T8 Transducer Installation Guide 2 MB
Contents
1. Figure 30 Removing the Hydraulic Cylinder 3 Unscrew and remove the connector protector see Figure 30 above Note Disconnecting the hydraulic pump at the quick disconnect pipe coupler simplifies the hydraulic cylinder removal 22 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 8 Removing the Hydraulic Cylinder cont 4 Attach the pipe adapter to the 1 2 NPT thread of the transducer and then attach the junction box to the pipe adapter Use a wrench on the flats of the transducer body to prevent transducer rotation when installing the junction box see Figure 31 below Junction Box no i Coaxial Cable Pipe Adapter Flats for Wrench Figure 31 Installing the Junction Box and Transducer Cable 5 Connect a coaxial cable to the transducer to complete the installation for this port see Figure 31 above Note Usea junction box with a straight through hub when submersible waterproof cable is connected to the transducer 6 Connect the transducer to your flowmeter el2. Lead Figure 45 Checking the Insertion Depth Marker 8 Make sure the piston of the hydraulic cylinder is still applying positive pressure to the connector protector see Figure 46 below Then evenly loosen the screws in the locking collar just enough to free the collar from the transducer shaft _ _ Make sure pressure is still applied Evenly loosen locking collar screws 6 Figure 46 Loosening Locking Collar Screws Model T8 Installation Guide 37 Chapter 3 Removing the Transducers 3 3 Removing the Transducer cont Refer to Figure 47 below and continue as follows 9 After the locking collar is loose very slowly turn the side knob of the hydraulic pump counterclockwise to release the pressure and allow the transducer to slowly slide out of the flange 10 After the transducer head is completely retracted inside the LPA turn the 2 in flanged ball valve to its closed position Proceed to the next section to complete the removal procedure Loosen side knob counterclockwise When transducer is retracted close ball valve Figure 47 Releasing the Pressure 38 Model T8 Installation Guide Chapter 3 Removing the Transducer
3. Pipe Wall Thickness _ y A Figure 17 Measuring the A Dimension LL Model T8 Installation Guide 11 Chapter 1 Installing the Transducers 1 3 4 Positioning the Transducer cont 8 Mark the insertion distance on the shaft of the transducer using one layer of colored electrical tape around the circumference so that the ends overlap see Figure 18 below Alternatively apply any mark that is waterproof and easily identifiable Insertion Depth Marker Use this Edge bottom edge of tape Insertion Distance Valve Closed Insertion Distance I A W C DD Figure 18 Marking the Insertion Distance 9 Repeat steps 1 through 8 to position the other transducer in the other port 12 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 5 Attaching the Hydraulic Cylinder The next step in the transducer installation process is to attach the hydraulic cylinder to one of the transducer ports 1 Install the connector protector on the 1 2 NPT thread of the transducer shaft until it is finger tight see Figure 19 below Connector Protector ee Transducer Shaft Connector Protector
4. Hom Fow Fully Retracted Transducer Head Figure 13 Transducer Head Fully Retracted 3 Rotate the transducer barrel until the transducer face points in the general direction of the other port Then tighten the locking collar screws with a torque wrench to fasten the transducer in place Use the maximum torque shown in Figure 14 below but do not overtighten the screws Alternate the tightening sequence of the six screws to properly seat the locking collar IMPORTANT The long flat or the flat marked F is in line with the transducer face see Figure 14 below To aid the installation make a mark on the flange indicating the direction of the transducer face Locking Collar Detail T lew gt 1 4 20 x 1 375 LG SOC HD SCREW 2 Max Torque 5 ft lb 6 8 N m oO Transducer ead Lo 10 32 X 3 4 SOC HD SCREW 4 max Torque 3 75 ft lb 5 N m Long Flat or Flat Marked a Use the transducer barrel to rotate the transducer head in the general direction of the other port This Mark Indicates the Transducer Face Direction Figure 14 Rotating the Transducer Barrel Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 4 Positionin
5. After both transducers are installed and the hydraulic cylinder has been stored proceed to the next chapter to align your T8 transducers 26 Model T8 Installation Guide Chapter 2 Aligning the Transducers Chapter 2 Aligning the Transducers 2 1 Introduction After you finish installing the T8 transducers as described in the previous chapter you must fine tune the transducer alignment using the procedures in this chapter IMPORTANT Alignment is not necessary for the T8 transducer with a 180 head Skip this chapter 2 2 Preparing for Transducer Alignment To prepare for alignment of the T8 transducers complete the following steps 1 Make sure the flowmeter electronics console is powered ON and that the transducers are properly connected to the flowmeter From the Diagnostic menu on the flowmeter display the transducer signal strength on the electronics console If necessary refer to your flowmeter Service Manual for instructions As described in your flowmeter Service Manual connect an oscilloscope to the transducer terminals Find the signal strength quality and amplitude limits in the troubleshooting diagnostics section of the flowmeter Service Manual You will need to know these limits to complete the alignment procedure Model T8 Installation Guide 27 Chapter 2 Aligning the Transducers 2 3 Aligning the Transducers To align the T8 transducers complete the following steps
6. Figure 3 Welding the Nozzles with Flanges to the Pipe 5 Inspect the flange gaskets They must not be previously used warped pitted or scratched 6 Place one gasket on the top of each pipe nozzle flange as shown in Figure 4 below la Pipe Nozzle Flange VELLA Figure 4 Placing a Gasket on a Pipe Nozzle Flange 4 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 2 Locating and Welding the Transducer Ports cont 7 Bolt a2 in flanged full port ball valve to each nozzle see Figure 5 below Be sure to use a new flange gasket for each valve Ball Valve Figure 5 Mounting a Ball Valve onto the Flange 1 3 3 Hot Tapping the Ports WARNING Hot tapping should only be performed by qualified personnel Follow all applicable code and safety practices during these procedures IMPORTANT Refer to the manufacturer s instructions for your hot tapping mechanism for more detailed procedures 1 Inspect the flange gaskets They must not be previously used warped pitted or scratched 2 Place a new gasket on the top of the ball valve flange as shown in Figure 6 below Ball Valve Flange Gasket eee 7 o Figure 6 Placing a Gasket on the Ball Valve Flange Model T8 Installat
7. Unacceptable 30 Acceptable Signal Quality Figure 39 Observing the Signal Strength Model T8 Installation Guide Chapter 2 Aligning the Transducers 2 3 Aligning the Transducers cont Refer to Figure 40 below and continue the alignment procedure as follows 6 After adjusting the transducers for the highest signal strength and the best signal quality reinstall the two 1 4 20 screws at each transducer port and secure the locking collar by tightening the screws with a torque wrench Use a maximum torque of 3 75 ft lb 5 N m on the four 10 32 screws and 5 ft lb 6 8 N m on the two 1 4 20 screws Alternate the tightening sequence of the six screws to properly seat the locking collar 7 Ifnecessary re tighten the junction box to the pipe adapter Be sure to use a wrench on the transducer flats to prevent the transducer from rotating during re tightening of the junction box You have now completed the transducer alignment procedure 1 4 20 x 1 375 LG SOC HD SCREW 2 Max Torque 5 ft lb 6 8 N m 10 32 X 3 4 SOC HD SCREW 4 Max Torque 3 75 ft lb 5 N m Figure 40 Completing the Transducer Alignment Procedure Model T8 Installation Guide 31 Chapter 2 Aligning the Transducers no content intended for this page 32 Model T8 Installation Guide Chap
8. 1 At each transducer installation point refer to Figure 37 below and verify that e The safety alignment collar and the cover for the safety collar are firmly against the safety plate e The screws on the safety alignment collar are tightened to the appropriate torque e Fach transducer is positioned at the correct insertion depth The transducer face points directly toward the other transducer check the flat and the flange mark 1 4 28 x 5 8 Socket Head Screws Max Torque 9 17 ft lb 12 4 N m g Z Safety Plate n L y 1 ch TATA 1 4 20 x 3 8 Set Screws Pg m Collars are butting Max Torque 5 ft lb 6 8 N m against safety plate ETN ett Correct Insertion Depth Transducer Direction Mark This transducer faces opposite transducer Figure 37 Aligning the Transducers 28 Model T8 Installation Guide Chapter 2 Aligning the Transducers 2 3 Aligning the Transducers cont 2 Ateach transducer port evenly loosen the two 1 4 20 screws and the four 10 32 screws just enough to free the locking collar from the transducer shaft see Figure 38 below If the locking collar will not come loose remove the 1 4 20 screws completely D Transducer aeee F
9. A J lic all Loosen 6 Locking Collar Screws sill ZIZA SX A Model T8 Installation Guide Figure 38 Freeing the Locking Collar 29 Chapter 2 Aligning the Transducers 2 3 Aligning the Transducers cont Refer to Figure 39 below and continue the alignment procedure as follows A 3 Position a wrench on the transducer flats see Figure 38 on page 29 and rotate the transducer about one degree clockwise or counterclockwise Observe the signal strength displayed on the flowmeter console for at least two or three readings or observe the receive signal on the oscilloscope 4 Rotate the other transducer about one degree clockwise or counterclockwise Observe the signal strength displayed on the flowmeter console for at least two or three readings or observe the receive signal on the oscilloscope 5 Alternately rotate the two transducers until the signal strength signal amplitude and the signal quality are optimized IMPORTANT You can only observe the signal quality with an oscilloscope If you do not have an oscilloscope adjust the transducers to obtain the highest signal strength 1st Packet 2nd Packet il N PPA Ae a t Il I
10. re Figure 19 Installing the Connector Protector Model T8 Installation Guide 13 Chapter 1 Installing the Transducers 1 3 5 Attaching the Hydraulic Cylinder cont 2 Refer to Figure 20 below and attach the hydraulic cylinder to the four studs of the LPA with four 3 8 16 hex nuts Tighten the nuts to a maximum torque of 19 ft lb 25 N m IMPORTANT Jf the piston of the hydraulic cylinder touches the connector protector before the hydraulic cylinder can seat properly onto the studs remove the hydraulic cylinder from the LPA Connect the hydraulic pump to the hydraulic cylinder and refer to Resetting or Storing the Hydraulic Cylinder on page 24 to move the piston to the appropriate position Hydraulic Cylinder 3 8 16 Hex Nuts 4 Max Torque 19 ft lb 25 N m Valve Hi Valve Closed J i Lo Closed oo a H Figure 20 Attaching the Hydraulic Cylinder 14 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 5 Attaching the Hydraulic Cylinder cont 3 Refer to Figure 21 below an
11. You have completed the removal procedure for this transducer If necessary repeat the process to remove the other transducer After both transducers have been removed properly store the hydraulic cylinder for future use 40 Quick Disconnect Hydraulic Cylinder Connector Protector 4 _LPA Transducer H L Figure 49 Removing the Hydraulic Cylinder Model T8 Installation Guide Chapter 4 Specifications Chapter 4 Specifications 4 1 T8 Transducer Physical Specifications Applications High Pressure Applications with anInsertion Retraction Mechanism Natural Gas Installation Type Wetted Material Titanium Field Mounting Flowcell Hot Tap or Cold Tap Process Connection Flanged 2 in 50 mm Holder Type High Pressure Insertion Mechanism Holder Ratings 150 300 600 900 Operating Frequency 100 kHz Pressure Range 0 to 2700 psig Electrical Rating 200 V peak to peak 5 mA Ambient Temperature Range Europe 40 F to 140 F 40 C to 60 C North America 4 F to 140 F 20 C to 60 C Process Temperature Range 58 F to 302 F 50 C to 150 C 4 2 T8 Transducer Certifications North American Class I Division 1 Group C D Explosion proof S C US European International amp II 2 G Ex d IC T6 60 C Flameproof Tamb 40 to 60 F 40 to 140 C K
12. Certification and Safety Statements document at the end of this manual before beginning the installation 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 Model T8 Installation Guide iil 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 Solutions is an acti
13. Chapter 3 Removing the Transducers 3 3 Removing the Transducer cont Refer to Figure 44 below and continue as follows 4 Use an Allen wrench to remove the set screw from the safety alignment collar 5 Evenly loosen the two 1 4 28 x 5 8 socket head cap screws with an Allen wrench just enough to slide the safety alignment collar out of the cover 6 Remove the alignment collar from the transducer by removing the two 1 4 28 x 5 8 socket head cap screws Note Alternatively you may mark the spot with a waterproof pen 1 4 28 x 5 8 Socket Head Cap Screws Remove screws and then remove collar Remove 1 4 20 x 3 8 Set Screw Figure 44 Removing the Alignment Collar 36 Model T8 Installation Guide Chapter 3 Removing the Transducers 3 3 Removing the Transducer cont 7 Refer to Figure 45 below and check the condition of the insertion depth marker If it was erased or otherwise damaged replace the marker with one layer of colored electrical tape around the transducer circumference until the ends overlap Place the edge of the tape against the edge of the locking collar Insertion Depth Marker The edge of the tape and the locking collar meet here
14. Unbolt the hot tapping mechanism from the ball valve and remove the mechanism from the port see Figure 11 below Remove Hot Tapping Mechanism Flanged Ball Valve Valve Closed J XI N VILLLILLLL LLL Figure 11 Removing the Mechanism from the Port 8 Repeat steps 1 through 7 to hot tap the other port 1 3 4 Positioning the Transducer Complete the steps in this section to position the T8 transducer in the hot tapped port Note Keep the cover for the safety collar loosely around the transducer to allow for proper alignment 1 Measure the transducer length DD from the center of the transducer head to the end of the BNC connector DD Center of the Transducer Head to the End of the BNC Connector cH Figure 12 Measuring the Transducer Length 8 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 4 Positioning the Transducer cont 2 Make sure the transducer head is fully retracted into the Low Pressure Assembly LPA If the transducer is not fully retracted loosen all the screws of the locking collar and manually retract the transducer into the LPA see Figure 13 below Locking Collar Detail wes 1 4 20 x 1 375 LG SOC HD SCREW 2 099 exe gt ae x 3 4 SOC HD SCREW 4
15. knob of the hydraulic pump counterclockwise to release the oil pressure see Figure 34 below Turn side knob counterclockwise Figure 34 Releasing the Oil Pressure 4 Hold the cylinder with one hand and push the rod with the other hand until the piston bottoms out inside the cylinder see Figure 35 below Hold here with other hand Push Rod oe Hold here with one hand Figure 35 Pushing the Rod into the Cylinder 5 Do one of the following e Ifyou are ready to insert a transducer into a port proceed to the appropriate section of this chapter e Ifyou have already installed both transducers proceed to step 6 on the next page Model T8 Installation Guide 25 Chapter 1 Installing the Transducers 1 4 Resetting or Storing the Hydraulic Cylinder cont 6 Position the 0 28 in diameter hole of the push rod to align with the 0 28 in diameter hole of the push rod guide Then push the safety pin through the holes to secure the cylinder push rod and push rod guide assembly see Figure 36 below Safety Pin Align holes here ra NX Push or WF Push Rod Guide Safety Pin N J C Push wy n Hydaulic Cylinder Figure 36 Aligning the Push Rod and Guide
16. lt 25 A A Kokoak Billerica January 2014 Issued Mr Gary Kozinski Certification amp Standards Lead Engineer m CE TUV no content intended for this page Customer Support Centers U S A The Boston Center 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 916 075 Rev D
17. nuts see Figure 42 below Tighten the four 3 8 16 stainless steel hex nuts to a maximum torque of 19 ft lb 25 N m Note Disconnecting the hydraulic pump at the quick disconnect will simplify attaching the hydraulic cylinder Quick Disconnect 3 8 16 Hex Nuts 4 Max Torque 19 ft lb 25 N m Figure 42 Attaching the Hydraulic Cylinder 34 Model T8 Installation Guide Chapter 3 Removing the Transducers 3 3 Removing the Transducer After attaching the hydraulic cylinder refer to Figure 43 below and complete the following steps 1 To prepare for pumping rotate the side knob of the hydraulic pump clockwise to tighten it 2 Slowly pump the handle of the pump to bring the piston into contact with the connector protector When you feel resistance stop pumping the handle The resistance indicates that the piston is touching the connector protector 3 Verify that the hydraulics are engaged and that the transducer shaft has pressure applied as indicated by a feeling of resistance when the pump handle is pumped Tighten side knob clockwise Pump Handle Stop pumping when Piston touching you feel resistance i connector protector Figure 43 Pumping to Move the Piston Model T8 Installation Guide 35
18. under our sole responsibility that the Models T3 T5 T8 T11 T14 and T17 Wetted Ultrasonic Flow Transducers Series BWT1 F PA XAMP Ultrasonic Flowmeter Transducer Assembly to which this declaration relates are in conformity with the following standards e EN 60079 0 2012 e EN 60079 1 2007 e 2 G Exd IIC T6 615 C Gb T3 KEMAOGATEX0052 T5 KEMAO1ATEX2045X T8 KEMAO2ATEX2283x T11 KEMAO2ATEX2252 T14 KEMAO4ATEX2054X T17 KEMAO1ATEX2045xX Series BWT1 F PA XAMP KEMAO1ATEX2051X IEC Ex KEM09 0010X DEKRA Ultrechtseweg 310 Arnhem The Netherlands NoBo 0344 N 61326 1 2006 Class A Table 2 Industrial Locations e EN 61326 2 3 2006 e EN 61010 1 2012 Overvoltage Category m Other standards used e EN 50014 1997 A1 A2 e EN 50018 2000 following the provisions of the 2004 108 EC EMC and 94 9 EC ATEX Directives Where products were initially assessed for compliance with the Essential Health and Safety Requirements of the ATEX Directive 94 9 EC using earlier harmonized standards a subsequent review has determined that technical knowledge is unaffected by the current harmonized standards listed above The units listed above and any ancillary equipment supplied with them do not bear CE marking for the Pressure Equipment Directive They are supplied in accordance with Article 3 Section 3 Sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN
19. 10 32 x 3 4 socket head screws and two 1 4 20 x 1 3 8 socket head screws on the locking collar see Figure 23 below Evenly loosen these screws just enough so that the transducer can move freely Locking Collar Detail N L 114 20 x 1 375 LG SOC HD SCREW 2 Dy 2 L 10 32 X 3 4 SOC HD SCREW 4 LPA Purge Valve Closed Closed Figure 23 Loosening the Socket Head Screws 4 Before opening the ball valve do the following e Make sure the LPA purge valve see Figure 23 above is in the Closed position e Verify that the hydraulics are engaged and the transducer shaft has pressure applied there should be resistance when the pump handle is pumped WARNING Make sure you perform the above checks before opening the ball valve otherwise personal injury or damage to the equipment may occur Model T8 Installation Guide 17 Chapter 1 Installing the Transducers 1 3 6 Inserting the Transducer cont 5 Slowly open the 2 in ball valve and check for gas leaks e Ifyou discover any leaks close the ball valve and fix the leaks e Ifyou do not detect any leaks proceed to the next step 6 See Figure 24 below and slowly pump the hydraulic pump handle until the transducer moves to the pre marked insertion depth as indicated by the edge of the electrica
20. EMA02ATEX2283X North American IP66 TYPE 4X 200Vpp 5mA Weatherproof A A i Cc US European International IP 66 Weatherproof Model T8 Installation Guide 41 Chapter 4 Specifications no content intended for this page 42 Model T8 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 one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE 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 If a GE Sensing instrum
21. GE Measurement amp Control Flow Model T8 Ultrasonic Flow Transducer Installation Guide F 916 075 Rev D imagination at work eon GE Measurement amp Control Model T8 Ultrasonic Flow Transducer Installation Guide 916 075 Rev D November 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 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
22. d attach the hose of the hydraulic pump to the hydraulic cylinder at the pipe coupler Note The 2 in ball valve should be closed and the locking collar should be tightly secured to the transducer shaft Pipe Coupler ea Hydraulic Cylinder Hydraulic Pump Locking Collar Tightly Secured Valve Closed Z Figure 21 Attaching the Hydraulic Pump Model T8 Installation Guide 15 Chapter 1 Installing the Transducers 1 3 6 Inserting the Transducer After attaching the hydraulic cylinder you are now ready to insert the T8 transducer 1 To prepare for pumping rotate the side knob of the hydraulic pump clockwise to tighten it see Figure 22 below 2 Slowly pump the handle of the pump until you feel resistance then stop pumping The resistance indicates that the piston is applying pressure to the transducer Piston Touching Connector Protector Tighten Side Knob Clockwise 7 Pump Handle aL Stop pumping when you feel resistance Figure 22 Tightening the Hydraulic Pump Side Knob 16 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 6 Inserting the Transducer cont 3 There are four
23. ectronics console as described in the flowmeter User s Manual Repeat the procedures described in this chapter to install the second T8 transducer After both transducers have been installed proceed to the next section Model T8 Installation Guide 23 Chapter 1 Installing the Transducers 1 4 Resetting or Storing the Hydraulic Cylinder To prepare the hydraulic cylinder for its next use or for storage you must retract the piston 1 Remove the safety pin and attach the guide for the push rod to the hydraulic cylinder with four 3 8 16 hex nuts see Figure 32 below Save the safety pin for future use Remove Safety Pin 1 aN g Push Rod Guide Attach with 3 8 16 Hex Nuts 4 Figure 32 Retracting the Piston 2 If it was previously removed re attach the hydraulic pump to the hydraulic cylinder at the pipe coupler see Figure 33 below Hydraulic Pump __ Br Hydraulic Cylinder ra Figure 33 Reattaching the Hydraulic Pump 24 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 4 Resetting or Storing the Hydraulic Cylinder cont 3 Turn the side
24. ent 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 e If the damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If GE 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 Model T8 Installation Guide 43 Warranty no content intended for this page 44 Model T8 Installation Guide GE DECLARATION Sensing OF CONFORMITY DOC 0028 Rev G We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare
25. erd a cdc acoustical ele ie beg Cereb ch ecand O 2 1 3 2 Locating and Welding the Transducer Ports i 214 lt 4 cus lect hdd cur eacnae aoe Ra ea ewes 2 133 HOP TEP OING THe PO Nts hs chats Aes cielo ha a See ln teat pilin bales Chae MO a etek ke ola i tcp CeO 5 DAA Positioning the TROASAMCET sot tect nate et Sets a ee tle a alt ihe ke a os ee a les 8 1 3 5 Attaching the Hydraulic CulhAcer si 0s etek festa eoek fate iawint ask e fel dae eden ema oea ee 13 TS 2 nern ANS TOnSCUCEE a tic sacete bbe oinsdsten ata a tte coc ees ole A ASS 16 1 3 7 Adjusting the Safety Alignment Collar 0 0 n ence cence teen eee rnn 19 1 3 8 Removing the Hydraulic Cylinder s n na ae AAA ate a oa RN ot ae Ae kt ot les 21 1 4 Resetting or Storing the Hydraulic Cylinders 2604 ctl ho eA eal ae hl oe 24 Chapter 2 Aligning the Transducers Zale UPRROCUCHON 6 pai markere 6 oherk era s aE ata eta se p aly ata lata gra Ae a nata ale a 43 antag emcee Bede 27 22 Preparing for Transaucer Alignment 351s sewkde ees eee tee ea a eden id le hee meme res 27 25 Aligning the Transducers x 2 eane Aleck tae a GAS a beeen ack bs heck TETERE 28 Chapter 3 Removing the Transducers ele NIMEROCUREMORS nn bet ait Cet kA in ee kee ne SD ee lin oe neta NS ara erie Meal a Matin Pater 33 5 2 sAttaching the Hydraulic Cylinder sessir leia ain ee a E A i Ulett oe eal tk el a 33 3 3 REMOVING th TranSdUCE cuca istvras nettle te winter EEE EE AE ae ea AAEE PT E A 35 34 D
26. g the Transducer cont 4 Inspect the flange gaskets They must not be previously used warped pitted or scratched 5 Place a new gasket on the top of the ball valve flange see Figure 15 below Ball Valve Flange Mow Gaskoia i 1 SEn Valve Closed Figure 15 Placing a New Gasket on the Flange 6 Bolt the LPA mechanism to the 2 in flanged ball valve as shown in Figure 16 below Figure 16 Bolting the LPA Mechanism to the Ball Valve 10 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 4 Positioning the Transducer cont 7 Measure the A dimension which is the distance from the outside surface of the pipe wall to the end of the BNC connector on the transducer see Figure 17 below Then calculate the insertion distance 1 by using the following equation A W C DD where A distance from the pipe wall to the end of the BNC connector on the transducer W pipe wall thickness C 0 325 in a constant DD distance from the center of the transducer head to the end of the BNC connector as measured in step 1
27. gnment Collar for Installation 3 Using the socket head cap screws loosely attach the safety alignment collar to the barrel of the transducer see Figure 26 below Transducer Small Diameter Slot Safety Fh Fy ULU Alignment Collar nN win Cover for Safety Collar 1 4 20 X 5 8 Socket Head Cap Screws Figure 26 Attaching the Collar to the Transducer Barrel Model T8 Installation Guide 19 Chapter 1 Installing the Transducers 1 3 7 Adjusting the Safety Alignment Collar cont 4 Slide the safety alignment collar into the safety collar cover and position both collars so that they are touching the safety plate see Figure 27 below Note Jfnecessary adjust the height of both screws on the safety collar cover to allow the safety alignment collar to fit into it 1 4 28 x 5 8 Socket Screws ee Safety Plate Safety i Alignment tt Safety Collar Cover Collar 1 4 20 x 5 8 Socket Head Cap Screws lt Figure 27 Positioning the Safety Alignment Collar 5 Secure the safety alignment collar by tightening the two 1 4 28 x 5 8 socket head screws with an Allen wrench Then install the set screw in the threaded hole of the safety adjustment collar see Figure 28 below 1 4 28 x 5 8 Socket Head Screws ll 1 4 20
28. ion Guide 5 Chapter 1 Installing the Transducers 1 3 3 Hot Tapping the Ports cont 3 Bolt the hot tapping mechanism to the 2 in flanged ball valve as shown in Figure 7 below Hot Tapping Mechanism Wee Flanged Ball Valve LLALELLLLLELLL Figure 7 Securing the Hot Tapping Mechanism 4 Make sure the ball valve is fully open see Figure 8 below Open Valve Figure 8 Checking the Open Valve 6 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 3 Hot Tapping the Ports cont 5 Drill a 1 75 in diameter hole through the pipe wall as shown in Figure 9 below A Recommended D 1 75 to 1 93 D 1 68 min to 2 067 max Figure 9 Drilling a Hole Through the Pipe Wall 6 Retract the drill bit of the hot tapping mechanism and close the ball valve see Figure 10 below Close Valve Figure 10 Closing the Ball Valve Model T8 Installation Guide 7 Chapter 1 Installing the Transducers 1 3 3 Hot Tapping the Ports cont 7
29. isconhecting the Hydraulie CyliNd r snc tale niie a E ans eee Ve ed DE 39 Chapter 4 Specifications 4 1 T8 Apansducer PAUSICUSPeCITICGONS ys 364202 conc hee BAS ok Cee SOS oh ee ee SOR Si ee rreren 41 a2 Te PRCA SCU CEES Ut MOMs aip e a parc wicca a Mga pea ae e ae a am ee cts a oe I Bas OES 41 Model T8 Installation Guide v Contents no content intended for this page vi Model T8 Installation Guide Chapter 1 Installing the Transducers Chapter 1 Installing the Transducers 1 1 Introduction The T8 Ultrasonic Flow Transducer is used exclusively with the GE Sensing line of ultrasonic flowmeters These transducers measure the flow rate of sonically conductive gases through pipes having diameters from 4 in 100 mm to 36 in 90 cm Such measurements are typically independent of the pipe material 1 2 Transducer Construction Each T8 transducer assembly see Figure 1 below consists of the following A metallic body with a 1 2 NPT male thread for attaching an electrical junction box A body flange that is welded or machined to the transducer body A transducer with a piezoelectric element mounted on a wedge and wired to a BNC style electrical connector A BNC style electrical connector for use in connecting the transducer to the flowmeter The T8 is available in various lengths from 12 in 30 cm to 72 in 180 cm Transducers BNC Connector Metallic Body I
30. l tape touching the edge of the locking collar You will feel resistance on the hydraulic pump handle as you insert the transducer against the line pressure I SB i pa Insert to Here OT 9 Q pa Ok 10 32 X 3 4 SOC HD SCREW 4 Max Torque 3 75 ft lb 5 N m 1 4 20 x 1 375 LG SOC HD SCREW 2 Max Torque 5 ft lb 6 8 N m Figure 24 Pumping the Hydraulic Pump Handle 7 Tighten the locking collar screws with a torque wrench to fasten the transducer in place Use the maximum torque listed in Figure 24 above but do not overtighten the screws Note Alternate the tightening sequence of the six screws to properly seat the locking collar 18 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 7 Adjusting the Safety Alignment Collar The next step in the transducer installation procedure is to adjust the safety alignment collar 1 Locate the safety alignment collar that was shipped with the T8 transducer 2 Use an Allen wrench to remove the two socket head cap screws and the set screw from the safety alignment collar see Figure 25 below Set Screw M Safety Alignment Socket Head Cap Screw Collar d Figure 25 Preparing the Safety Ali
31. mS Figure 1 T8 Transducer Assembly Model T8 Installation Guide 1 Chapter 1 Installing the Transducers 1 3 Installing T8 Transducers The pressure mechanism is a piston driven hydraulic pump used for inserting T8 transducers into pressurized pipelines To perform this procedure safely you must follow all the instructions in this chapter very carefully 1 3 1 Equipment Needed To properly install the T8 transducers you must provide the following items e Pipe marker e Spiral wound gaskets 6 e Adjustable torque wrench with a 3 75 19 ft lb 5 20 N m range and a socket drive e Standard and deep sockets e Hot tapping mechanism for use by qualified personnel only e Open end wrench e Oscilloscope 1 3 2 Locating and Welding the Transducer Ports To locate and weld the transducer ports complete the following steps 1 The variable H equals the distance between the center lines of the transducer ports see Figure 2 on page 3 To calculate the distance H use the following equation H 2 ID 0 325 e tan6 U where ID pipe inside diameter tan 6 tangent of transducer head angle U transducer centerline offset 0 155 for 8 30 or 0 067 for 0 45 Example To calculate the transducer port locations on a 30 in 75 cm pipe with a 0 40 in 1 mm wall thickness using a T8 transducer with a 30 head angle H 2 29 2 0 325 tan 30 0 155 34 40 in 2 For optimum performance
32. s 3 4 Disconnecting the Hydraulic Cylinder To remove the hydraulic cylinder refer to Figure 48 below and complete the following steps 1 Tighten the locking collar screws with a torque wrench to secure the transducer in place Use the maximum torque listed in Figure 48 above but do not overtighten the screws IMPORTANT Alternate the tightening sequence of the six screws to properly seat the locking collar 2 Open the purge valve to vent and release the gas pressure trapped inside the LPA O 3 Ow L 10 32 X 3 4 SOC HD SCREW 4 Max Torque 3 75 ft lb 5 N m 1 4 20 x 1 375 LG SOC HD SCREW 2 Max Torque 5 ft lb 6 8 N m Figure 48 Preparing to Remove the Hydraulic Cylinder Model T8 Installation Guide 39 Chapter 3 Removing the Transducers 3 4 Disconnecting the Hydraulic Cylinder cont Refer to Figure 49 below and continue as follows 1 2 3 4 Disconnect the hydraulic cylinder from the hydraulic pump at the quick disconnect Remove the four 3 8 16 hex nuts to detach the hydraulic cylinder from the four studs of the LPA Unbolt and remove the LPA transducer assembly from the 2 flanged ball valve Unscrew and remove the connector protector
33. select a port location that has at least 20 pipe diameters of straight undisturbed flow upstream and 10 pipe diameters of straight undisturbed flow downstream from the point of measurement Undisturbed flow means avoiding sources of turbulence such as valves flanges elbows avoiding swirl and avoiding irregular flow profiles 2 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 2 Locating and Welding the Transducer Ports cont 3 Using the calculated H value mark two crosshairs on the pipe where you intend to weld the transducer ports so that the distance between the two marks equals the H value see Figure 2 below IMPORTANT Port locations should NOT be located directly on the top or bottom of the pipe Place the ports at between 15 degrees and 90 degrees from the vertical plane of the pipe Transducer Port 0 15 min to 90 max Centerline Vertical Plane bs a Detail A Figure 2 Locating the Transducer Ports Model T8 Installation Guide 3 Chapter 1 Installing the Transducers 1 3 2 Locating and Welding the Transducer Ports cont WARNING Only qualified personnel should weld bosses and nozzles using a suitable ASME IX qualified welding procedure 4 Weld the 2 in schedule 80 nozzles with pipe flanges to the two marked locations on the pipe Be careful to maintain perpendicularity and parallelism as shown in Figure 3 below
34. ter 3 Removing the Transducers Chapter 3 Removing the Transducers 3 1 Introduction To safely remove the T8 transducers from the process line you must follow the instructions in this chapter very carefully WARNING Make sure the flowmeter power is disconnected before performing the procedures in this chapter 3 2 Attaching the Hydraulic Cylinder Begin the transducer removal process by referring to Figure 41 below and completing the following steps 1 Disconnect the coaxial cable from the transducer 2 Use a wrench on the flats of the pipe adapter to prevent it from rotating and remove the junction box from the pipe adapter Disconnect Pehl EaR Coaxial Cable Pipe Adapter Flats NS p a Transducer Flats Figure 41 Preparing to Remove a Transducer Model T8 Installation Guide 33 Chapter 3 Removing the Transducers 3 2 Attaching the Hydraulic Cylinder cont 3 Use a wrench on the flats of the transducer body to prevent the transducer from rotating and disconnect the pipe adapter 4 Place the connector protector onto the 1 2 NPT thread of the transducer shaft and finger tighten it 5 Attach the hydraulic cylinder to the four studs on the LPA using four 3 8 16 stainless steel
35. ve participant in Europe s Waste Electrical and Electronic Equipment WEEE take back initiative directive 2012 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 iv Model T8 Installation Guide Contents Chapter 1 Installing the Transducers aT SIRS i 018 18 c o g Pane ener ee Mee Le ete eee ee E en ea ee ee E E ee tee a arene eee NE er RR NET 1 lie STROMSCMCE FCORSURUC HON recs teen latest a choco a ieee hinbad eaten steed thede aes amp ane wee bathe tits A ake Ae at 1 1 3 installing AS TRONSAUCEE Sy p deta eagty esata stat en ar a ebay Slats eon keg vce BO ng a A lieve Wave phy a a alyle Orn ale es 2 T31 Eq ipment Neede dinen dome ee n
36. x 3 8 Set Screws Al Max Torque 5 ft lb 6 8 N m Figure 28 Securing the Safety Alignment Collar Max Torque 9 17 ft lb 12 4 N m 20 Model T8 Installation Guide Chapter 1 Installing the Transducers 1 3 8 Removing the Hydraulic Cylinder The final step in the T8 transducer installation process is the removal of the hydraulic cylinder from the port 1 Verify that the screws on the locking and safety alignment collars are tightened to the appropriate torque Then very slowly turn the side knob of the hydraulic pump counterclockwise to release the pressure of the hydraulic cylinder on the transducer shaft see Figure 29 below fl wy a CAIRN Slowly turn side knob counterclockwise to release pressure Verify screws are torqued Figure 29 Releasing the Hydraulic Cylinder Pressure Model T8 Installation Guide 21 Chapter 1 Installing the Transducers 1 3 8 Removing the Hydraulic Cylinder cont 2 See Figure 30 below and remove the hydraulic cylinder by unscrewing the four 3 8 16 stainless steel hex nuts Quick Disconnect TB ID pi al a Unscrew hex nuts and remove hydraulic cylinder
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