User`s Manual
Contents
1. DyNAsoNIcs Flo tech PRESO racing Page 26 Form No RV 1000 R5 11 10 racine Division of Racine Federated Inc Limited Warranty and Disclaimer Racine division of Racine Federated Inc warrants to the end purchaser for a period of one year from the date of shipment from the factory that all flow meters electronic accessories and other products manufactured by it are free from defects in materials and workmanship This warranty does not cover products that have been damaged due to misapplication abuse lack of maintenance or improper installation Racine s obligation under this warranty is limited to the repair or replacement of a defective product at no charge to the end purchaser if the product is inspected by Racine and found to be defective Repair or replacement is at Racine s discretion Areturned goods authorization number must be obtained from Racine before any product may be returned for warranty repair or replacement The product must be thoroughly cleaned and any process chemicals removed before it will be accepted for return The purchaser must determine the applicability of the product for its desired use and assumes all risk in connection therewith Racine assumes no responsibility or liability for any omissions or errors in connection with the use of its products Racine will under no circumstances be liable for any incidental consequential contingent or special damages or l2. Velocity Profile When using an RNG RNS series insertion flow meter it is necessary to consider the effects of the velocity profile across the pipe or duct to optimize accuracy In large pipes the flow moves slowly at the pipe walls but is at maximum velocity in the center of the pipe creating a continuously variable veloc ity across the pipe see Figure J This velocity variation is called the velocity profile of the pipe and can be measured and plotted by using the insertion flow meter to measure velocities at various noted positions across the pipe As the maximum velocity is in the center of the pipe it follows that if the flow meter is positioned in the center it will not measure average flow The rule of thumb position is 25 of the way into the pipe but the optimum position can only be obtained by measuring the profile and working out the correct position from that 1 4 WY EN 2 n FIGURE J TYPICAL VELOCITY PROFILE Page 19 Straight Run Piping Considerations The sensor should be installed with 20 diame ters or more of straight unobstructed full area pipe upstream of the flow meter installation and 10 diameters or more downstream This condition provides the fully developed sym metrical flow profile that is necessary to obtain accurate and repeatable results The first ob struction upstream and downstream should be a full area elbow If the minimum straight run
3. 20 Wafer Style Sensor Installation t edite aor tcs me iet E Pb pet diftat 20 Insertion Style Sensor Installation a 20 Fixed Insertion Flow Meter Installation nnne 21 Hot Tap Insertion Flow Meter Installation n 21 Flow Profiling cette cio eG 21 Reducing the Pipe 21 B CERTIFICATION DOCUMENTS tain 26 CE ATEX Declaration of 26 4 Form No RV 1000 R5 11 10 INTRODUCTION RNx RWx series vortex shedding flow me ter family is designed to provide accurate and repeatable gas or steam flow measurement These meters employ a patented ultrasonic technique to measure a form of turbulence cre ated in the flow stream This turbulence known as the Von Karman Vortex Street is related to the flow through the pipe RNx RWXx series flow meter is a digital signal processing device with HART compat ible communications The primary output of the meter is a 2 wire 4 20 milliampere mA current which is proportional to the flow With HART Communications users have the capability to remotely configure the meter Typi cal operations like re scaling the analog output can be performed in comfort using a standard PC or HART 275 375
4. E FALINE oors Manual RWG RWS Wafer Style Flow Meter RNG RNS Insertion Style Flow Meter RV 1000 R5 Tel 262 639 6770 Toll Free 888 572 2463 TABLE OF CONTENTS HEADING PAGE INTRODUC HON ce 5 SPEGIEIGATIONS PE eet eem d ee e EAE EAT e e vend 5 INSTALLATION teet EE Iu HEURE ee pelo PO cat or 6 Installation LOGAat ON oie oer tere HEMOS Deed dodi rte Eye Qa vto ko getan 6 Mechanieal Installation Dau te xe Es ein eek X RE shaq 6 Meter InstallatiOnis apu aad edat ete ee A E GAS 7 Electrical InstallaliODi oet eere e a DER Es 12 NoOtiflCallOris 2 6 tan sm Pee eee 12 MVIPIDIO reti eot etas s tudo Oc c 13 OPERATIQN ii oH E SERIEM DENIED HII LOU EE 13 Powerermin alSus 13 Current Output 5 5p tertius teet ter ee o ga agde qe t e E EL 13 Gommunication 2 v oa co aed S 14 TROUBLESHOOTING 18 Preliminary Chee KS saa usss nuansa 18 T G z ua e EE EDU EU mua E Le EE EG EHE EE PUER 27 WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT WEEE DIRECTIVE 27 LIST OF FIGURES FIGURE TITLE PAGE A Internal Alignment RWG and
5. 2 Inch 150 Lb Flange 3 4 14 Connector E Standard ANSI 2 Inch 150 Lb Flange B 4 50 Maximum Spool Piece Retracted 4 50 Minimum Determined By Stem Length 4 50 Maximum FIGURE K HOT TAP CONFIGURATION FIGURE L HOT TAP CONFIGURATION RNS INSERTION STEAM METERS RNG INSERTION GAS METERS DANGER Caution should be used when inserting or retracting at pressures exceeding 60 PSIG 4 14 BARg Form 1000 5 11 10 Page 23 TABLE 6 FLOW PROFILE RAW DATA FLOW FLOW RATE AT MEASUREMENT POINT FPS 11213141516 7 8 AVERAGE FPS MEDIUM FLOW 5 58 5 91 6 12 621 624 618 606 570 DISTANCE in 3 9 15 21 27 33 39 45 TABLE 7 FLOW PROFILE NORMALIZED DATA 0 FLOW FLOW RATE AT MEASUREMENT POINT 112 MEM 4 5 6 7 n FIGURE M RNS INSERTION STEAM METER INSTALLED IN A REDUCED PIPE Page 24 Form No RV 1000 R5 11 10 FIGURE N RNG INSERTION GAS METER INSTALLED IN REDUCED PIPE Pressure Drop Data for Wafer Style Gas Meters Flow Range in SCFM for Air at 60 F Flow Range in Nm hr for Air at 15 6 C Pressure 25 50 75 100 150 200 250 Drop at 50 0 1 7 3 5 5 2 6 9 10 3 13 8 17 2 of Maximum Flow primu 9 vo s 847 105 1 o 199 10 ss 14 soa ve sor sor 24910 540 22 seo 31 1220 1560 se
6. 2 HART OUTPUT 3 LOCAL DISPLAY 1 Manufacturer 2 Descriptor 3 Message 4 Date 5 Device ID 6 Write Protect 1 Process Density 2 Process Viscosity 3 Standard Density 4 PROPERTY SOURCE 5 User Specified Density Value 6 User Specified Viscosity Value 7 Property Table Name 8 Property Table Version Number 1 Protection On Off 2 Enable Disable Protection 3 Forgot Password 1 Universal Cmd Revision 2 Specific Cmd Revision 4 Select PV Unit 2 User Specified Frequency 1 Model Number 2 Part Number 3 Meter Style 3 Strouhal 4 Sensor Option 4 WDRS 5 Display Option 5 MTE 6 Model Deviation 6 MPE 7 Modification Date 7 FCE 8 Strut Size 8 LXP 9 Calibration Date 9 FCF 10 DCF 11 CSP 12 CFV 13 CSC 1 MPPS 2 Rynolds MASS FLOW VOLUME FLOW STANDARD FLOW PROCESS TEMPERATURE PROCESS PRESSURE Vortex Frequnecy Integrated RTD External RTD User Specified Temperature Steam Table Analog Input Absolute Analog Input Gauge User Specified Pressure Steam Table PULSE MODE 1 Scaled PV 2 Fixed Frequency 3 Vortex Frequency 4 Off Frequency URV Polling Address Number of Preambles Burst Mode Burst Command Process Variable Analog Output Totalizer Process Temperature Process Pressure Alternating PV amp Totalizer Property Table User Specified Properties Steam Table FIGURE G HART COMMUNICATOR MENU TREE V4 0 Form No RV 1000 R5 11 10 Page 17 TROUBLESHOOTING Racine Vortex
7. 2080 73 2020 so 2020 026 ea er sr 346 zors o 2650 os 126 saco 153 3449 872510 EDR Pressure drop data for air at 14 696 PSI at 60 F 0 Bar at 15 6 C Form No RV 1000 R5 11 10 Page 25 APPENDIX B CERTIFICATION DOCUMENTS RACINE FEDERATED INC 8635 Washington Avenue Racine WI 53406 3738 Phone 262 639 6770 Fax 262 639 2267 Website www racinefed com Declaration of Conformity Manufacturer s Name Racine Federated Inc Manufacturer s Address 8635 Washington Avenue Racine WI 53406 USA Declares that the Products RWG05 RWG10 RWG15 RWG20 RWG30 RWG40 RWS05 RWS10 RWS15 RWS20 RWS30 RWS40 RNG RNL Formerly J Tec Associates Models JW7nnn JW7nnnS JI7000 JI8000 Conform to the following Standards Safety Directive 94 9 EC Emissions EN 55022 Immunity IEC 61000 4 2 2001 IEC 61000 4 3 2002 IEC 61000 4 4 1995 IEC 61000 4 5 2001 IEC 61000 4 6 2001 The products listed above are in conformity with the requirements of the EMC Directive 89 336 EEC Reference Documents SIRA Assessment Report No R52A18641A EMC Test Report No 3042281 011 April 30 2003 by Intertek Testing Services EMC Test Report May 13 2003 conducted at Intertek Testing Services Test Report Order No 200251303 February 19 2003 by NEMKO Supplementary Information Date March 29 2010 Signature WILE L d Its y Divisions of Federated Inc
8. flow meters are designed to ensure long term accuracy and reliability The stainless steel body and self cleaning strut are specifically designed to withstand the rigors of industrial environments As a result periodic adjustment or re calibration is not required Technical assistance is available directly from Racine Vortex providing complete re calibration and repair service for the flow meter at a rea sonable cost Preliminary Checks Note Do NOT open enclosure in hazardous areas with power applied 1 1 the flow meter cable installed correctly 2 Is the proper power supplied to the proper terminals 3 Is the flow meter wired for 2 wire 4 20 mA operation Page 18 Form No RV 1000 R5 11 10 APPENDIX A ADDITIONAL INSTALLATION REQUIREMENTS Introduction Installing a flow meter is something which requires careful consideration It cannot just be placed in a line somewhere and be expected to fulfill its purpose adequately The geometry and condition of the pipe runs in the area of the installation must be considered to ensure the best and most accurate operation of the flow meter This appendix provides suggestions for optimum installations Most flow meter manufacturers define installa tion conditions in terms of upstream and down stream straight pipe lengths from the point of installation Unfortunately this is not the only requirement and one needs to consider other peripheral conditions such as proximity and s
9. the current loop The value of the resistor can range from 250 to 350 and be rated at 1 4 watt or larger The placement of the resistor is illustrated in the wir ing diagrams The resistor will add to the total loop resistance and will raise the value of the required power supply voltage With a resistor in place Racine Vortex recommends a maxi mum of 24 VDC supply This power supply volt age will accommodate 164 Q of loop resistance in addition to a 250 Q communication resistor For high loop resistance consult Figure D for the required supply voltage Page 14 There are two ways to communicate to the meter via the HART interface the Racine HART Interface or a HART Communicator The Racine HART Interface is a PC based software program that runs on Windows 98 Windows NT Windows ME Windows XP Windows Vista and Windows 7 operating systems This program will provide access to all the set tings that can be configured by the user It also provides tools for diagnostics and trimming the analog output The Racine HART Interface requires a HART modem to convert the modulated HART signal to the RS 232 communication standard See the Racine HART Interface User s Manual for more information about the Racine HART Inter face The HART 275 375 Communicator is a hand held device that can communicate with any HART device that is registered with the HART Communication Foundation The HART 275 375 Communi
10. Communicator The wafer style meters are for pipe diameters four inches or less and are installed between 150 Ib flanges or are manufactured with pipe extensions and 150 Ib 300 Ib optional flanges welded on the ends These meters are cali brated in volumetric flow units e g Actual Cubic Feet per Minute ACFM Flow rates for the wafer style meters are listed in Tables 2 and 3 The insertion style meters are retractable me ters that are installed through the wall of a pipe or duct larger than four inches These meters can be installed through a 2 full port valve which permits the unit to be retracted or insert ed manually without shutting down the system A Flow rates for the insertion style meters are shown in Tables 4 and 5 DANGER Caution should be used when inserting or retracting at pres sures exceeding 60 PSIG 4 14 BARg TABLE 1 SPECIFICATIONS sem em s mounting Mounts between two 150 Ib flanges Requirements Options for 2 NPT 2 150 Flange 2 300 Flange DN50 Flange Operating 5 to 250 PSIG 5 to 250 PSIG 0 34 to 17 BARg 5 to 150 PSIG 0 34 to 10 3 BARg 0 34 to 17 BARg 20 F to 360 F 28 C to 182 C Operating Temperature Ambient Temperature Accuracy Form No RV 1000 R5 11 10 20 F to 366 F 28 C to 186 C 20 F to 300 F 28 C to 149 C 20 F to 155 F 28 C to 68 C 1 of Reading over the upp
11. D RESISTANCE W Maximum Load resistance without 250 resistor Maximum Load resistance with 250 resistor installed for HART Communications FIGURE D MAXIMUM LOAD RESISTANCE The external pressure sensor is limited to a 5 foot cable length Various wiring configurations are shown in Fig ures E amp F Form No RV 1000 R5 11 10 OPERATION Power Terminals The 4 20 mA terminals and are used for the flow meter s power supply Current Output The current output is accessed through the 4 20 mA and terminal loop and provides an output current proportional to the flow mea sured by the meter This output is a standard 4 20 mA output where 4 corresponds to no flow and 20 mA indicates 100 percent full scale flow The current output will not be accu rate if the load resistance on the current output terminal is too high The maximum load resis tance that the meter can drive versus the power supply voltage is shown in Figure D R 46V 690 Load Resistance V Supply Voltage Where Page 13 Communication The Racine vortex meter has the capability of Communication However it is not re quired that it be used In most cases the meter is configured at the factory per the customer s specifications The user need only install the meter and connect power If HART Communication is desired it is re quired that a resistor be placed in
12. EAM Diameter A Diameter B Diameter D Dimension C Dimension C 3 97 101 1 75 45 RWG20 5 92 150 RWS20 9 79 249 3 15 80 5 22 133 2 75 70 RWG30 6 62 168 RWS30 10 49 267 4 55 116 6 87 174 3 75 95 RWG40 7 52 191 RWS40 11 39 289 6 19 157 All dimensions are in inches mm FIGURE 2 2 3 AND 4 METERS Page 8 Form No RV 1000 R5 11 10 3 4 14 Plug tt 4 all 9 88 10 00 250 254 RWGO5F15 5 60 142 RWSO5F15 9 47 241 9 88 10 00 250 254 RWG10F15 5 78 147 RWS10F15 9 65 245 9 88 10 00 250 254 RWG15F15 6 34 161 RWS15F15 10 21 259 9 88 10 00 250 254 RWG20F15 5 92 150 RWS20F15 9 79 249 11 88 12 00 301 304 RWG30F15 6 62 168 RWS30F15 10 49 267 11 88 12 00 301 304 RWG40F15 7 52 191 RWS40F15 11 39 289 dimensions inches mm FIGURE B3 OUTLINE DIMENSIONS FOR FLANGED SERIES METERS 150 Ib RF ANSI Flange 300 Ib RF ANSI Flange optional Form No RV 1000 R5 11 10 Page 9 h 450 gt 3 4 14 NPT Pipe Plug Ase deine C Maximum Retracted Cable Entry Accommodates 19 25 Dia Cable 3 4 14 NPT Connector 13 0 Maximum at Maximum Insertion Ne Fitting Torque Requirements 50 60 ft Ibs 6 10 Maximum Retracted B Maximum Insertion Mea
13. Microsoft Corp Printed in USA UL is a registered trademark of Underwriters Laboratories Form No RV 1000 R5 11 10
14. PRESSURE SENSOR Page 16 Form No RV 1000 R5 11 10 DEVICE SETUP 1 PROCESS PV VARIABLES AO LRV URV Edit Mode On Off Enable Disable Edit Mode 2 DIAGNOSTICS AND SERVICE 3 BASIC SETUP 4 DETAILED SETUP 5 REVIEW 1 VIEW FIELD DEVICE VARIABLES 2 TOTALIZER CONTROL 1 TEST STATUS 2 LOOP TEST 3 REVISION NUMBERS 4 Flow Profiling Method 5 VOLTAGE LEVELS 6 PRODUCT INFORMATION 7 DEBUG INFORMATION 1 Tag 2 PV TYPE amp UNIT 3 RANGE VALUE 4 STANDARD CONDITIONS 5 PV Damping 6 Pipe ID 1 TEMPERATURE SETUP 2 PRESSURE SETUP 3 CONFIGURE OUTPUTS 4 DEVICE INFO 5 FLUID PROPERTIES 6 Alarm Selection 7 Low Flow Cutoff 8 PASSWORD PROTECTION 1 Process Variable 2 Analog Output 3 Percent of Range 4 Vortex Frequency 5 Process Temperature 6 Precess Pressure 1 Total 2 Start Stop 3 Reset 1 View Status 2 Self Test 3 PV Unit 1 Fixed Current 2 1 Voltage 2 APP Voltage 3 ADC Voltage 4 UPP Voltage 5 UDC Voltage 6 VCC Voltage 7 Loop Voltage 1 PV Type 2 SELECT PV TYPE 3 PV Unit 4 SELECT PV UNIT Select from a dynamic list URV of units 2 LRV 3 Min Span 4 USL 5 LSL 1 Base Temperature 2 Base Pressure 1 TEMPERATURE SOURCE 2 Temperature Unit 3 User Specified Temperatur Value 1 PRESSURE SOURCE 2 Pressure Unit 3 User Specified Pressure Value 4 Pressure LRV 5 Pressure URV 6 Atmospheric Pressure 1 PULSE OUTPUT
15. RWS Wafer Flow 7 B1 Outline Dimensions for 72 1 and 172 RWG RWS Wafer Flow 8 B2 Outline Dimensions for 2 3 4 RWG RWS Wafer Flow 8 Outline Dimensions for RWG RWS Flanged Flow Meters 9 B4 Outline Dimensions for RNS Insertion Flow Meters 10 B5 Outline Dimensions for RNG Insertion Flow 11 C Flow Meter Terminal Functions 12 D Load Resistance Chart u cie e RR ER ARR RR VER E TR TERRE GEAR REN lah Pn ER Pec Re e 13 E Sensor Wiring Diagram Without Pressure 15 F Sensor Wiring Diagram With Pressure 16 G HART Communicator Menu rennen 17 J Typical Velocity Profile e etr Dr ee e ER EORR ERO ERR sasa 19 H1 Turbulence Caused by Bend or Obstruction 22 H2 Swirl Caused by Two Bends in Different Planes and in Close Proximity to One Another 22 Upstream Downstream Sonic Noise Caused by Slightly Opened Control Valves 22 K Hot Tap Configuration for RNS Insertion Flow 23 L Hot Tap C
16. cator also provides access to all settings that can be configured by the user The 275 provides a menu driven interface See Figure G to view the menu map for the HART 275 Communicator Note HART 275 Communicator requires Racine vortex drivers for proper communications See communicator owner s manual for driver listing Form No RV 1000 R5 11 10 WIRING DIAGRAMS The wiring diagrams illustrated below are for installations where no 4 20 mA pressure sensor is used FLOW POWER s SUPPLY INDICATOR 15 24 VDC CONTROL SYSTEM FLOW INDICATOR POWER SUPPLY INDICATOR 24 VDC CONTROL SYSTEM B FLOW INDICATOR ont ok POWER SUPPLY INDICATOR 24 VDC CONTROL SYSTEM FIGURE E WITHOUT 4 20 mA OUTPUT PRESSURE TRANSDUCER Form No RV 1000 R5 11 10 Page 15 If an analog pressure sensor is used it must be wired as shown below to avoid inadvertent current paths Asingle supply can be used to power the flow meter and the external pressure sensor The 4 20 mA flow indication must be taken from the source side of the loop FLOW INDICATOR POWER uu SUPPLY 24 VDC PRESSURE SENSOR V 68 Note Pressure sensor s cable length is limited to 5 feet 1 5 m FIGURE F WITH 4 20 mA OUTPUT
17. co 0000000 Chassis S Ground EMC NOTIFICATION The ultrasonic sensing technology employs a 160 KHz carrier frequency and the flow meter is sensitive to radiated and conducted noise at or near this frequency Precautions must be taken not to subject the flow meter or associated ca bling to sources of RF noise that could interfere with the ultrasonic carrier Any such interference can cause degradation in flow meter perfor mance Cable Shield Ground TERMINAL DESIGNATOR FUNCTION 4 20mA LOOP POWER 15 to 24 VDC 4 20mA LOOP POWER NC not used EP RTN PRESSURE SENSOR POWER SUPPLY RETURN EP PWR PRESSURE SENSOR POWER EP OUT POWER OUT TO PRESSURE SENSOR EP IN PRESSURE SENSOR INPUT FIGURE C FLOW METER TERMINAL FUNCTIONS Page 12 Form No RV 1000 R5 11 10 WIRING A two conductor foil shielded cable made of 14 to 22 AWG solid or stranded wire is required to make connections to the flow meter e g Con solidated Wire P N 5573 CL The shield is required to be attached to one of the shield ground points as illustrated in Figure C The other end of the shield should not be grounded The flow meter requires a minimum of 15 VDC for proper operation The maximum load resistance for the power depends on the supply voltage see Figure D Note The When used with HART Communication the minimum input voltage is 21 VDC EBR ESE ERAT MAXIMUM LOA
18. e pipe is shown Measurements are taken at a low medium and high average flow In Table 7 the flow rate at each measurement point has been converted to a percentage of the average flow It can be seen that point number three 15 from the near side of the pipe reads a consistent 102 percent of the average flow The meter should be placed in this position and the output should be divided by 1 02 to obtain the correct reading Flow profiling will generally improve measurement quality in insertion meter installations Reducing the Pipe Diameter To decrease the variation of flow profile the pip ing can be narrowed at the flow meter as shown in Figures M amp N This will smooth the flow and increase the effectiveness of flow profiling Nearly any angle can be used on the down stream side of the meter to restore the original pipe diameter However if the angle of piping is seven degrees or less nearly all the pressure drop caused by the narrow pipe section will be recovered Page 21 99779879 9 FIGURE H1 TURBULENCE CAUSED BY BEND OR OBSTRUCTION FIGURE H2 SWIRL CAUSED BY TWO BENDS IN DIFFERENT PLANES AND IN CLOSE PROXIMITY TO ONE ANOTHER FIGURE H3 UPSTREAM DOWNSTREAM SONIC NOISE CAUSED BY SLIGHTLY OPENED CONTROL VALVES Page 22 Form No RV 1000 R5 11 10 Determined By Stem Length ju Cable Entry 2 i zu Maximum Accommodates Standard ANSI 2 _ 19 25 Dia Cable
19. er 90 of the flow range The meter requires minimum of 21 VDC for HART Communications with 250 resistor no load Page 5 TABLE 2 FLOW RANGE FOR RWG SERIES Gas Air Application Pipe Size Flow mlhr inch mm Minimum Maximum 0 4 0 7 16 27 1 5 38 2 0 3 4 100 170 340 3 680 RWG40 4 102 20 0 34 0 600 1019 TABLE 4 VELOCITY RANGE FOR RNG SERIES Gas Air Application Pipe Size Velocity fps mps inch mm Minimum Maximum 2 0 6 140 43 12 305 Flow measured in feet second 14 69 PSIA 60 F meter second 1 013 BAR 16 TABLE 3 FLOW RANGE FOR RWS SERIES Pipe Size inch mm Minimum Maximum 320 544 TABLE 5 VELOCITY RANGE FOR RNS SERIES Steam Application see Notes Pipe Size Velocity fps mps inch mm Minimum Maximum 6 RWG20 200 RWG30 10 0 17 0 400 Notes for Table 5 When pressure is 0 to 25 PSIG the range is 5 to 125 FPS 1 to 38 MPS When pressure is 25 to 60 PSIG the range is 5 to 158 FPS 1 to 48 MPS When pressure is greater than 60 PSIG the range is 5 to 175 FPS 1 to 53 MPS e Slightly cracked valves operating with large pressure drops The flow meter is shipped completely assem e Small pipe leaks in high pressure sys bled tested and ready to install in its permanent tems location See Figures B1 thru B5 for the appli e Venturies operating at near sonic f
20. fer meters are de signed to mount between two ANSI 150 Ib flanges The meter should be mounted so its inside diameter is centered inside the pipe see Figure A Note Gaskets not provided are necessary between the sensor and the ANSI flanges Ensure that these gaskets are properly installed and do not protrude into the flow stream CAUTION Avoid bending the vortex strut or damaging the transducers during installation Do not remove cover plates while unit is operating CORRECT Meter Centered In Pipe The RNS RNG series insertion meters are de signed to mount on a standard ANSI 150 Ib 2 pipe flange The measuring window should be installed in the center of the line for line sizes 12 inches or less see Figures B4 and B5 For line sizes larger than 12 inches the measuring window should be installed 25 to 50 of the way into the pipe It is recommended that the internal dimensions of the line be measured for accurate readings Insertion meters can be used in any size pipe four inches and larger in diameter In order to calculate accurate volumetric mass and stan dard flow measurements it is recommended to enter the exact pipe size into the meter Normally this operation along with overall meter configuration is performed at the factory However the user can enter the pipe diameter on site using the Racine HART Interface or a HART 275 375 communicator Note The torque requirement for the fitting i
21. is not possible the general rule is to have 80 of the straight run upstream and 20 downstream from the flow meter installation High intensity ultrasonic noises should not be located upstream or downstream from the sen sor Common ultrasonic noise sources include the following e Slightly cracked valves operating with large pressure drops e Small pipe leaks in high pressure sys tems e Venturies operating at near sonic flow rates e Sonic nozzles If these ultrasonic noise sources cannot be eliminated the meter should be mounted with at least one elbow between the flow meter and the noise source Temperature and Pressure Tap Locations User supplied pressure and temperature sen sors should be mounted downstream from the flow meter The pressure sensor should be ap proximately 3 5 pipe diameters and the temper ature sensor approximately 4 8 pipe diameters downstream Page 20 Wafer Style Sensor Installation The flow meter is shipped completely assem bled tested and ready to install and operate in its permanent location The RWG RWS wafer style flow meters are designed to mount be tween two ANSI flanges The flow meter should be mounted so its inside diameter is centered inside the pipe The labeling of the flow direc tion of the flow meter should be aligned with the flow in the pipe Note Gaskets not provided are necessary between the sensor and ANSI flange It is recommend ed that the customer conduc
22. low cable outline dimensions for specific meters rates e Sonic nozzles Installation Location If these ultrasonic noise sources cannot be The RNx RWx series meters use ultrasonics to measure flow An ultrasonic noise can interfere with this technique therefore high intensity ultrasonic noise sources should not be located upstream or downstream from the meter Com mon mechanical ultrasonic noise sources include the following Page 6 eliminated the meter should be mounted with at least one elbow between the flow meter and the noise source Mechanical Installation The meter should be installed with at least 20 pipe diameters of straight pipe upstream and 10 pipe diameters downstream This condition provides the fully developed symmetrical flow profile that is necessary to obtain accurate and repeatable results Shorter upstream down Form No RV 1000 R5 11 10 stream piping may be used although a shift in calibration may occur If severe turbulence or distorted flow profiles are present flow straight eners should be used See Appendix A for additional installation information Meter Installation The labeling of the flow direction on the meter should be aligned with the flow in the pipe If liq uids or condensate can be present in the flow the meter should be installed so that liquids will not accumulate on the ultrasonic transducers the small buttons on either side of the vortex strut The RWG RWS series wa
23. mensions are sug gestions only Actual dimensions may vary depending on customer s own hot tap configu ration DANGER Caution should be used when inserting or retracting at pres sures exceeding 60 PSIG 4 14 BARg To calculate the required insertion flow meter s stem length For pipe diameters less than or equal to 24 609 mm Calculate the distance from the center line of the pipe to the top of the flow meter mounting flange For pipe diameters greater than 24 609 mm Calculate the distance from the top of the flow meter flange to a point 74 of the pipe diameter into the pipe When flow profiling is required calculate the distance from the bottom of the pipe to the top of the flow meter mounting flange and subtract 2 51 mm Next round this distance up to the next largest 12 305 mm increment This is the stem length that should be ordered Form No RV 1000 R5 11 10 Flow Profiling If the flow meter is long enough to be inserted to the far side of the pipe the flow through the pipe may be profiled at various flow rates The goal is to find a point in the pipe that remains a consistent percentage of the average flow rate over a wide range of flow A sample flow profile is shown in Table 6 In this example the flow rate of a 48 pipe is measured every six inches across the diameter of the pipe beginning and ending 3 from the near and far sides of the pipe The distance in inches from the near side of th
24. onfiguration for RNG Insertion Flow 23 M RNS Insertion Flow Meter Installed in a Reduced Pipe 24 Insertion Flow Meter Installed in a Reduced 22 25 Form No RV 1000 R5 11 10 Page 3 LIST OF TABLES TABLE TITLE PAGE 1 ee eS 5 2 Flow Range Chart for RWG Series Meters a innen 6 3 Flow Range Chart for RWS Series Meters a a 6 4 Flow Range Chart for RNG Series 2 1 4 2 1 4 44 2 21 4 4 6 5 Flow Range Chart for RNS Series Meters a 6 24 7 Flow Profile Normalized Data 24 LIST OF APPENDIXES APPENDIX TITLE PAGE A ADDITIONAL INSTALLATION 19 ENIM 19 BJ 19 19 e maU o PT 19 Velocity PRO inta Nuus tasa Mons to Ic maki 19 Straight Run Piping Considerations teeth 20 Temperature and Pressure Tap Locations
25. oss to any person or property arising out of the failure of any product component or accessory All expressed or implied warranties including the implied warranty of merchantability and the implied warranty of fitness for a particular purpose or application are expressly disclaimed and shall not apply to any products sold or services rendered by Racine The above warranty supersedes and is in lieu of all other warranties either expressed or implied and all other obligations or liabilities No agent or representative has any authority to alter the terms of this warranty in any way Waste Electrical and Electronic Equipment WEEE Directive In the European Union this label indicates that this product should not be disposed of with household waste It should be deposited at an appropriate facility to enable recovery and recycling For information on how to recycle this product responsibly in your country please aS visit www racinefed com recycle racing Division of Racine Federated Inc 8635 Washington Avenue Racine WI 53406 3738 USA Tel 262 639 6770 or 888 572 2463 Fax 262 639 2267 e mail vortex racinefed com www racinevortex com RFD Racine Flow Meter Group P ERIS DYNASONICS Flo tech HEDUAND PRESO racine Racine is a trademark of Racine Federated Inc 2010 Racine Federated Inc HART is a registered trademark of the HART Communication Foundation All rights reserved WINDOWS and VISTA are registered trademarks of
26. s 50 60 ft Ibs see Figures B4 amp B5 See Appendix A for additional installation information and flow profiling The RWGxxF RWSxxF series flanged meters are designed to mount between two ANSI 150 Ib flanges 300 Ib optional see Figure B3 Note Gaskets not provided are necessary between the ANSI flanges Ensure that these gaskets are properly installed and do not protrude into the flow stream INCORRECT Meter Not Centered In Pipe D FIGURE A INTERNAL ALIGNMENT OF WAFER STYLE FLOW METERS Form No RV 1000 R5 11 10 Page 7 Pipe Plug 4 38 I Cable Entry Accommodates 19 25 Dia Cable 3 4 14 NPT Connector 442 531 Dia 4 Holes ec Spaced at 90 on 00 paced a D Dia BC ne f Y gt en o j m ee 1 E Dia m Both Sides GAS AIR STEAM Diameter A Diameter B Dimension D Dimension Model Dimension Eki T tr I k i 3 50 89 0 50 13 RWG05 5 60 142 RWS05 9 47 241 2 38 61 2 25 57 1 38 35 3 97 101 0 88 22 RWG10 5 78 147 RWS10 9 65 245 3 12 79 2 12 54 2 00 51 4 72 120 1 38 35 RWG15 6 34 161 RWS15 10 21 259 3 88 99 2 12 54 2 88 73 Plug 4 38 1 Cable Entry Accommodates 19 25 Dia Cable 3 4 14 NPT Connector m D Dia Gt yi e Sides ZY os B Dia EM GAS AIR ST
27. suring 6 10 A Maximum Window Model DimensionA DimensionB DimensionC RNS12 12 00 305 15 0 381 21 5 546 All dimensions are in inches mm FIGURE 4 OUTLINE DIMENSIONS FOR RNS INSERTION STEAM METERS Page 10 Form No RV 1000 R5 11 10 a i em 4 50 3 4 14 T Pipe Plug C Maximum Retracted 13 0 Maximum at Maximum Insertion Measuring Window DimensionB DimensionC 12 00 305 12 88 327 21 50 546 24 00 609 24 88 632 33 50 851 36 00 914 36 88 937 45 50 1156 48 00 1218 48 88 1242 57 50 1461 60 00 1524 60 88 1546 69 50 1765 All dimensions are in inches mm FIGURE B5 OUTLINE DIMENSIONS FOR RNG INSERTION AIR GAS METERS Form No RV 1000 R5 11 10 Page 11 ELECTRICAL INSTALLATION Electrical connections for the meter are made using screw terminals located inside the enclo sure To access these terminals remove the lid from the enclosure The functions of these terminals are illustrated in Figure C To install the cable route it through the cable entry located on either side of the enclosure and attach the wires to the appropriate termi nals It is recommended that a wire be attached from the external flow meter ground terminal to chas sis ground if the pipe is not connected to chas sis ground eooooo
28. t a flow profile survey prior to installing flow meter Insertion Style Meter Installation The flow meter is shipped completely assem bled tested and ready to install and operate in its permanent location If the main line can be depressurized easily then a simple installation consisting of a 2 51 mm nozzle and a standard ANSI 150 Ib 2 pipe flange may be used This permits the shortest shaft length to be used which keeps clearance space requirements for insertion and removal to a minimum Note Gaskets not provided are necessary between the sensor and ANSI flange It is recommend ed that the customer conduct a flow profile survey prior to installing flow meter DANGER Caution should be used when inserting or retracting at pres sures exceeding 60 PSIG 4 14 BARg A Form No RV 1000 R5 11 10 Hot Tap Insertion Flow Meter Installation Where de pressurizing the line for flow me ter maintenance is impossible or undesirable the hot tap method of installation is used This method involves inserting the flow meter through a 2 51 mm spool piece and a 2 51 mm full port valve and will require a longer shaft length as well as greater clearance space for removal and installation Figures K amp L show a sample hot tap instal lation With the exception of the spool piece which must be a minimum of 6 152 4 mm Figure K in length or a minimum of 4 5 114 3 mm Figure L all of the di
29. tyle of bends and other equipment installed in the line By doing this you avoid problems of turbulence swirl and sonic noise Turbulence Turbulence is a disturbance of the flow caused by bends and obstructions in the flow stream it is this phenomena which makes the vortex flow meter work Fortunately turbulence dies out fairly quickly so by positioning the flow meter well away from bends and obstructions this potential problem of measuring flow in turbulent conditions is overcome see Figure 1 Swirl Unlike turbulence swirl will not die away Once created it will continue until dissipated on the next pipe bend in the system Swirl occurs after two bends in close proximity which are at an angle to each other When designing an instal lation keep the flow meter out of any line which has two adjacent bends upstream see Figure 2 Form No RV 1000 R5 11 10 Sonic Noise Sonic noise is created by valves either flow control or pressure control valves which are slightly open Like swirl sonic noise will only dissipate on a bend so it is important to install flow meters out of the line of sight of valves Sonic noise is caused by liquid attaining sonic velocities through a slightly open valve that has a pressure difference across it This noise travels both upstream and downstream from the valve so you have to ensure that the flow meter is installed well away from the valve preferably around a bend see Figure H3
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