450 to 450 F PC24 113G WECO
26. After the flowmeter is properly cleaned and coated with oil the end fittings should be covered with end caps so that no foreign material can enter the meter while in storage Cryogenic Application In cryogenic applications if the turbine flowmeter is removed from service and placed in storage the meter must first be disassembled in a clean area The area should be free from dust oil moisture organic inorganic particles and any other pollutants which could contaminate the flowmeter components Follow the procedures for bearing replacement as previously discussed Reassemble the flowmeter after installing new bearings and replacing any worn parts Next the flowmeter should be immersed and thoroughly washed in an approved solvent Take care to remove any oils or other contaminants present At the conclusion of the solvent wash allow the flowmeter to air dry The cleaned flowmeter should be placed in a plastic bag and electrically sealed for storage The flowmeter is then tagged as Cleaned for Cryogenic Service Sanitary Applications When a sanitary turbine flowmeter is removed from service and placed in storage the meter must first be cleaned by the recommended 3 A cleaning specifications The flowmeter should then be allowed to thoroughly dry before storing Once the meter is thoroughly dry cap the end fittings so that no particles can enter the meter Place the meter in a sealed plastic bag for storage When placing the s
27. Flowmeter Manual Page INTRODUCTION We are proud that you have selected a Hoffer Turbine Flowmeter the finest precision turbine flow transducer on the market The Hoffer Turbine Flowmeter has been designed constructed and selected for your application with care by a qualified staff of professional engineers technicians and sales personnel We welcome you to our growing family of satisfied customers If you are not completely satisfied with either our product or service we encourage you to let us know We want to improve The following information is provided for the proper installation and maintenance of your instrument PRINCIPLE OF TURBINE FLOWMETER OPERATION The flowmeter is a volumetric measuring turbine type The flowing fluid engages the vaned rotor causing it to rotate at an angular velocity proportional to the fluid flow rate The angular velocity of the rotor results in the generation of an electrical signal AC sine wave type in the pickup The summation of the pulsing electrical signal is related directly to total flow The frequency of the signal relates directly to flow rate The vaned rotor is the only moving part of the flowmeter MATERIAL SELECTION AND CONSTRUCTION Hoffer Turbine Flowmeters are available in a broad range of standard and special materials The wide range of construction options allows for the selection of the optimum combination of useful range corrosion resistance and operating life for
28. LS NOISHJA 40044 J pu 03009 ANY Q3AOW3S 46 433 ISAIA 8910 005 SYM ON 100146 918066 so 9009 SVM 26 2 NiB3lvN 1031438 OL CHO z6 9 Z 330HOH 33430H NO 1nd 531009 n 06 Zi l 79130 3HON 304 ANNOY 17118 ANY 2 1 2 531008 SNOISIA3H ALON 008 ON OMG y 13365 5005 850 005 532 143 V Se St V L 4 291 2 926 t t L 55 555 eee 034 th te NO SONS Lid HLIM SNOJISNSWIO YN IANON SNOISIA3H 139 3NOZ 006 XOH j 008 SQN3 G39NV13 SNOISM3A JOOMd X 01 M3L3AMOT4 2 1 NOLLVTIVLSNI 606 2 ON 410 HL38VZIT3 STOMLNOD 3 3440H 8810 0084 S30V 1d34
29. ONE ROTOR SHAFT PICKUP COIL RETAINING RING BALL BEARINGS O 228 Turbine Flowmeter Manual Page 15 G4 Wing Nut Meter with Tungsten Composite Sleeve Bearing TC PARTS LIST HOUSING LOCK NUT HANGER ASSY CONE ROTOR SHAFT JOURNAL THRUST WASHER RETAINING RING o O Q 228 Turbine Flowmeter Manual Page 16 WEAR LIMITS FOR WING NUT WECO METERS The Wing Nut style liquid and gas turbine flow meters are often used in abrasive fluids being pumped at high velocity Under these conditions the meter body is subjected to accelerated wear and it should be inspected periodically Hoffer specification allows an increased inside bore diameter up to 0 020 Refer to the table below for maximum allowable bore diameters Note the limitation on wear is not a pressure related limit but is an assembly and meter performance related limit If bore diameter increases by 0 020 there is no significant effect on pressure rating However internal hangers may start spinning causing further damage to the meter and meter K factor may shift significantly causing a measuring error 9 Refer to Hoffer Technical Note TN 55 for a full discussion on Wing Nut meter wear limits Maximum Allowable Bore Dimension Meter size A max B max HO2X1 0 921 0 897 2 11 2 1 392 1 334 HO2X2 1 846 1 7
30. Recommended cable is Beldon 8422 or equal SIGNAL CONDITIONERS CONVERTERS Consideration should be given to properly interface the turbine flowmeter output to the host electronics If the system is installed in an electrically noisy area or if the distance from the turbine flowmeter to the host electronics exceeds 500 feet a signal conditioner may be necessary Hoffer Signal Conditioners for the turbine flowmeter provide amplification filtering and wave shaping of the low level flowmeter pickup signal and generate a high level pulse output signal suitable for transmission to a remote host system through a noisy environment Several output forms i e TTL CMOS open collector etc are available to suit various interface requirements The conditioned pulse output signal may be transmitted several thousand feet Note The standard 1 year warranty applies to all coils signal conditioners converters and Hoffer electronics HP 228 Turbine Flowmeter Manual Page 10 PREVENTIVE MAINTENANCE AND TROUBLE SHOOTING PICKUP COIL TESTING Testing the MAG and MCP RF coils consists of measuring the resistance with an ohmmeter 1 Measure the resistance between pin A pin B The resistance should be approximately as listed in the following table 2 The resistance from any pin to the case should be greater than 1 megohm Table A DC Resistance of some common coils COIL DC RESISTANCE Ohms MC2PAHT 15 0 10 MCP 2 5
31. TREAM PLENUM CLUSTER PLENUM FLOW 72 y 2103D S 2103D 5D k 10D A typical application requiring a flow straightener would be custody transfer Flanged flow straightening sections are available gt to 12 line sizes with mating fittings in pressure ratings from 150 to 2500 ratings Beveled type end fittings for welding are also available MS INSTALLATION KITS Installation kits for the MS end fittings consist of two lengths of stainless steel tubing cut to a length appropriate for the upstream and downstream straight pipe run and flared at one end Mating sleeves and nuts are included The kits may be conveniently butt welded into the user s piping Alternately the kits may be provided with NPT or flanged connections to facilitate installation of smaller flowmeters into larger existing lines This adapted form of the installation kit is recommended for use with the Hoffer Mini Flowmeters since only MS end fittings are offered in the Mini Flow Series Flow straightening sections may be provided within the installation kit MS installation kits are available in turbine sizes from 14 to 2 HP 228 Turbine Flowmeter Manual Page 9 SIGNAL CABLES Two conductor shielded cabling recommended for the Hoffer Turbine Flowmeter is generally available in most industrial settings However Hoffer stocks cabling for user convenience Cabling is available cut to length with dressed end connections
32. TURBINE FLOWMETER USER S MANUAL November 2009 H HOFFER FLOW CONTROLS INC PERFECTING MEASUREMENT 107 Kitty Hawk Lane Box 2145 Elizabeth City NC 27906 800 628 4584 gt 252 331 1997 FAX 252 331 2886 www hofferflow com E mail info hofferflow com NOTICE Hoffer Flow Controls Inc makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose This manual has been provided as an aid in installing connecting calibrating operating and servicing this unit Every precaution for accuracy has been taken in the preparation of this manual however Hoffer Flow Controls Inc neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the products in accordance with information contained in the manual HOFFER FLOW CONTROLS policy is to provide a user manual for each item supplied Therefore all applicable user manuals should be examined before attempting to install or otherwise connect a number of related subsystems During installation care must be taken to select the correct interconnecting wiring drawing The choice of an incorrect connection drawing may result in damage to the system and or one of the components Please review the complete model number of each item to be connected and locate the appropriate manual s and
33. Y PERSONS HFC NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OR USE OF HFC S GOODS AND THERE ARE NO ORAL AGREEMENTS OR WARRANTIES COLLATERAL TO OR AFFECTING THE AGREEMENT PURCHASER S SOLE AND EXCLUSIVE REMEDY IS THE REPAIR AND OR REPLACEMENT OF NONCONFORMING GOODS AS PROVIDED IN THE PRECEDING PARAGRAPHS HFC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES HFC 9907 A Limited Warranty POLICY FOR Hoffer Flow Controls HOFFER FLOW CONTROLS INC HFC warrants HFC s Precision Series and API Series of turbine flowmeters to be free from defects in material and workmanship under normal use and service only if such goods have been properly selected for the service intended properly installed and properly operated and maintained as described in the turbine flowmeter manual Reference turbine flowmeter manual for specific details This warranty shall extend for a period of five 5 years from the date of shipment to the original purchaser and covers the Precision Series and API Series of flowmeters supplied with their standard hybrid ceramic ball bearings only All other HFC products carry a one 1 year warranty This warranty is extended only to the original purchaser Purchaser Purchaser s sole and exclusive remedy is the repair and or replacement of nonconforming goods as provided in the following paragraphs In the
34. anitary meter back into service remove the meter from the sealed bag and remove the protective caps Clean the flowmeter as required by 3 A cleaning specifications before placing meter in service HP 228 Turbine Flowmeter Manual Page 20 APPENDIX A Hazard Analysis for Flow Meters and Installation Kits Hoffer flow meters and installation kits are manufactured using PED compliant materials if required and are designed to operate under the specified applications and the temperature and pressure conditions Hazard Identification The following hazards associated with operating Hoffer flow meters has been identified Hazard Classification For Hazard Classification For Type of Hazard Applications With Applications With Dangerous Fluids Non Dangerous Fluids Group 1 Group 2 Pipe Meter Bursting Dangerous Risk Dangerous Risk Flange Leaking Dangerous Risk Residual Risk Skalds Risk Residual Risk Residual Risk Risk Evaluation Exceeding MAWP The meters are design to withstand specified maximum allowable working pressure MAWP and temperature The MAWP is listed on the meter drawing supplied with the meter Under no circumstances shall fluid pressure exceed the MAWP If the MAWP is exceeded there is a dangerous risk of the meter or pipe bursting In particularly a meter could explode in pieces and flying metal debris could cause death or injury to the operator In addition there could be a burst of fluid contained in the
35. arings and sleeve type construction in tungsten carbide Teflon and carbon graphite composite When selecting among several chemically compatible bearings the ball bearing design offers the highest accuracy and generally will have the widest usable range It remains the bearing of choice in many fluids and is required for gas flowmeters Tungsten carbide bearings offer the most durable bearing material for service fluids in which it is compatible These represent the standard bearing type for many industrial service environments Teflon and carbon graphite composite bearings offer properties which are nearly chemically inert to many corrosive fluids and are utilized primarily for this reason In turbine flowmeters the flowing fluid provides the bearing lubrication in most applications It may be observed that fluids which offer a high natural lubricity tend to prolong the life of the flowmeter Many bearing types offer advantages in that they provide self lubrications as well as providing a wear resistant surface Among these bearing materials are carbon graphite composites teflon and some ball bearing designs Bearing life has been found to be approximately inversely proportional to the square of the bearing speed To prolong the life of the flowmeter it is therefore advantageous to operate the flowmeter at rates less than the maximum flowrate For example if the flowmeter is operated at 1 3 of the maximum flowrate it will wear at appr
36. cal signal output from the flowmeter due consideration must be given to its isolation from ambient electrical interference such as nearby motors transformers and solenoids GENERAL PIPING CONSIDERATION As stated in the Principle of Flowmeter Operation the fluid moving through the flowmeter engages the vaned rotor Swirl present in the fluid ahead of the meter can change the effective angle of engagement and therefore cause a deviation from the supplied calibration performed under controlled flow conditions Turbine meters are constructed with flow straighteners to minimize the affects of fluid swirl and non uniform velocity profiles is adequate for most installations However it is good practice to maintain a minimum straight run of pipe approximately 10 pipe diameters ahead of the inlet and 5 pipe diameters following the outlet Proper installation of the flowmeter minimizes the negative effects of fluid swirl HP 228 Turbine Flowmeter Manual Page 6 A typical flowmeter installation is shown below BYPASS RUN Bypass Valve Strainer Flow Straighener Turbine Flowmeter L L gt Blocking Valve Blocking Valve Figure 1 Typical Flowmeter Installation Blocking and Bypass valves should be installed if it is necessary to do preventive maintenance on the flowmeter without shutting down the flow system The Bypass valve can be opened before the Blocking valves allo
37. eter housing it is possible to sense flow direction flowrate and total flow as well as add subtract options The pickup coils generate two output signals with a quadrature 90 phase difference With suitable electronic phase discriminating circuitry it is possible to provide two separate output signals one of which is related to flow in the forward direction only with the second relating to flow in the reverse direction only Hoffer Turbine Flowmeters unlike many other turbines are built physically symmetrical which inherently makes bi directional flow measurement possible with only the addition of a second pickup coil keeping cost considerably less than other manufacturers Other considerations which may dictate equipping two pickup coils on a single flowmeter arise from advantages in the ease of achieving parallel signal processing or increased reliability HP 228 Turbine Flowmeter Manual Page 4 HAZARDOUS AND WEATHERPROOF ENVIRONMENTAL COIL ENCLOSURES The explosion proof requirements of UL Class I Group C and D Class II and NEMA 4X are routinely provided for by enclosing the pickup coil in a suitable housing Signal conditioners and converters can readily be mounted on the flowmeter Hoffer Turbine Flowmeters are inherently safer since they require no through holes eliminating the possibility of a leak FLOWMETER CALIBRATIONS The standard calibration provided with most Hoffer Turbine Flowmeters consists of a 10 point wa
38. event Purchaser believes the Hoffer product is defective the product must be returned to HFC transportation prepaid by Purchaser within the appropriate warranty period relative to the product If HFC s inspection determines that the workmanship or materials are defective and the required maintenance has been performed and has been properly installed and operated the product will be either repaired or replaced at HFC s sole determination free of additional charge and the goods will be returned transportation paid by HFC using a transportation method selected by HFC Prior to returning the product to HFC Purchaser must obtain a Returned Material Authorization RMA Number from HFC s Customer Service Department within 30 days after discovery of a purported breach of warranty but not later than the warranty period otherwise such claims shall be deemed waived See the Return Requests inquiries Section of this manual If HFC s inspection reveals the Hoffer product to be free of defects in material and workmanship or such inspection reveals the goods were improperly used improperly installed and or improperly selected for service intended HFC will notify the purchaser in writing and will deliver the goods back to Purchaser upon receipt of Purchaser s written instructions and agreement to pay the cost of transportation If Purchaser does not respond within thirty 30 days after notice from HFC the goods will be disposed of in HFC s discretion
39. ge 7 STRAINERS FILTERS Turbine flowmeters are designed for use in a clean fluid service However the service fluid may carry some particulate material which would need to be removed before reaching the flowmeter Under these conditions a strainer filter may be required to reduce the potential hazard of fouling or damage that may be caused by foreign matter Strainer filters are recommended to be used with the Hoffer Mini Flow Series meters METER SIZE MESH SIZE PARTICLE SIZE Maximum MF Series 100 0055 V4 to V2 100 0055 to 14 70 008 1 to 3 40 015 4 to 12 24 028 If a strainer filter is required in the system it should be located upstream of the flowmeter taking care that the proper minimum distance is kept between the strainer and flowmeter HP 228 Turbine Flowmeter Manual Page 8 FLOW STRAIGHTENERS and INSTALLATION KITS FLOW STRAIGHTENING Proper application of the Hoffer Turbine Flowmeter requires a suitable piping section to achieve optimum accuracy While an inlet straight pipe run of 10 pipe diameters and an outlet straight pipe run of 5 pipe diameters provide the necessary flow conditioning in general some applications require an upstream flow straightener This consists of a section of piping that contains a suitably dimensioned and positioned thin walled tube cluster to eliminate fluid swirl Figure 2 Typical Flow Straightener UPSTREAM TUBE DOWNS
40. ged in the field If no down time can be tolerated a spare rotor with sleeve bearing or complete set of spare internals should be stocked CN Y E can Shaft M Hanger Flow Straightener Lock Nut Figure 3 Exploded View Flowmeter Internals BEARING REPLACEMENT FOR THREADED SHAFTS 10 HP 228 Remove the meter to a clean stable work surface Using two Spin Tite wrenches remove one lock nut from the shaft Place a small head stove bolt in a vise Guide the bolt head gently through one of the hanger flow straightener tubes and in a smooth firm stroke remove the hanger from the housing With the shaft placed vertically downward carefully remove a cone two bearings and the rotor Remove the other hanger in a similar manner Examine the shaft and cones for scoring If scoring is present replacement is necessary Obtain new bearings of the same type from stock or the manufacturer Discard old bearings Reassemble one hanger in the housing with the shaft a cone and lock nut Place the bearings into the rotor Guide the bearings and rotor onto the shaft making sure to reassemble with the IN side of rotor facing the IN side of the housing Place the remaining cone on the shaft Gently rattle the flowmeter to seat the internals on the shaft Turbine Flowmeter Manual Page 12 11 12 13 14 When properly seated gently push the hanger onto the shaft Be sure to properly align the
41. hanger on the shaft The hangers seat against a shoulder machined into the housing Gently tighten the self locking lock nuts until they make contact with the spring clip hanger Two Finger tight on a Spin Tite is more than adequate Holding the meter horizontally gently blow into it DO NOT use compressed air The rotor should turn freely With a magnetic coil the rotor should gradually slow down and then quiver to a stop with one of its blades aligning with the pickup coil With a MCP RF coil the rotor should coast smoothly to a stop Clean the flowmeter assembly with ISOPROPYL ALCOHOL or an alternately approved cleaning solution The flowmeter is ready for service When installing the flowmeter be sure to orientate the in and out correctly BEARING REPLACEMENT FOR NON THREADED SHAFTS 10 11 12 13 HP 228 Remove meter to a clean stable work surface Insert the hanger tool 3P Tool HFC Stock 300 8113 into the hanger flow straightener assembly Turn the 3P Tool until the hanger tubes are aligned with the scallops in the meter housing Holding the meter in the vertical direction slowly remove the tool The hanger shaft cones rotor and bearings should come out with the tool Should any of the components hang up inside the meter housing care should be taken in their removal Remove the remaining hanger in a similar manner Examine the shaft and cones for scoring If scoring is present re
42. meter Fluids from Group 1 can cause fire explosion death or injury Fluids from Group 2 can cause flooding damage to the nearby equipment and short circuits in the electrical installations Flange Leaking Hoffer flow meters should be installed according to the Hoffer Flow user manual Proper fittings and washer should be used when applicable Flanges should be tightened to the specified torque In case of a leak from a flange or coupling fluids from Group 1 can cause fire explosion death or injury Fluids from Group 2 can cause flooding damage to the nearby equipment and short circuits in the electrical installations HP 228 Turbine Flowmeter Manual Page 21 Scalds Risk There is a risk of skin scald in the applications where fluid operating temperatures are above 120 deg F Vibration Meters installed in vibrating pipes may develop weld defects and material cracks Corrosion Meters shall be used only with corrosion compatible fluids Meter Internals Breakage Meter internal parts may break when maximum allowable flow rate is exceeded Definition of Terms HP 228 Burst Pressure Maximum pressure a pressure vessel can contain with out rupturing This is a calculated pressure using the Barlow s formula P 2ST D Where P Burst pressure S Minimum material tensile strength at less than 40 deg C T Minimum wall thickness D Outside diameter of vessel Design Pressure Maximum pressure above which
43. oximately 1 10 the rate The bearings in your flowmeter have been selected by our staff based on what we have found to be the best choice for your application FLOWMETER PICKUP SELECTION The flowmeter pickup senses the motion of the rotor and converts it to a pulsing electrical signal which is of a discrete digital nature Hoffer Flow Controls offers several pickup types suited for different applications The advantages of each are listed HIGH OUTPUT MAGNETIC PICKUP TYPICAL RANGE 10 1 The standard pickup for turbine flowmeters larger than 1 inch produces a high level sinusoidal output To produce this the pickup generates a relatively high magnetic field The signal may be transmitted up to 200 feet without amplification A flow range of 10 1 or better is common with this pickup type HP 228 Turbine Flowmeter Manual Page 3 LOW DRAG MAGNETIC PICKUP TYPICAL RANGE 25 1 Low drag magnetic pickups may be used to obtain a flowmeter range of 25 1 or better They offer a significant reduction in drag effects with lower output levels and may require pre amplification prior to transmission Low drag magnetic pickups are used extensively in meter sizes below 1 inch MAGNETIC PICKUP OUTPUT SIGNAL CHARACTERISTICS The output signal voltage of the magnetic coil is approximately sinusoidal The frequency range of the pulsing signal varies from meter size to meter size However standard ranges allow for maximum output frequencies at the
44. placement is necessary Obtain new bearings of the same type from stock or the manufacturer Discard old bearings Insert the shaft with cone into the hanger and assemble the remaining internal parts onto the shaft Place the hanger assembly with the internals on the 3P Tool Hold the housing in the vertical position and align the hanger assembly with the scallops in the meter housing Gently slide the hanger and rotor assembly into the housing with the IN on the rotor oriented in the same direction as the IN on the housing When the hanger assembly is fully inserted into the meter housing twist the 3P Tool to secure the hanger in the locked position Align the second hanger with the scallops on the housing and with the shaft Turbine Flowmeter Manual Page 13 Caution It is very important that the shaft is properly inserted into the second hanger Failure to do so will result in damage to the rotor shaft and or bearings 14 With the hanger properly positioned in the housing secure it in place by inserting the 3P Tool and twisting it to the locked position 15 Using the 3P Tool align the tubes of the two hangers 16 Holding the meter horizontally gently blow into it DO NOT use compressed air The rotor should turn freely With a magnetic coil the rotor should gradually slow down and then quiver to a stop with one of its blades aligning with the pickup coil With a MCP RF coil the rotor sho
45. ter calibration over the linear flow range of the meter A number of optional flowmeter calibrations may also be requested A 10 point water calibration over the extended range of the meter may be requested at no additional charge Additional calibration points may be requested within the linear range or in the extended range at additional cost Fluids other than water are used to simulate viscosity conditions from 2 to 300 centistokes Where it is necessary to document flowmeter performance for viscous service the flowmeter calibration simulates the viscosity as well as the flow rate anticipated in actual service Universal Viscosity Calibration UVC curves may be documented for each Hoffer Turbine Flowmeter where this information is required to achieve maximum flowmeter accuracy in medium to high viscosity service In general any flowmeter size may be supplied with a UVC However since smaller meter sizes under one inch display the largest sensitivity of calibration factor to viscosity it is this size range which is the most likely to be considered for a UVC The UVC may be utilized to determine the K Factor either graphically or in the case of an intelligent instrument algorithmically for a measured set of flowing conditions Hoffer offers a standard viscosity calibration which consists of ten repeated points for each viscosity required A typical UVC curve requires three sets of ten points plotted as a continuous curve In addi
46. the pressure vessel may sustain structural damage or fatigue This is a calculated pressure using the Barlow s formula P 2ST D When P Maximum design pressure S Minimum material yield strength at less than 40 deg C T Minimum wall thickness D Outside diameter of the vessel Turbine Flowmeter Manual Page 22 HP 228 Notes 1 Design pressure can be de rated for higher temperatures based on material yield strength at specified temperature 2 Factors such as mechanical loads neither linear nor axial have been accounted for in these calculations Working Pressure Pressure of the media contained in the system during normal operating conditions Maximum Allowable Working Pressure The working pressure is recommended by Hoffer Flow Controls Inc The design pressure divided by a safety factor or a calculated pressure using Barrow s formula P 2ST D When P Maximum allowable working pressure S Minimum material stress at max temperature according too ASME B31 3 TABLE A 1 T Minimum wall thickness D Outside diameter of pressure vessel Turbine Flowmeter Manual Page 23 APPENDIX B DRAWINGS HP 228 Turbine Flowmeter Manual Page 24 Related Drawings For Intrinsically Safe Pickup Coils HP 228 Turbine Flowmeter Manual Page 25 SAG 15010008 DOS C 4 55770 531435 411 Sy qu 38
47. tion Hoffer offers a ten point single viscosity up to 300 centistokes calibration at a nominal additional fee HP 228 Turbine Flowmeter Manual Page 5 GENERAL INSTALLATION PROCEDURE Upon receipt of the turbine flowmeter a visual inspection should be performed checking for any indications of damage which may have occurred during shipment Inspect all packing material carefully to prevent the loss of meter parts or auxiliary components which may have been packed with the shipment Refer to the packing list invoice for a detailed list of items included in the shipment The meter housing is marked by a flow direction arrow and the inlet is marked IN and the outlet is marked OUT The meter must be installed in the piping in the correct orientation to ensure the most accurate and reliable operation Care should be taken in the proper selection of the mating fittings Size type of material and pressure rating should be the same as the flowmeter supplied The correct gaskets and bolts should be utilized The flowmeter may be installed horizontally or vertically for liquid service without affecting the meter calibration however in gas applications the meter must be installed horizontally for proper operation When it is expected that flow will be intermittent the meter should not be mounted at a low point in the piping system Solids which settle or congeal in the meter may affect meter performance In order to achieve optimum electri
48. uld coast smoothly to a stop 17 Clean the flowmeter assembly with ISOPROPYL ALCOHOL or an alternately approved cleaning solution The flowmeter is ready for service When installing the flowmeter be sure to orientate the in and out correctly Component Exploded view Ball Bearing Hard Carbon Composite Sleeve Bearing Tungsten Carbide Sleeve Bearing Number of blades blade angle and Ke length of blades vary with application y and meter size A Lock Nut Cone B Flow Straightener Shaft C Cone Bushing amp Rotor Press Fit at Factory D Shaft J T C Washers E Bearings K Journal F Rotor HP 228 Turbine Flowmeter Manual Page 14 BEARING REPLACEMENT FOR WING NUT WECO METERS For 1 and 11 2 meters HO2x1 and HO2x1 1 2 follow bearing replacement procedure for threaded shafts on page 12 For 2 and 3 meters HO2x2 and HO3x3 a spiral retaining ring on the downstream OUT side of the meter must be removed first before removal of internals 1 Using a long pic tool locate the end of the spiral ring and pry it toward the center of the housing Using a tool with a hooked end pull the retainer out of the housing 2 Follow bearing replacement procedure for threaded shafts on page 12 3 After internals have been installed and checked install new retainer ring Wing Nut Meter with Ball Bearings BB PARTS LIST HOUSING LOCK NUT HANGER ASSY C
49. wing the flow to continue while removing the turbine flowmeter for service IMPORTANT flow lines should be purged prior to installing the meter To prevent possible damage to the meter install the meter ONLY in flow lines that are clean and free of debris Upon initial start up of the system a spool piece should be installed in place of the flowmeter so that purging of the system can be performed to remove all particle debris which could cause damage to the meter internals In applications where meter flushing is required after meter service care should be taken as to not over speed the meter as severe meter damage may occur CAUTION Avoid over spinning the meter Over spinning the meter may cause damage to the meter internals and lead to needless meter failure To maintain an accurate flow measurement it is necessary to maintain a downstream pressure sufficient to prevent flashing cavitation Flashing of the liquid will result in an indication of flow significantly higher than the actual flow In order to eliminate this condition adequate downstream pressure must be maintained The minimum required downstream pressure may be calculated using the following equation MinimumPressure 2 x PressureDrop 1 25 x VaporPressure Downstream pressure may be maintained by a downstream valve that provides the necessary downstream pressure to prevent flashing cavitation in the metering run HP 228 Turbine Flowmeter Manual Pa

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