C-RL Installation Guide 5 MB
Contents
1. 10 C RL Installation Guide 4 36 Installing the Fixture cont 3 Position the clamping fixture as close as possible to the horizontal plane The fixture should be positioned so the transducers will be located on the opposite sides of the pipe 180 apart ideally at the 3 and 9 o clock positions Do not place fixture on the pipe so the transducers are the top or bottom of the pipe Note Make sure you reassemble the fixture properly to ensure the correct transducer spacing If the fixture has rulers on the rails make sure the zero points on each ruler are at the same end of the fixture as shown below Mating Half Top View Zero on Each Measuring Scales Top View C RL Installation Guide 11 4 36 Installing the Fixture cont 4 Install the four nuts onto the threaded rods with the convex side of the nut facing the fixture Hand tighten each nut evenly as shown below DO NO2. C RL Installation Guide 7 4 3a Setting the Transducer Spacing 1 Ifnecessary assemble the fixture as shown below Make sure the zero points on each ruler are at the same end of the fixture as shown below Insert in 4 places Zero Points 2 Using a ruler or the ruler printed on the fixture set one of the mounting blocks at least 1 in 2 5 cm from the edge of the fixture To move the block loosen the set screw slide the block to the desired location and tighten the set screw Use the edge of the block shown below as the setting point Zero Point on Measuring Scales d H N a Set Screw Mounting Bloc Set at 1 in 2 5 cm using Set at 1 in 2 5 cm this edge of block Top View 8 C RL Installation Guide 4 3a Setting the Transducer Spacing cont 3 Slide the other mounting block to the calculated spacing plus 1 in 2 5 cm For example a Spacing for the first mounting block 1 in 2 5 cm b Spacing as calculated by the flowmeter 0 5 in 12 5 mm c Second mounting block final location 1 in 0 5 in 1 5 in
3. Circumferential Line outlined in white 7 Use the pressure bolt to secure the dummy block in place Hand tighten enough to hold the dummy block in place Do not overtighten so that the block lifts off the pipe 8 Adjust the mounting block so the indicator line on the dummy block lines up with the origin line on the pipe Also make sure the front edge of the mounting block is still lined up with the circumferential line When the mounting block is properly aligned tighten the chain or strap to secure it ag Indicator Line Origin Scribe Line aN P 9 Remove the dummy block from the mounting block C RL Installation Guide 35 4 4g Mounting the Transducers If your application requires junction boxes refer to step 1 below does not require junction boxes skip to step 3 below 1 Apply a thread sealant to the transducer threads A sealant is not required within the U S however a sealant is required for ATEX certification Before mounting the transducers thread the junction box onto the transducer and make it wrench tight 40 Ibf ft 54 N m Make sure to orient the cover of the junction box so it is accessible to make cable connections once the box is installed 3 Apply a bead of couplant 0 25 in 6 mm wide along the entire length of each transducer face The purpose of the couplant is to expel the air gap between the transducer and the pipe Air wil
4. 2 5 cm 1 25 cm 3 75 cm The overall spacing between blocks should be left edge to left edge or right edge to right edge Note Jfpossible the second block should also be set at least 1 in 2 5 cm from the edge of the fixture Zero Point on Set second block Measuring Scales using this edge ist Top View C RL Installation Guide 9 4 36 Installing the Fixture During this procedure you will be required to place the fixture and transducers on the pipe more than once and in some cases as many as 3 times The fixture and transducers are placed on the pipe temporarily for two purposes to mark where the fixture and transducers make contact with the pipe so those sections can be cleaned and e as a reference for placing the dampening material Use the steps below to begin installation 1 Remove any pipe insulation from the installation site Note Make sure you clear an area that is large enough for the transducers and dampening material installation 2 Disassemble the fixture by removing the four nuts from the threaded rods and pulling apart the two halves of the fixture Note Make note of the assembled fixture to make sure you reassemble it the same way Otherwise the transducer spacing will be incorrect Remove 4 places
5. C 40 to 167 F Process Temp Range 40 to 130 C 40 to 266 F North America and European safe area installations 40 to 75 C ATEX European hazardous area installations North American Certification Explosion proof Class I Div 1 S A Group B C D Cc US European Certification Flameproof II 2 G Ex dmb IIC T6 Gb I 2 D Ex mb tb IIIC T80 C Db Tamb 40 to 75 C 40 to 167 F KEMA 02ATEX2337 X North American IP66 TYPE 4X Certification Weatherproof S B 200Vpp 5mA Cc US European Certification Weatherproof IP 66 CE Note The transducer is protected by a suitable fuse located in the flowmeter electronics The fuse has a breaking capacity in accordance with the short circuit current of the supply C RL Installation Guide Warranty Warranty Each instrument manufactured by GE Sensing is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing determines that the equipment was defective the warranty period is e one year from delivery for electronic or mechanical failures e one year from delivery for sensor shelf life If GE
6. curvature of the pipe With an ultrasonic thickness gage measure the pipe thickness at a minimum of six spots on the cleared area To ensure accuracy take at least three measurements at each spot and average the results The thickness should not vary by more than 5 among the six spots If you encounter more than a 5 variation among the six spots move to another section of the pipe Verify that the wall thickness at both transducer locations has less than the 5 variation What s Next The next series of steps depends on what type of dampening material you are using If you are using 14 e DMP 1 proceed to the next section on the next page e DMP 3 proceed to page 17 e PDJ proceed to page 19 C RL Installation Guide 4 3d Applying the DMP 1 Dampening Material 1 Unroll the DMP 1 material and peel back a small part of the paper backing Do not completely remove the paper backing One 9 5 in 24 cm roll fits between the lines marked on the pipe 2 Use a dry towel or rag and dry the pipe IMPORTANT The dampening material will only adhere to the pipe correctly if the pipe is completely dry 3 Roll the DMP 1 dampening material around the pipe peeling the paper backing off as you go Place the material between the marks that represent the inside edge of the fixture as shown below Use the entire length supplied wrapping the material over itself 4 Reinstall the fixture making sure the fixture is reassembled corre
7. pipe on the outside edge of each mounting block one upstream and one downstream Again peel the paper backing as you go The completed installation should appear similar to the figure below junction boxes not shown el J gt Origin Line Pressure Bolt Dumny Block Circumferential Line DA outlined in white 7 Refer to What s Next on the next page 40 C RL Installation Guide 4 4i Applying DMP 3 Compound WARNING Be sure to wear proper eye and skin protection when applying the dampening compound Also make sure there is proper ventilation 1 Use a dry towel or rag and dry the pipe IMPORTANT The dampening material will only adhere to the pipe correctly if the pipe is completely dry WARNING High temperature applications A Once the dampening compound is applied to the pipe the compound may drip and will cause severe burns upon contact with bare skin Also be sure not to inhale the fumes generated during the DMP 3 curing cycle 2 Wearing gloves place the DMP 3 material in between and on either side of the mounting blocks and transducers Use the palm of the hand to press it onto the pipe Note As the dampening material dries out over several hours after installation its effectiveness increases 3 Spread the DMP 3 material so that it covers the whole area around the mounting blocks to a thickness of about 0 25 in 6 mm Note Jfthe measurement point is near a flange or weld app
8. than 5 among the six spots If you encounter more than a 5 variation among the six spots move to another section of the pipe Verify that the wall thickness at both transducer locations has less than the 5 variation C RL Installation Guide 25 4 4c Surveying the Pipe 1 Measure the pipe circumference to an accuracy 1 16 in 2 mm IMPORTANT Do not use a calculated value or a nominal value for the circumference 2 Tightly wrap the layout tape around the entire pipe and line up the edges Use the whole tape for best results Using the tape as a template guide mark a line around the entire circumference of the pipe Side View 26 C RL Installation Guide 44c Surveying the Pipe cont 3 Line up the zero scale of the layout tape at the desired transducer location e g 3 or 9 o clock of the first transducer Mark a line origin line at least 12 in 30 cm long Side View 4 To find the coinciding point on the opposite side of the pipe 180 away divide the measured circumference by 2 and measure this distance along the circumferential line from the zero point Take the 180 point measurement from both over the top of the pipe and under the bottom of the pipe on a horizontal pipe to ensure reciprocity of the installation Mark a small scribe line at the 180 point 180 deg and c 2 180deg and C 2 C RL Installation Guide 27 44c Surveying the Pipe cont 5 Mar
9. the dummy block lines up with the circumferential line as shown below Origin Line Pressure Bolt f Dumny Block I Circumferential Line S outlined in white 6 Use the pressure bolt to secure the dummy block in place Hand tighten enough to hold the dummy block in place Do not overtighten so that the holder lifts off the pipe Dummy Block Z e C RL Installation Guide 31 44e Installing the First Mounting Block cont 7 Adjust the mounting block so the indicator line on the dummy block lines up with the origin line on the pipe Also make sure the front edge of the mounting block is still lined up with the circumferential line When the mounting block is properly aligned tighten the chain or strap to secure it Origin Scribe Line RA P 32 C RL Installation Guide 4 4 Installing the Second Mounting Block 1 On the opposite side of the pipe 180 point mark the transducer spacing point obtained as described on page 6 on the origin line Measure from the zero point Mark the spacing point with a crosshair Zero Point Chain from First Mounting Block Origin Line S Transducer Spacing Point Side View on opposite side of pipe 2 Using the pipe wrap make a second circumferential line at the transducer spacing mark around the entire pipe circumference Origin Line S Transducer Spacing Circumferential Line Side Vi
10. 12 19 EU The equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse or recycle most of the materials of your end life equipment in a sound way The crossed out wheeled bin symbol invites you to use those systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration Visit http www ge mcs com en about us environmental health and safety 1741 weee reg html for take back instructions and more information about this initiative vi C RL Installation Guide 1 Introduction The C RL clamp on ultrasonic flow transducers are used exclusively with the GE Measurement amp Control line of ultrasonic flowmeters These transducers are used to measure the flow of various gases through pipes having diameters from 3 4 in 20 mm to 30 in 750 mm Such measurements are independent of the pipe material This document provides details on the following topics e Transducer Construction e Dampening Material e Installation e Maintenance e Specifications 2 Transducer Construction A transducer assembly includes a 316 stainless h
11. Billerica MA 01821 U S A CSS 0014 Rev A Telephone 978 437 1000 or 800 833 9438 July 2014 Sensing House Shannon Free Zone East Shannon County Clare Ireland Telephone 353 61 470200 Certification amp Safety Statements for Clamp on Ultrasonic Flow Transducer types C RL C RS amp C RV July 2014 e Only trained competent personnel may install operate and maintain the equipment The product cannot be repaired by the user it must be replaced by an equivalent certified product Repairs should only be carried out by the manufacturer or by an approved repairer Special Conditions for Safe Use e To avoid an ignition hazard protect the transducer from impact or friction In particular the transducer must be installed so that the face of the transducer is towards the process protecting the face from impact The transducer must be protected by limiting the maximum fault current This is achieved by operating the apparatus in conjunction with the following meters XMT868 i DF868 AT868 CG868 or CTF878 Only these meters are permitted under the certificate detailed below short circuit The prospective short circuit current PSCC will not exceed 20mA No power is dissipated internally when there is a The connecting cable shall be secured close to the enclosure to prevent loosening and twisting The mounting hardware shall not contain more than 7 5 Magnesium Titanium or Zirconium The assembly shall not be insulated beyond t
12. GE Measurement amp Control Flow C RL Installation Guide inati t k 916 062 Rev B imagination at wor October 2014 C RL Ultrasonic Flow Transducer Installation Guide 916 062 Rev B October 2014 www ge mcs com 2014 General Electric Company All rights reserved Technical content subject to change without notice no content intended for this page Be ROAA IN C RL Ultrasonic Flow Transducer Contents giigelelto lel subeer erent ae cer owe cee Tow E Tt a mrtnre te erry rrr eT oe etre mee a errs are ee reo 1 Transducer ConstrUCtio Msn ca 2c gst tuanenmtedics seeds T ANE A a R E aha 1 Dampening Maternal seassa em are a Ea AE A TRA E se uence eae a ai 2 Installing the C RL ThanSdueet Ss tscsane cet cates he it A ange rr rror rrer rr rrer rr rrrrreo 3 4 1 Choosing an Installation LOCation s sasse re nn wees eee eect elke 2 ees 5 4 2 Obtaining the Transducer Spacing ws ue a Dice is gk ei eee vitae rrur oe aera va elem 6 4 3 Installing the V Series Clamping Fixtures and Transducers 0 0 0 eee eee eee 7 4 3a Setting the Transducer Spacing c 2 40 8 nsusoar wermerneweegee sierae de rues ye teaearee 8 ASIMOV the Fixture Tisei eongoa hale Setsachee Mek a team abla ie aches dad a Nang Becca tabard 10 4 36 Preparing the PIDE sesedap ineas i EE te ala onthe cri iaitlete palate Al ENER 13 4 3d Applying the DMP 1 Dampening Material 0 00 cece ccc cece cent eees 15 Ase Applying DMP 3 C
13. IfGE Sensing determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned C RL Installation Guide 45 Warranty no content intended for this page 46 C RL Installation Guide Me Certification amp asurement amp Control Safety Statements Certification amp Safety Statements for GE Measurement amp Control Clamp on Ultrasonic Flow Transducer types C RL C RS amp C RV When installing this apparatus in potentially hazardous areas the following requirements must be met The certification covers the GE clamp on transducers fitted with an IME 7080 series enclosure an Ex d amp tb approved metal enclosure and a clamping fixture the assembly complying with the requirements of EN 60079 1 and EN 60079 31 and providing a degree of protection of IP6X The following standards have been applied EN60079 0 2009 EN60079 1 2007 EN60079 18 2009 amp EN 60079 31 2009 This apparatus is equipment category 2 EPL Gb amp Db and may be installed in zone 1 and 2 areas It may not be used in a zone O area This apparatus is certified for gas and dust hazards The apparatus certification is valid for the ambient and process temperature range combinations listed on the following page This is not the operational temper
14. Sensing determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Sensing the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties or merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade Return Policy Ifa GE Sensing instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE Sensing giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE Sensing will issue a RETURN AUTHORIZATION NUMBER RAN and shipping instructions for the return of the instrument to a service center will be provided 2 If GE Sensing instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE Sensing will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken Ifthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned
15. T use a cross tightening pattern Nuts Nuts 2 places 2 places Z Top View Tightening Pattern of Bolts Tighten equally first Tighten equally second Side View 12 C RL Installation Guide 4 3 Preparing the Pipe 1 Using a permanent marker mark the inside edges of the fixture These lines indicate where to clean the pipe and then apply the dampening material Make sure you mark both sides of the fixture Make marks here Top View 2 Remove the fixture Top View C RL Installation Guide 13 4 3c Preparing the Pipe cont 3 Clean the area between the marks Remove any loose paint or rust with sandpaper or emery cloth Make sure to preserve the original curvature of the pipe If the finish is mirror smooth use the file to roughen the surface TIP Zfyou are concerned about removing the reference lines during cleaning use a tape measure and measure 2 ft 60 cm from one of the reference lines and mark another line temporary or permanent This line can be used as a reference point later Using an emery cloth clean the cleared area Again take care to preserve the original
16. V8 CFG V12 Operating Frequency 500 kHz 1 0 MHz 500 kHz 1 0 MHz Electrical Rating 200 V peak to peak 5 mA Process Temp Range 40 to 176 C 40 to 349 F 40 to 230 C 40 to 446 F North American Certification Explosion proof General Purpose European General Purpose Certification Flameproof North American IP66 TYPE 4X Certification S 200Vpp 5mA Weatherproof Cc US European IP 66 Certification Weatherproof Note The transducer is protected by a suitable fuse located in the flowmeter electronics The fuse has a breaking capacity in accordance with the short circuit current of the supply C RL Installation Guide 43 4 44 Specifications cont Table 5 C RL Transducer Specifications Transducer No 305 304 306 Primary Use Small pipes Low pressure high Low pressure high velocity primarily velocity primarily used with TAG used with TAG technology technology Installation Type Clamp on Material of Construction 316 SS and plastic Pipe Sizes 3 4 to 2 20 to 50 mm 6 to 20 16 to 30 150 to 500 mm 400 to 760 mm Consult factory for larger pipes Clamping Fixture CFG V1 CFG V4 CFT V8 CFT V12 CFT PI Operating Frequency 1 0 MHz 500 kHz 200 kHz Electrical Rating 200 V peak to peak 5 mA Ambient Temperature Range North America 20 to 75 C 4 to 167 F Europe 40 to 75
17. ampening material will only adhere to the pipe correctly if the pipe is completely dry WARNING High temperature applications A Once the dampening compound is applied to the pipe the compound may drip and will cause severe burns upon contact with bare skin Also be sure not to inhale the fumes generated during the DMP 3 curing cycle 2 Wearing gloves place a piece of the DMP 3 material on top of the pipe and use the palm of the hand to press it onto the pipe Note Jfthe measurement point is near a flange or weld apply DMP 3 between that structure and the fixture as well 3 Spread the DMP 3 material so that it covers the whole area under the fixture to a thickness of about 0 25 in 6 mm C RL Installation Guide 17 4 3e Applying DMP 3 Compound cont 4 Reinstall the fixture around but not on the DMP 3 material making sure the fixture is reassembled properly to ensure the correct transducer spacing see Installing the Fixture beginning with step 3 on page 11 Once the fixture is on the pipe tighten the four nuts with a l in crescent box wrench DO NOT use a cross tightening pattern 6 To mount transducers refer to Mounting the Transducers on page 21 18 C RL Installation Guide 4 3f Applying the Pipe Dampening Jacket PDJ WARNING Be sure to wear proper eye and skin protection when applying the dampening compound Also make sure there is proper ventilation 1 Remove the backing from the inside o
18. ature range of the apparatus check supplied documentation for operational limits Field wiring and cable entry fittings shall be rated at least 10 above ambient Cable entries are 3 4 NPT see product markings ATEX approved Ex d IIC and or Ex tb IIIC cable entry devices appropriately rated are required These must be installed according to the manufacturer s instructions Unused entries must be closed with an approved Ex d IIC and or Ex tb IIIC plug Connecting cables shall be mounted securely and protected from mechanical damage pulling and twisting The product contains no exposed parts which produce high surface temperatures or infrared electromagnetic or ionizing radiation The product must not be subjected to mechanical or thermal stresses in excess of those permitted in the certification documentation and the instruction manual The metal part of the transducer body and the enclosure shall not be insulated There are no internal sources of ignition in normal operation The product is a hazardous area electrical apparatus and must be installed in accordance with the requirements of the product certification The installation must be carried out in accordance with all the appropriate international national and local regulations codes of practice and site requirements for hazardous area apparatus and in accordance with the instructions contained in the manual The installation shall comply with IEC EN 60079 14 To avoid an igni
19. cers requires various tools You will also need additional tools to apply the dampening material Refer to Table 2 below for a complete list of everything you will need Table 2 Tools for PI Fixture Installation Fixture and Transducers sandpaper e file e emery cloth e ultrasonic thickness gage e permanent marker thread sealant for junction boxes only e 7 16 in crescent box wrench or 4 in adjustable wrench e other safety equipment suitable for your application DMP 1 DMP 3 PDJ e utility knife e gloves e 7 16 in crescent box wrench or 4 in adjustable wrench e spatula or putty knife to remove access dampening compound 24 C RL Installation Guide 44b Preparing the Pipe 1 Remove any pipe insulation from the installation site Note Make sure you clear an area that is large enough for the transducers and dampening material installation 2 Remove any loose paint or rust with sandpaper or emery cloth Make sure to preserve the original curvature of the pipe If the finish is mirror smooth use the file to roughen the surface 3 Using an emery cloth clean the cleared area Again take care to preserve the original curvature of the pipe 4 With an ultrasonic thickness gage measure the pipe thickness at a minimum of six spots on the cleared area To ensure accuracy take at least three measurements at each spot and average the results The thickness should not vary by more
20. cted against impact This is provided by properly installing the transducer into the clamping fixture All care must be provided during installation to ensure all protection is afforded 6 C RL Installation Guide 4 3 Installing the V Series Clamping Fixtures and Transducers Installing the V Series clamping fixture and transducers requires the following steps Setting the Transducer Spacing Installing the Fixture Preparing the Pipe e Applying the Dampening Material Mounting the Transducers Refer to the following section to properly prepare for installation Tools and Equipment Needed Installing the fixture and transducers requires various tools You will also need additional tools to apply the dampening material Refer to Table 1 below for a complete list of everything you will need Table 1 Tools for V Series Fixture Installation Fixture and Transducers straight edge ruler scale permanent marker sandpaper e file e emery cloth ultrasonic thickness gage tape measure e dry towel or rag thread sealant for junction boxes only e 7 16 in crescent box wrench or 4 in adjustable wrench in crescent box wrench or 10 in adjustable wrench e other safety equipment suitable for your application DMP 1 DMP 3 PDJ e utility knife e gloves e 7 16 in crescent box wrench or 4 in adjustable wrench e spatula or putty knife to remove access dampening compound
21. ctly to ensure the correct transducer spacing see Installing the Fixture beginning with step 3 on page 11 5 Loosely mount the transducers on top of the dampening material 6 With a marker trace around the transducer footprint Remove the fixture and transducers C RL Installation Guide 15 43d Applying DMP 1 Dampening Material cont 7 Use a utility knife to cut out the area under the transducer footprint Peel the cut material off the pipe as shown below 8 Reinstall the fixture on the pipe see nstalling the Fixture beginning with step 3 on page 11 Once the fixture is on the pipe tighten the four nuts with a l in crescent box wrench DO NOT use a cross tightening pattern 9 Use the second strip of dampening material for additional dampening Unroll the second strip of dampening material and cut the strip into two pieces each 4 5 in 11 cm wide 10 Wrap each of these strips around the pipe on the outside edge of the clamping fixture one upstream and one downstream The completed dampening material installation should appear similar to the figure below with transducers 11 To mount transducers refer to Mounting the Transducers on page 21 16 C RL Installation Guide 4 3e Applying DMP 3 Compound WARNING Be sure to wear proper eye and skin protection when applying the dampening compound Also make sure there is proper ventilation 1 Use a dry towel or rag and dry the pipe IMPORTANT The d
22. emove it If necessary loosen the locking nut with a wrench Refer to the appropriate section to insert a new transducers No cleaning required Couplant Verify every 6 months in dry areas e g the desert Verify every 12 months in other areas Measure the signal strength using diagnostics and compare to the value taken at the time of installation Good and bad limits are listed in the Service Manual or User s Manual No cleaning required Dampening Material N A Life of 25 years Consult factory for additional information if needed No cleaning required Clamping Fixture Determined by user Periodic inspection and tightening of clamping fixture nuts is required to ensure clamping fixture does not become loose and fall possibly causing injury No cleaning required C RL Installation Guide 4 6 Specifications Table 4 C RL Transducer Specifications Transducer No 301 302 307 308 Primary Use Mid sized pipes Small pipes high Mid size pipes Small pipes very high temperature temperature very high high temperature temperature Installation Type Clamp on Material of 316 SS and plastic Construction Pipe Sizes gt 2 to 12 3 4 to 2 gt 2 to 12 3 4 to 2 gt 50 to 300 mm 20 to 50 mm gt 50 to 300 mm 20 to 50 mm Clamping Fixture CFG V4 CFG V8 CFG V1 CFG CFG V4 CFG CFG V1 CFG V12 v4
23. en the four nuts with a l in crescent box wrench DO NOT use a cross tightening pattern 6 To mount transducers refer to Mounting the Transducers on the next page 20 C RL Installation Guide 4 39 Mounting the Transducers If your application requires junction boxes refer to step 1 below does not require junction boxes skip to step 3 Note Dampening material is not shown in the following illustrations 1 Apply a thread sealant to the transducer threads A sealant is not required within the U S however a sealant is required for the ATEX certification 2 Before mounting the transducers thread the junction box onto the transducer and make it wrench tight 40 Ibf ft 54 N m Make sure to orient the cover of the junction box so it is accessible to make cable connections once the box is installed 3 Apply a bead of couplant 0 25 in 6 mm wide along the entire length of each transducer face The purpose of the couplant is to expel the air gap between the transducer and the pipe Air will cause the transducer signal to attenuate IMPORTANT To prevent the loss of couplant do not slide the transducer with couplant along the surface of the pipe when mounting 4 Ifyou are using e CPL 1 CPL 2 or CPL 3 proceed to the next step e CPL 16 proceed to step 7 on the next page C RL Installation Guide 21 4 3g Mounting the Transducers cont 5 Insert the transducers into t
24. enter 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll free 978 437 1000 E mail sensing ge com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland Tel 353 0 61 470200 E mail gesensingsnnservices ge com An ISO 9001 2008 Certified Company www ge mcs com en about_us quality html www ge mcs com 2014 General Electric Company All rights reserved Technical content subject to change without notice 916 062 Rev B
25. essure is 200 psig 1 378 kPa or lower The pipe is deformed non circular The pipe is old with a history of scaling or rust The pipe experiences constant condensation on the outside Note Consult a GE flowmeter applications engineer or sales engineer if you have any questions regarding dampening material Details for properly installing the dampening material are discussed in the installation instructions 2 C RL Installation Guide 4 Installing the C RL Transducers GE Measurement amp Control offers the following fixtures to suit your applications needs e V1 clamping fixture e V4 clamping fixture e V8 clamping fixture e V12 clamping fixture PI clamping fixture Figures 2 below and 3 on the next page show the V1 V4 V8 V12 and PI fixture assemblies Each type of transducer and fixture requires the installation of dampening material for acoustic isolation Complete the steps in the following sections to position and install the transducers fixtures and dampening material Figure 2 The V12 Fixture C RL Installation Guide 3 4 Installing the C RL Transducers cont Figure 3 The V1 V4 V8 and PI Fixtures 4 C RL Installation Guide 4 1 Choosing an Installation Location 1 Locate the transducer measurement point at least 3 ft 1 m from any butt welds or flanges ideally in the center of a 20 ft 6 m length of straight run of pipe Keep appropriate clearance on either side of t
26. etdhdacudebdude bhi sas bad one eared 2 C Rx Transducer Assembly Details n nnnn nhdldedilend ae dang hg dese tea eagede Obs abe deneuaes 2 Examples of MONMINO Secon nce Aone dacdacudlhde dens ce Piletempaetisein taut kes ae ouesad Ded eae Monies 3 Installation Guide ili Contents C RL Ultrasonic Flow Transducer iv Installation Guide Preface Information Paragraphs Note These paragraphs provide information that provides a deeper understanding of the situation but is not essential to the proper completion of the instructions IMPORTANT These paragraphs provide information that emphasizes instructions that are essential to proper setup of the equipment Failure to follow these instructions carefully may cause unreliable performance CAUTION This symbol indicates a risk of potential minor personal injury and or severe damage to the equipment unless these instructions are followed carefully WARNING This symbol indicates a risk of potential serious personal injury unless these instructions are followed carefully gt gt Safety Issues WARNING It is the responsibility of the user to make sure all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation WARNING For installations in potentially hazardous areas be sure to read the Certification and Safety Statements document at the end of this manual before beginning the ins
27. ew on opposite side of pipe C RL Installation Guide 33 4 4f Installing the Second Mounting Block cont 3 Line up the other mounting block so it is centered over the origin line and the front edge of the mounting block lines up with the transducer spacing point as shown below IMPORTANT Make sure you use the same edge on both blocks If you do not the transducer spacing will be incorrect 4 Carefully wrap the chain or strap around the pipe taking care not to twist it Hook the chain into the J hook If you are using a strap insert the J hook into the smaller round holes on the strap 5 Tighten the chain or strap around the pipe so the mounting block can be moved for adjustments but not so loose that it will move without being touched First Circumferential Lin Same Right Edge of Block Chain from First Mounting Block Origin Line a Transducer Spacing send Second Circumferential Line Side View on opposite side of pipe Spacing right edge to right edge Top View 34 C RL Installation Guide Installing the Second Mounting Block cont 4 4 6 Remove the transducer dummy block from the first mounting block and install it into the second mounting block Insert the dummy block into the mounting block so the front edge of the dummy block lines up with the Origin Line j Pressure Bolt circumferential line as shown below f A Dumny Block
28. f the pipe dampening jacket WARNING High temperature applications A Once the dampening compound is applied to the pipe the compound may drip and will cause severe burns upon contact with bare skin Also be sure not to inhale the fumes generated during the DMP 3 curing cycle 2 Install the jacket on the pipe so the jacket is between the marks and the transducer holes are located at the 3 and 9 o clock positions Note GE recommends placing the PDJ on the pipe so the seam is as close to the of the pipe as possible Placing the seam at the top of the pipe reduces the amount of dripping 3 Tighten the clamping screws evenly in sequence see figure below taking care not to twist or warp the PDJ When tightening some fluid and dampening material will drip from the bottom of the jacket Note As the dampening material dries out over several hours after installation its effectiveness increases Tighten in sequence C RL Installation Guide 19 4 3f Applying the Pipe Dampening Jacket PDJ cont 4 Install the fixture over the jacket see Installing the Fixture beginning with step 3 on page 11 adjusting the fixture so the transducer block falls over the pre stamped transducer holes at the flowmeter spacing calculations The figure below shows the PDJ and the fixture with transducers Note Make sure the fixture is reassembled properly to ensure the correct transducer spacing 5 Once the fixture is on the pipe tight
29. he mounting blocks making sure the BNC connectors or junction boxes point away from the center of the fixture Tighten the pressure bolts to hold the transducers in place Hand tighten the bolt enough so the transducer makes contact with the pipe IMPORTANT Do not use a wrench or pliers on the pressure bolt a SX E P SS L Transducer A Top View 6 Skip to step 10 on the next page 7 Install the transducers into the mounting blocks making sure the BNC connectors or junction boxes point away from the center of the fixture Use the pressure bolt to hold the transducer in place while the couplant begins to spread Wait 1 minute IMPORTANT Do not use a wrench or pliers on the pressure bolt 8 Turn the pressure bolt 1 4 turn and wait 1 minute again Do not overtighten so that the fixture lifts off the pipe 9 Repeat step 8 once then proceed to the next step 22 C RL Installation Guide 4 3g Mounting the Transducers cont 10 For permanent applications tighten the locking nut with a wrench to maintain constant pressure and prevent loosening due to vibration and thermal expansions Locking Nut Top View Wha
30. he pipe for easy transducer installation e 6in 15 cm if you are not using a junction box or e 9 in 23 cm if you are using a junction box Note To guarantee the specified accuracy of the flowmeter there is no substitute for straight run and fully developed flow profile However if straight run is not available the transducer location should be in a position such that the acoustic signal travels through the full distribution of the under developed flow profile for best repeatability 2 Place the transducers as close as possible to the horizontal plane Locate the transducers on opposite sides of the pipe 180 apart ideally at the 3 and 9 o clock positions Do not place transducers on the top or bottom of the pipe Transducer Signal Path End View C RL Installation Guide 5 4 2 Obtaining the Transducer Spacing Enter the required information into the flowmeter s user program Pipe Parameters menu to determine the transducer spacing Some applications may require you to conduct a pipe survey before you can obtain the transducer spacing Refer to Obtaining the Transducer Spacing section of your User s Manual or Startup Guide for more details Proceed to the appropriate section to install the transducers and fixtures Installing the V Series Clamping Fixtures on the next page Installing the PI Fixture and Transducers on page 24 IMPORTANT To maintain ATEX certification the transducer face must be prote
31. he plastic to metal joint on the transducer body The assembly shall not be mounted on the top surface of a pipe or duct EU EEA Installation Compliance The use of this apparatus is subject to the EU directive on minimum requirements for improving the safety and health protection of workers potentially at risk from explosive atmospheres Council Directive 1999 92 EC The installer is required to be familiar with this document or the National transposing legislation C Rx Transducer Assembly Details Manufacturer and certificate owner Alternative manufacturing site QAN License Number Notified Body for Quality Assurance Notified Body Number Certificate Number Apparatus Markings see example below Ambient temperature range ATEX Pipe surface temperature range ATEX GE Infrastructure Sensing Inc Billerica MA 01821 USA GE Sensing EMEA Shannon Co Clare Ireland 0794 USA or 0795 Ireland SGS Baseefa 1180 KEMA O2ATEX2337 X 2G ExdmblICT6 Gb 2D Ex mb tb IIIC T80 C Db 40 C to 75 C 40 C to 75 C The manufacturing date is encoded in the transducer s serial number The serial number format is MMYYNNNN MMYY is month and year of construction NNNN is a sequential number CSS 0014 Rev A 2of4 Certification amp Safety Statements for Clamp on Ultrasonic Flow Transducer types C RL C RS amp C RV Examples of Markings CSS 0014 Rev A Ld RATINGS 200Vpp SmA O 1W S M PSCC 20
32. k another origin line at the 180 point at least 12 in 30 cm long Origin line 180 Point min 12 in 30 cm long Side View on opposite side of pipe What s Next The next series of steps depends on what type of dampening material you are using PDJ proceed to the next section e DMP 1 and DMP 3 proceed to Installing the First Mounting Block on page 30 28 C RL Installation Guide 4 4d Applying the Pipe Dampening Jacket PDJ WARNING Be sure to wear proper eye and skin protection when applying the dampening compound Also make sure there is proper ventilation 1 Remove the backing from the inside of the pipe dampening jacket WARNING High temperature applications A Once the dampening compound is applied to the pipe the compound may drip and will cause severe burns upon contact with bare skin Also be sure not to inhale the fumes generated during the DMP 3 curing cycle 2 Install the jacket on the pipe so the jacket is between the marks and the transducer holes are located at the 3 and 9 o clock positions Note GE recommends placing the PDJ on the pipe so the seam is as close to the of the pipe as possible Placing the seam at the top of the pipe reduces the amount of dripping 3 Tighten the clamping screws evenly in sequence see figure below taking care not to twist or warp the PDJ When tightening some fluid and dampening material will drip from the bottom of the jacket N
33. l cause the transducer signal to attenuate IMPORTANT To prevent the loss of couplant do not slide the transducer with couplant along the surface of the pipe when mounting 36 C RL Installation Guide 4 4g Mounting the Transducers cont 4 Ifyou are using e CPL 1 CPL 2 or CPL 3 proceed to the next step e CPL 16 proceed to step 7 below 5 Insert the transducers into the mounting blocks making sure the BNC connectors or junction boxes point away from the center of the fixture Tighten the pressure bolts to hold the transducers in place Hand tighten the pressure bolt enough so the transducer makes contact with the pipe IMPORTANT Do not use a wrench or pliers on the pressure bolt 6 Skip to step 10 on the next page 7 Install the transducers into the mounting blocks making sure the BNC connectors or junction boxes point away from the center of the fixture Use the pressure bolt to hold the transducer in place while the couplant begins to spread Wait 1 minute IMPORTANT Do not use a wrench or pliers on the pressure bolt 8 Turn the pressure bolt 1 4 turn and wait 1 minute again Do not overtighten so that the fixture lifts off the pipe 9 Repeat step 8 once then proceed to the next step C RL Installation Guide 37 4 4g Mounting the Transducers cont 10 For permanent applications tighten the locking nut see the figure below for location with a wrench to maintain constant pressure and preve
34. ly DMP 3 between that structure and the fixture as well What s Next You have completed installing the PI Clamping Fixture and transducers You should do all of the following Refer to the installation section of your flowmeter User s Manual or Startup Guide to make transducer connections The cables shall be secured close to the junction boxes so as to prevent twisting and pulling e Make a note of the installation date and set a schedule for periodic inspection and tightening of clamping fixture nuts to ensure clamping fixture does not become loose and fall possibly causing injury e Once the flowmeter is up and running measure the signal strength of each transducer using the flowmeter s diagnostics menu and make a note of it This value will be helpful when making periodic checks Refer to your User s Manual or Startup Guide for more details C RL Installation Guide 41 4 5 Maintenance Transducers couplant the clamping fixture and dampening material are provided by the factory Once you have completed installation little maintenance is required Refer to Table 3 below for maintenance information 42 Table 3 Maintenance Checks Component Interval Maintenance Check Comments Transducer N A No additional adjustments or maintenance needed If you suspect something is wrong with a transducer or need to replace a transducer simply loosen the pressure bolt that secures the transducer in place and r
35. mA OV OW 1 2 G Ex d mb IIC T6 Gb l 2 0 Ex mb tb It TOC Db IP66 Tamb 40C TO 475 C KEMA O2ATEX23 37 July 2014 3 of 4 Certification amp Safety Statements for Clamp on Ultrasonic Flow Transducer types C RL C RS amp C RV July 2014 CSS 0014 Rev A 4 of 4 GE DECLARATION Sensing OF CONFORMITY DOC 0029 Rev C We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the C RL C RS amp C RV Clamp on Ultrasonic Flow Transducers to which this declaration relates are in conformity with the following standards e EN 60079 0 2009 e EN 60079 1 2007 e EN 60079 18 2009 e EN 60079 31 2009 II 2 G Ex d mb IIC T6 Gb II 2 D Ex mb tb IIIC T80 C Db KEMA 02ATEX2337X Iss 2 DEKRA Certification BV Meander 1051 6825 MJ Arnhem NL NoBo 0344 e EN 61326 1 2006 Class A Table 2 Industrial Locations e EN 61326 2 3 2006 e EN 61010 1 2010 Over voltage Category Il Pollution Degree 2 following the provisions of Directives 2004 108 EC EMC 2006 95 EC Low Voltage and 94 9 EC ATEX The units listed above and any ancillary equipment supplied with them do not bear CE marking for the Pressure Equipment Directive as they attach to the outside of the pipe and are not exposed to the process pressure pot Ry Shannon June 2014 Issued Niall Ross Certifications Engineer TR CE TUV Customer Support Centers U S A The Boston C
36. nt loosening due to vibration and thermal expansions Locking Nut Side View What s Next The next series of steps depends on what type of dampening material you are using If you are using e PDJ proceed to What s Next on page 41 e DMP 1 proceed to the next section on the following page e DMP 3 proceed to page 41 38 C RL Installation Guide 4 4h Installing DMP 1 Dampening Material 1 Approximate the distance D from one transducer to the other transducer as shown below 2 Lay out flat the first strip of dampening material Using a utility knife cut a strip of a width equal to the distance between transducers the distance illustrated in the figure above Peel back a small part of the paper backing Do not completely remove the paper backing 3 Use a dry towel or rag and dry the pipe IMPORTANT The dampening material will only adhere to the pipe correctly if the pipe is completely dry 4 Wrap this strip around the pipe in the space between the transducers peeling the paper backing off as you go 5 Lay out flat the second strip of dampening material Then cut the strip into two equal pieces each 4 5 in 12 cm wide Peel back a small part of the paper backing on each strip Do not completely remove the paper backing C RL Installation Guide 39 44h Installing DMP 1 Dampening Material cont 6 Make sure the pipe is dry then wrap each of these strips around the
37. ompound 52 2552 so eat he edo Sad eased eee Daten Ras eatan Sian 17 4 3f Applying the Pipe Dampening Jacket PDJ 2 0 0 ccc cence cent n tenes 19 4 3g Mounting the Transducers 28 F3 atchaanuigldate oa 3 0 4 Ge ona RUNG ae ae ob errena rreren reren 21 4 4 Installing the PI Fixture and Transducers icnncrecwscotpemewacdesesvenesauelseevewseans bs 24 4 4a Tools and Equipment Needed n anan aa nannu ununure eave eae Aaa eae 24 AAD Preparing the Pipe nisn esninn nice cree este wie a a a Rec Silt a a a a Wasa Tae 25 Ahe Suweng the PDE rretra EE E E a E S EE EEN 26 4 4d Applying the Pipe Dampening Jacket PDS 26 ccc cence cent ee es 29 AAS WHS tollinig the First Mounting BIOCK ees cig et ac aan Serie a mrs cate ae ies ica tans 30 4 4f Installing the Second Mounting Block chad cacao d Blu trea eel aienteea Paes shal ont Se 33 4 4g Mounting the Transducers 6 auiam d5 seen ate peers wang yatn bee len shea bout bb olin He Hes Set WH 36 4 4h Installing DMP 1 Dampening Material i c 5 gs4 90 eveuds he swonaliorbeayeddecseds kei eel es 39 44i Applying DN P25 COMPUNE 6053 etre liek ana ate neh eal ache etaniea 8 ieee iE hae hea A 41 4 5 M intenaNCE sv ksen a tute teats ck meee nansea aa Meant E 42 AGr SPS CINCO IS erae a ay ae cid cca s pth yatta a E cay deat Deeaeer ts 43 Special Conditions for Safe Use 3 c puileto side ad Red dee dened bind renra aranne rrer sns acemea Meeks 2 EU EEA Installation Compliance 0 sscnau Sides ode dung udd
38. ote As the dampening material dries out over several hours after installation its effectiveness increases Tighten in sequence C RL Installation Guide 29 4 4e Installing the First Mounting Block Note The PDJ is not shown in the following illustrations 1 Loosen the wing nuts up to the end of the J hooks on both of the mounting blocks If the mounting blocks have straps no action is required Loosen Wing Nuts Side View 2 Take one of the mounting blocks and line up one edge of the mounting block so it is centered over the origin line and the front edge of the mounting edge lines up with the circumferential line Circumferential Line Origin Line PA cha i 3 Carefully wrap the chain or strap around the pipe taking care not to twist it Hook the chain into the J hook If you are using a strap insert the J hook into the smaller round holes on the strap Front Edge of Mounting Block Circumferential Line Origin Line Front Edge of Mounting Block 30 C RL Installation Guide 44e Installing the First Mounting Block cont 4 Tighten the chain or strap around the pipe so the mounting block can be moved for adjustments but not so loose that it will move without being touched 5 A transducer dummy block is shipped with the PI fixture to ensure the mounting blocks are properly aligned on the pipe Insert the dummy block into the mounting block so the front edge of
39. ousing with a plastic wedge attached and a BNC type electrical connector The transducer features integral 3 4 NPT M threads for mounting a junction box and integral 5 8 24 threads for mounting a submersible connector if desired see Figure 1 below Plastic Wedge Figure 1 Transducer Assembly ref dwg 752 163 C RL Installation Guide 1 3 Dampening Material GE Measurement amp Control strongly recommends applying DMP dampening material in all permanent clamp on applications to help eliminate noise The following dampening materials are available e The DMP 1 self adhesive sheet for applications up to 200 F 93 C The material comes as two 9 5 in 24 cm wide sheets cut in sufficient length for your application Length twice the circumference of the pipe at the installation site The DMP 3 is a compound for applications over 150 F 65 C The compound is applied to the pipe with a putty knife Pipe Dampening Jacket PDJ is a sheath jacket with DMP 3 pre applied to the inside and is also used for applications over 150 F 65 C The PDJ is available for pipes 4 6 8 10 and 12 100 150 200 250 and 300 mm in diameter At a minimum you should consider applying dampening material if you have any of the following conditions The distance from the nearest butt weld or pipe flange is less than 10 ft 3 m The pipe size is under 16 in 400 mm diameter and the gas pr
40. t s Next You have completed installing the V Series Clamping Fixture and transducers You should do all of the following Refer to the installation section of your flowmeter User s Manual or Startup Guide to make transducer connections The cables shall be secured close to the junction boxes so as to prevent twisting and pulling e Make a note of the installation date and set a schedule for periodic inspection and tightening of clamping fixture nuts to ensure clamping fixture does not become loose and fall possibly causing injury e Once the flowmeter is up and running measure the signal strength of each transducer using the flowmeter s diagnostics menu and make a note of it This value will be helpful when making periodic checks Refer to your User s Manual or Startup Guide for more details C RL Installation Guide 23 4 4 Installing the PI Fixture and Transducers The PI clamping fixture is used for pipes from 6 to 30 in 150 to 750 mm in diameter It consists of two mounting blocks and comes with either a chain temporary or strap permanent depending on the application Installing the PI clamping fixture and transducers requires the following Preparing the Pipe Surveying the Pipe Applying the Dampening Material Installing the Fixture e Mounting the Transducer Refer to the following section to properly prepare for installation 44a Tools and Equipment Needed Installing the fixture and transdu
41. tallation gt gt Auxiliary Equipment Local Safety Standards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety Working Area WARNING Auxiliary equipment may have both manual and automatic modes of operation As equipment can move suddenly and without warning do not enter the work cell of this equipment during automatic operation and do not enter the work envelope of this equipment during manual operation If you do serious injury can result WARNING Make sure that power to the auxiliary equipment is turned OFF and locked out before you perform maintenance procedures on the equipment gt gt C RL Installation Guide v Preface Qualification of Personnel Make sure that all personnel have manufacturer approved training applicable to the auxiliary equipment Personal Safety Equipment Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment Examples include safety glasses protective headgear safety shoes etc Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment Environmental Compliance Waste Electrical and Electronic Equipment WEEE Directive GE Measurement amp Control is an active participant in Europe s Waste Electrical and Electronic Equipment WEEE take back initiative directive 20
42. tion hazard protect the transducer from impact or friction In particular the transducer must be installed so that the face of the transducer is towards the process protecting the face from impact The apparatus must be securely attached to the site of the flow measurement The transducer assembly must be attached to the pipe as detailed in the user manual For horizontal pipe runs the transducers shall be mounted in the horizontal plane The transducer shall not be mounted on top of the pipe All NPT joints shall be made up wrench tight suggested minimum torque is 40 Ibf ft 54 N m Before installation check that the transducer and enclosure are firmly locked together Measures must be taken to ensure a good electrical contact and to prevent the threads from self loosening An inspection of the joint should be added to the routine maintenance schedule To avoid electrical shock the transducer must be mounted to a metal electrically grounded pipe system A cable lug shall be used for all connections to the enclosure s earth points Each enclosure cover is fitted with a locking device This device must be loosened before opening the cover It must be tightened after the cover is replaced so as to preserve the protection provided by the enclosure Access to the circuitry must not be made during operation the apparatus should be de energized before opening Modifications to the flameproof enclosure are not permitted 1100 Technology Park Drive
Download Pdf Manuals
Related Search