CLIF MOCK True-Cut C21-C22 V Isokinetic Sampler IOM
Contents
1. 8 1 50142200016 Assembly Stabilizer lt 4 2 50025402180 O Ring Viton 0 L 2 80025402183 O Ring Buna N 2 50142200013 Teflon Bal Seal 5 2 50142200009 ES AN B M 50142200058 Body Assembly Standard 1 50142200060 Thrust Isi Bearing Stainless Stee _ Stainless Steel 8 1 50142200061 Thrust Washer Teflon sd s Threaded C21 C22 V a Cam and Liner 50142207923 Assembly 0 1 50142208072 Carbide Thusi in Frog 19 1 50142200065 Assembly Piston Sree Seal 50142208085 Assembly Piston Teflon Seal oe 50142200026 Seal Tip Piston Viton 1 50142200033 Seal Tip Piston Buna N C21 C22 V Isokinetic Sampler 24 August 2004 Bill of Materials 1 50142200084 Seal Tip Piston Teflon LL Back up Piston Use w Teflon Seal Tip Only 50142208019 Valve Seat eet 1 Port L rsen Vat Seat C2 ee 50142200005 O Ring Viton a NN EC 0142200018 O Ring Buna N 2 50142200008 O Ring Teflon 26 1 50025400330 O Ring Vito 00 O 1 50025400333 O Ring Buna N 1 50142200006 O Ring Teflon O Z O Z 27 1 50142200001 O Ring Viton 0 O 1 50142200002 O Ring Buna 1 1 1 Items included in a seal kit Seal Kits Mem Qty PartNo Descipion 1 0 5012150716 C2. M7 NuFlo Clif Mock True Cut C21 622 V Isokinetic Sampler User Manual I MuFlo Measurement Systems A NuFlo Technologies Company Manual No 9104500143 Hev B O 2004 NuFlo Technologies Inc All information contained in this publication is confidential and proprietary property of NuFlo Technologies Inc Any reproduction or use of these instructions drawings or photographs without the express written permission of an officer of NuFlo Technologies Inc is forbidden All Rights Reserved Printed in the United States of America Manual No 99104500143 Rev B August 2004 pee UU 1 asc OM pe ae mat et legate 1 Operating the Sample Probe ccccceccccceeeeeceeeeceeeeseeeeeseeeeesesesseesesseeeesseeeesaeeneas 7 WIAINTC NANCE sit peni 7 RODA T TT UU TT 7 Removal OF Me SalMmple PIODG cde Usa tn I mentem GNU tU BELE HDI deus 7 Disassembly and Inspection of the Sample Probe sesusss 8 Reassembling the Sample Probe cccccccccseececeeececeeeeseeeeesseeeeseeeesaeeeesaees 11 Elastomer Seal Tip Replacement ccccccccseececeeseeceeeeseeeeesseeeeseeeeesaeeeesaees 14 Teflon Seal Tip Replacement 15 Retrofitting C21 C22 Standard Samplers with Spring Cup Assembly 20 zi Keim M 23 August 2004 i C21 C22 V Isokinetic Sampler Table of Conte
3. piston free of the cup If the slots in the cup are badly worn and or a buildup of metal is visible inside the cup the piston may have to be pried from the cup through the window in the cup carefully pry on one side of the piston and then on the other Because the piston and the cup are stainless steel they are easily damaged If both the piston and sample cup are damaged in the attempt to remove the piston replace both items c After removing the piston inspect the condition of the seal tip item 20 If it is an elastomer tip the elastomer should be resilient spherical in shape and free of grooves or cuts A Teflon tip should be cone shaped If the tips do not conform to the above description replace them Note Only the Teflon seal tip has a backup item 21 d Inspect the cup and seat for wear and flatness as follows First wash both the cup and the seat with solvent and wipe them dry with a lint free tissue or cloth Inspect the hardened sealing surfaces for scratches or nicks Holding the cup and the seat over the padded tabletop to prevent the seat from being damaged should it come loose and fall carefully slide the plated surfaces of the two parts together and lightly rotate The surfaces should feel very smooth if they do not clean inspect and try again increasing pressure while rotating e The proper flatness of the two surfaces should allow the two parts to stick together and this sticking action should support t
4. the end of the Teflon seal tip c Remove the carbide thrust pin from the piston assembly Do not disturb the Teflon seal tip and Teflon seal tip backing assembly 10 Before replacing the piston assembly back into the sample cup place a 1 8 in to 1 4 in pin through the window openings of the sample cup to prevent disturbing the Teflon seal tip and Teflon seal tip backing assembly 11 Place the piston item 19 in the sample cup item 11 so that the seal tip 1s aligned with the hole in the sample cup Insert the carbide thrust pin item 10 depress the spring loaded ball with a punch and simultaneously exert force on the pin until it passes the ball Remove the 1 8 in or 1 4 in dowel pin Note When ordering spare parts be sure to specify the serial number and model number of the sample probe Retrofitting C21 C22 V Standard Samplers with Spring Cup Assembly C21 C22 V sample probes manufactured since 1989 are designed with a spring cup assembly which prevents the dislocation of the valve seat during back flushing or when used in vacuum service C21 C22 V samplers manufactured before 1989 can be retrofitted to replace the standard thrust cup with the spring cup assembly Note The year of manufacture can be identified by the serial number stamped on the hex head of the C21 C22 V sample probe The first two digits signify the year Ex 90A1010 was manufactured in 1990 C21 C22 V Isokinetic Sampler 20 August 2004 To
5. through the window openings of the sample cup this will you from disturbing the Teflon seal tip and Teflon seal tip backing assembly 6 Place the piston item 19 into the sample cup item 11 so that the seal tip 1s aligned with the hole in the sample cup Insert the carbide thrust pin 1tem 10 depress the spring loaded ball with a punch and simultaneously exert force on the pin until it passes the ball 7 Seatthe Teflon seal tip in the sample cup hole as follows a August 2004 Hold the sample cup and piston assembly sample cup up in the palm of your hand 19 C21 C22 V Isokinetic Sampler b Use a 3 4 in O D x 5 in long wooden dowel pin to apply force to the piston assembly in the sample cup such that an indentation 1s created on the Teflon seal tip c Forcibly strike the opposite end of the dowel pin against a hard surface d Repeat step c if necessary to create the indentation on the Teflon seal tip Be careful not to scratch the coating on the bottom of the sample cup 8 Remove the carbide thrust pin and then the piston assembly from the sample cup being careful not to disturb the Teflon seal tip and Teflon seal tip backing assembly Observe the indentation of the Teflon seal tip made by step 6c 9 Remove the excess of the Teflon seal tip as follows Place the carbide thrust pin back on the piston b Use a razor or a very sharp knife to cut the excess of the Teflon seal tip between the indentation and
6. thrust pin 1tem 10 depress the spring loaded ball with a punch simultaneously exert force on the pin until it passes the ball Remove the 1 8 in or 1 4 1n dowel pin To replace an existing Teflon seal tip and backup with a new Teflon seal tip and backup perform the following steps 1 Remove the piston assembly item 19 P N 50142200065 from the sample cup Push the old seal tip and backup out through the top of the piston 2 3 Place the Teflon seal tip into the piston cone tip portion first and then backup 4 Shear the Teflon seal tip backing as follows a Insert the carbide thrust pin in the opposite side of the piston where the Teflon seal tip backing is inserted depress the spring loaded ball with a punch and simultaneously exert force on the pin until it passes the ball Continue to move the pin until it stops on the Teflon seal tip backing While holding the end of the Teflon seal tip backing and the piston between your thumb and index finger place the piston assembly between partially opened jaws of a vise While exerting force on the Teflon seal tip backing and the piston use a small hammer to strike the end of the carbide thrust pin until it shears the Teflon seal tip backing Remove the carbide thrust pin from the piston being careful not to disturb the Teflon seal tip and Teflon seal tip backing assembly 5 Before placing the piston assembly into the sample cup place a 1 8 in to 1 4 in pin
7. tube remove the screw item 28 and O ring item 27 to allow an opening for removing foreign material 17 Clean and inspect the inside of the body and cage for excessive wear especially in the area where the torque pin is located 18 Inspect all O rings for damage O rings should be pliable and free of nicks cuts and flat surfaces 19 Inspect all slipper seals and Teflon Bal seals for damage or deformity Reassembling the Sample Probe Important Always clean all O rings and components and lubricate with a generous coating of a Teflon based lubricant or equivalent before reassembling the sample probe Reassemble the sample probe as follows 1 Lay the parts out in sequence and replace all damaged parts 2 Assemble the C21 C22 V cam and liner assembly item 9 and delivery tube item 25 as follows August 2004 Clamp the delivery tube in a vise using the tube holder Line up the cross holes on the delivery stem with the top hole of the tube holder and insert a 1 8 in or 1 4 in punch thorough these holes then clamp down on the tube holder Do not over tighten to avoid crushing the delivery tube Apply a Teflon thread sealing compound on the threaded end of the delivery tube Thread the cam on the tube by turning the cam COUNTERCLOCKWISE as viewed from the thread end of the tube Tighten securely by hand e If either the cam or the tube is a new part further tighten 1 2 to 3 4 turn Place a rod a screwd
8. 2SealKit Bu amp N 0 0 000 50142150712 C2 Seal Kit Viton l 50142150709 C 2 Seal Kit Teflon August 2004 25 C21 C22 V Isokinetic Sampler WARRANTY LIMITATION OF LIABILITY Seller warrants only title to the products software supplies and materials and that except as to software the same are free from defects in workmanship and materials for a period of one 1 year from the date of delivery Seller does not warranty that software is free from error or that software will run in an uninterrupted fashion Seller provides all software as is THERE ARE NO WARRANTIES EXPRESS OR IMPLIED OF MERCHANTABILITY FITNESS OR OTHERWISE WHICH EXTEND BEYOND THOSE STATED IN THE IMMEDIATELY PRECEDING SENTENCE Seller s liability and Buyer s exclusive remedy in any case of action whether in contract tort breach of warranty or otherwise arising out of the sale or use of any products software supplies or materials is expressly limited to the replacement of such products software supplies or materials on their return to Seller or at Seller s option to the allowance to the customer of credit for the cost of such items In no event shall Seller be liable for special incidental indirect punitive or consequential damages Seller does not warrant in any way products software supplies and materials not manufactured by Seller and such will be sold only with the warranties that are given by the manufacturer thereof Sel
9. er 8 August 2004 9 Slowly release compression on the spring cup assembly and remove the spring cup assembly items 12 13 14 15 29 and 30 10 Lift the frog item 18 out using needle nose pliers or some other sharp instrument 11 Remove the torque pin item 17 by pushing it out through the slots on the cage 12 Remove the piston assembly item 19 and seat item 22 with the C21 C22 V cam and liner assembly item 9 and delivery tube item 25 as follows a Place a container or cloth beneath the assembly to catch any fluid that spills out during disassembly Grasp the cam with the thumb and fingers through the window in the cage Gradually lift the cam and liner assembly out rotating it to the left Fluid trapped between the stem and the body will spill out the bottom Remove the cup and piston assembly while holding it over the padded table top If the seat item 22 is stuck to the bottom of the cup and is removed with the assembly the padded surface will catch the seat if it falls protecting the hardened surface face from being damaged If the seat 1s not removed with the cup hold the cam and delivery tube in a vertical position and tap the end of the cam lightly on the padded tabletop to release the seat also check to see if the seat O ring remained on the sample body item 6 if so remove the O ring Remove the seat O ring item 23 and inspect it for wear If the Teflon thrust washer 1tem 8 stainless steel t
10. h and flush against the piston Cut the lead off approximately 1 32 in from the bottom of the Half Bal Seal no backup is required Teflon Seal Tip Replacement In applications where operating at pressures exceed 195 psi the elastomer seal tip may wear out quickly Operators may replace the elastomer seal tip with a Teflon seal tip for longer wear The replacement parts are Teflon seal piston assembly item 19 P N 50142208085 Teflon seal tip item 20 and backup item 21 Important The replacement procedure for replacing an elastomer seal tip is different from the procedure used to replace an existing Teflon seal tip Both procedures are provided in step by step instructions below To replace an elastomer seal tip with a Teflon seal tip and backup perform the following steps I Remove the piston assembly item 19 P N 50142200065 from the sample cup Push the old seal tip out through the top of the piston Replace the existing piston 5014220065 with the new piston assembly P N 50142208085 Place the Teflon seal tip into the new piston cone tip portion first and insert the backup Piston for Teflon Seal Tip behind the seal tip air Teflon Seal Tip Backing Teflon Seal Tip August 2004 15 C21 C22 V Isokinetic Sampler 5 Shear cut the Teflon seal tip backing as follows a Insert the carbide thrust pin in the side of the piston opposite where the Teflon seal tip backing 1
11. he Sample Probe Important The following instructions refer to the cage and hex The cylindrical end of the sample probe is the cage and the hex portion is the body To repair the sample probe perform the following steps l Prepare a clean padded tabletop or workspace for example shop rags on a workbench Place a pan of clean solvent nearby If necessary soak the sample probe in the solvent for 30 minutes before attempting to disassemble Clamp the sample probe body item 6 vertically in a vise on the 1 34 in hex body with the cage DOWN Inspect the end of the delivery tube for any burrs or rough surfaces that could damage O rings when they are removed from the tube Deburr or file any rough surfaces before proceeding with the disassembly Remove the stabilizer assembly 1tem 3 This includes a stabilizer body stabilizer body O ring item 26 O ring item 4 and a Teflon slipper seal item 5 Remove the O ring item 26 and the O ring slipper seal assembly items 4 and 5 if they do not come out with the stabilizer body Reposition the sample probe body assembly item 6 vertically in a vise with the CAGE END UP Position the discharge port in hex body so that it faces away from you Remove the retaining ring item 16 at the cage end by depressing the spring cup assembly items 12 13 14 15 29 and 30 with your thumb and releasing the retainer ring with Truarc pliers C21 C22 V Isokinetic Sampl
12. he retaining ring to snap into a groove in the end of the probe cage Check the action of the assembly using either of the two following procedures e Grasp the cam through the window in the cage Using fingers and a thumb rotate the cam CLOCKWISE as viewed from the cage end The piston should rise and fall freely with rotation August 2004 13 C21 C22 V Isokinetic Sampler 20 21 22 23 24 2 Caution e Apply a light force on the end of the delivery stem it should depress slightly at least 1 32 in Invert the probe body in the vise and install the stabilizer Using a twisting motion slip the stabilizer onto the delivery tube and thread it into the body Tighten the connection with a wrench to a snug fit against a metal shoulder at the bottom of the stabilizer If the O ring item 27 and screw item 28 were removed lubricate them and replace Replace the felt washer item 2 and coupling assembly item 1 on the delivery tube Slip the coupling onto the delivery tube as far as it will go Replace the warning disc on the body Rotate the coupling assembly by hand or with a small crescent wrench in a COUNTERCLOCKWISE direction as viewed from the coupling end to test the completed assembly Never rotate the coupling assembly in a CLOCKWISE direction CLOCKWISE rotation will loosen the delivery tube from the cam 26 Perform a test under pressure if possible before putting the sample probe bac
13. he thrust bearing The parts should snap into place Remove the stabilizer from the delivery tube making sure all components stay in the stabilizer body Put the O ring item 23 on the end of the stabilizer body item 3 and set it aside 4 To put the sleeve assembly items 4 5 amp 24 together use the cam and tube assembly a b Slip the O ring item 4 and slipper seal item 5 onto the tube assembly If all seals are Teflon a Bal seal is used in place of items 4 amp 5 Slide the sleeve item 24 over these parts and squeeze or snap into place Slip O ring 1tem 23 over the sleeve Leave this assembly on the tube 5 Place the seat item 22 into the cam and liner assembly item 9 and delivery stem item 25 as follows a Slip the lubricated O ring item 23 over the seat The seat and sample cup are described in detail in Disassembly and Inspection page 8 Hold the C21 C22 V cam assembly at a 45 angle with the seat locator pin on top Position the seat on a wood tipped scribe using the hole near the notch in the seat Handle the seat with special care to prevent damage to the coating on the seat Slip the seat into the cam body aligning it with the locator pin When the seat is in position turn the cam upright tube down and recheck the seat for alignment When it is properly aligned use your clean finger or a soft instrument to apply pressure on the seat and force the O ring into its g
14. he weight of the seat The sealing surfaces which are hardened may appear shiny in areas where the two parts have been in contact Replace all damaged parts 14 Inspect the C21 C22 V cam and liner assembly item 9 and delivery tube item 25 as follows a Clean and inspect the Teflon lining inside the cam housing for excessive wear pitting or erosion b Observe the condition of the seat locator pin in the bottom of the cam c Clean and inspect the tube in the areas within approximately 1 in of the cam and approximately 1 in from the cross holes toward the other end of the delivery tube The pressure seals slipper seal item 5 and O ring item 4 work within these areas Therefore the tube must be kept in good condition d If the delivery tube requires replacement note that the threads on the cam are LEFT HAND pipe threads NOT the conventional right hand threads 15 To remove the tube perform the following steps a Clamp the tube in a vise using the tube holder b Line up the cross holes on the delivery stem with the top hole of the tube holder and insert a 1 8 in or 1 4 in punch thorough these holes then clamp down on the tube holder Do not over tighten to avoid crushing the delivery tube c Insert a rod screwdriver or one handle of a pair of Truarc pliers through the window in the cam and turn CLOCKWISE as viewed from the cam end C21 C22 V Isokinetic Sampler 10 August 2004 16 To clean out a plugged
15. hrust bearing item 7 sleeve item 24 and O ring and slipper seal assembly items 4 amp 5 do not come out with the tube assembly tap the cage end of the sample probe lightly on the padded table top to release them Take care not to damage the snap ring groove in the cage If the Teflon thrust washer 1tem 8 stainless steel thrust bearing item 7 sleeve item 24 and O ring and slipper seal assembly items 4 amp 5 do not come out with the tube assembly tap the cage end of the sample probe lightly on the padded table top If they are not released insert a long thin flat end screwdriver into the opening of the cage and gently pry out the remaining items Take special care not to damage the inner surface of the sleeve item 24 13 Inspect and evaluate the sample cup item 11 piston assembly item 19 and seat item 22 as follows a August 2004 Before disassembling the sample cup and piston assembly check the thrust pin item 10 for wear especially in the area where it works against the cup in the vertical slots Also inspect the ends where the pin rides on top of the cam Look for wear to the slots 1n the cup and to the top surface of the cam If the thrust pin has grooves or marks in these areas replace it 9 C21 C22 V Isokinetic Sampler b To remove the piston assembly from the cup push the thrust pin out through one side of the cup the pin is held in by a spring loaded stainless steel ball and shake the
16. inted tool scribe SCRIBE 4 in needle nose pliers non marring hammer or mallet delivery tube holder part no 50142208052 3 32 in hexagonal socket vise with soft jaws 1 8 in punch set of V blocks pliers fine cut file 320 grit sandpaper and 4 0 polishing paper screwdriver Removal of the Sample Probe To remove the sample probe perform the following steps Caution ALWAYS disconnect and lockout the power to the CD20 sample drive controller at the power source before attempting to remove the sample probe from the line August 2004 7 C21 C22 V Isokinetic Sampler Remove the drive from the head of the sample probe Inspect components as they are disassembled and look for defects or reasons for failure Remove the DC 1 coupling assembly item 1 felt washer item 2 and rotation warning plate not shown attached to the sample probe 3 Disconnect the sample discharge line to the receptacle Remove the tubing connector from the 1 4 in NPT discharge port in the sample probe and inspect it for possible plugging If the line is pressured refer to instructions for using a True Cut sample probe retriever to remove the sample probe from the line If the line is empty and not pressured proceed to step 6 Remove the sample probe from the line with a 15 in crescent wrench or open end wrench The sample probe opening in the pipeline may be plugged with a 1 1 4 in NPT pipe plug Disassembly and Inspection of t
17. k into service During testing check the sample probe s function by manually rotating the shaft COUNTERCLOCKWISE Sample size should be 1 1 2 cc rev for the C21 sample probe and 3 cc rev for the C22 sample probe Elastomer Seal Tip Replacement To replace the elastomer piston seal tip item 20 with a new elastomer seal tip perform the following steps 1 Cut off the tip of the old seal flush with the piston surface and push it out the top of the piston with a small diameter punch Lubricate the new seal and hole in the piston with lightweight oil Insert the small diameter lead of the elastomer seal into the top of the piston Push until the lead is through the bottom Important The Half Bal shaped elastomer seal is larger than the hole in the bottom of the piston and will meet with resistance as the lead is pulled through the piston Take special care not to pull the lead off during this process 4 5 C21 C22 Gradually pull the lead until you feel the large portion of the seal reach the restriction near the bottom of the piston Working the lead in a small circle while pulling SLOWLY work the seal through the bottom of the piston If the seal sticks or resists movement apply force to the TOP of it using a small diameter punch DO NOT PULL ON THE LEAD WITH EXCESSIVE FORCE V Isokinetic Sampler 14 August 2004 When the seal pops through the bottom of the piston STOP Make sure the seal is completely throug
18. lation of a non retrievable sample probe probe cannot be removed while the line is full and pressurized August 2004 3 C21 C22 V Isokinetic Sampler 2 F O Ball Valve THD E 2 Flanged F O Ball Valve Figure 6 T ypical installation of a retrievable sample probe probe can be removed while full and under line pressure with a Clif Mock True Cut A 3 sample retriever To install a sample probe in a pipeline perform the following steps 1 Position the sample probe so that the direction of the arrow stamped on the hexagonal surface of the probe Figure 7 1s parallel to the flow in the pipeline This allows fluid to pass through the sample window 2 Install the sampler port in the pipeline in accordance with API Chapter 8 Section 2 requirements 3 Connect tubing 1 4 in to 3 8 in from the sample probe to the receptacle so that the tubing slopes continuously downward from the probe Figure 8 4 Before attaching the sample drive to the probe start the drive unit With the shaft of the drive unit facing you the shaft should rotate CLOCKWISE Important TIf the shaft does not rotate CLOCKWISE the motor is wired incorrectly Consult the factory Do not attempt repairs 5 Stop the drive unit C21 C22 V Isokinetic Sampler 4 August 2004 C 21 with 16 in ext probe for 10 in line Figure 7 Flow direction indicator 2 in AMCE threads for use with the A 3 retriever and 1 1 4 in NPT threads for C 22 sa
19. ler will pass only through to its purchaser of such items the warranty granted to it by the manufacturer Z7 NuFlo Measurement Systems NuFlo Measurement Systems 14450 John F Kennedy Blvd Houston TX 77032 www nuflotech com North America UK 800 654 3760 44 1243 826741 281 582 9500 Houston Singapore 877 891 6540 Calgary 65 6737 0444
20. mple probe for removal and installation of sample probe while product line is in use DC 2 coupling sample drive controller i 20 A 3 8 in to 1 2 in OD 316 St tubing or flex hose with minimum 30 degree slope to sample receptacle R20 4 sample receptacle 5 gallons Figure 8 Installation of the C21V C22V sample probe within a sampling system August 2004 5 C21 C22 V Isokinetic Sampler 6 Attach the drive unit to the sample probe Figure 9 in the following manner a Unscrew the DC 2 coupling from the CD20 sample drive controller The DC 2 coupling is attached to the CD20 sample drive when it is shipped from the factory b Thread the DC 2 coupling onto the sample probe and tighten c Line up the slot on the output shaft of the CD20 Sample Drive with the pin DC 1 coupling is attached to the sample probe at the factory on the DC 1 coupling and thread the drive onto the DC 2 coupling HAND TIGHTEN ONLY 7 Check the direction of rotation per the attached rotation warning plate Figure 10 With the drive shaft turned away from you the drive should rotate the delivery tube COUNTER CLOCKWISE Caution If the delivery tube turns CLOCKWISE the probe is installed incorrectly Do not operate the probe in this position Doing so will cause the delivery tube to disconnect from the cam The sample probe must be disassembled before the delivery tube can be reconnected 8 Complete electrical connection
21. n dowel pin to apply force to the piston assembly in the sample cup such that an indentation 1s created on the Teflon seal tip August 2004 17 C21 C22 V Isokinetic Sampler c Forcibly strike the opposite end of the dowel pin against a hard surface d Repeat step c if necessary to create the indentation on the Teflon seal tip Be careful not to scratch the coating on the bottom of the sample cup 9 Remove the carbide thrust pin and the piston assembly from the sample cup being careful not to disturb the Teflon seal tip and Teflon seal tip backing assembly Observe the indentation of the Teflon seal tip made by step 6c 10 To remove the excess of the Teflon seal tip temporarily replace the thrust pin on the piston Use a razor or a very sharp knife to cut the excess of the Teflon seal tip between the indentation and the end of the Teflon seal tip 11 Remove the carbide thrust pin from the piston assembly Be careful not to disturb the Teflon seal tip and Teflon seal tip backing assembly C21 C22 V Isokinetic Sampler 18 August 2004 12 Before replacing the piston assembly back into the sample cup place a 1 8 in to 1 4 in pin through the window openings of the sample cup This will prevent you from disturbing the Teflon seal tip and Teflon seal tip backing assembly 13 Put the piston item 19 into the sample cup item 11 so that the seal tip 1s aligned with the hole in the sample cup Insert the
22. ng through the pipe See Figure 4 for standard placement of these probes Note If the pipeline is horizontal place the probe 90 from the vertical centerline to help prevent plugging of the probe when the probe is not in service August 2004 1 C21 C22 V Isokinetic Sampler Pipe too b Pipe bottom X Z DE Recommended region Tot samping point al Horizontal pipe bl Vertical pipe Figure 2 Recommended sampling point regions for horizontal and vertical sample probe installations as shown in ISO 317 Recommended region for sampling point Figure 3 Recommended sampling point regions for sample probe installations as shown in API Chapter Section 2 C21 C22 V Isokinetic Sampler 2 August 2004 TYPICAL VERTICAL PIPELINE INSTALLATION Top of pipeline 45 from top of pipeline 90 from top of pipeline NOT RECOMMENDED PREFERRED WITH RESTRICTIONS PREFERRED Figure 4 Sample probe orientation for horizontal and vertical installations The sample probe can be installed by one of the following methods e 1 4 in NPT 3000 threaded coupling welded onto the pipeline Figure 5 e l4 in 30005 threaded installation coupling nipple threaded full opening ball valve U 22 adapter into the pipeline Figure 6 e l in x ANSI Class flange welded installation coupling ANSI Class flanged full opening ball valve U 22 adapter into the pipeline Figure 6 Pipeline Figure 5 Typical instal
23. ng a light pressure the action should be very smooth as when you inspected the sample cup and seat earlier If it 1s not remove the sample cup from the C21 C22 V cam housing and clean again To continue align the window in the sampler cup with the window on the cam The two windows should line up top and bottom within an approximate 0 010 in difference If the cup window is too high the seat O ring may not be properly seated Press on the top of the cup to seat the O ring Remove the tube assembly with the cup and piston assembly from the vise Position the probe body assembly 1tem 6 vertically in the vise with the cage end UP Put the C21 C22 V cam and liner assembly and delivery tube assembly into the probe body from the cage end with a twisting motion Continue this motion until the tube assembly 1s seated in place Align the hole in the rim of the sample cup with the slots 1n the sides of the cage and insert the torque pin item 17 Place the frog item 18 on top of the sample cup so the slot in the frog fits on the torque pin The torque pin item 17 must be centered for the frog to fit properly Stack the spring item 15 spring cup item 14 spring cup retainer item 12 and retainer lock nut 1tem 13 place the retaining ring 1tem 16 with its flat and not rounded surface on top of the frog Using the same method that was used to remove these parts apply force to the thrust plate to compress the spring allowing t
24. nts C21 C22 V Isokinetic Sampler i August 2004 Description True Cut Series C21 C22 V Type Sample Probes are designed in accordance with API Chapter 8 Section 2 and ISO 3171 to collect uniform samples of liquids flowing through a pipeline Operating pressures for the V Type Probe generally range from 10 to 50 psi The sample size is typically 1 5 cc but may vary slightly according to temperature pressure viscosity and other properties of the product True Cut C Series V Type Sample Probes are available in two models C21 V and C22 V e The C21V has a single port valve seat allowing one 1 5 cc sample to be taken during every 360 degree rotation of the sample probe e The C22 V has a dual port valve seat allowing one 1 5 cc sample to be taken during every 180 rotation of the sample probe or two samples totaling 3ccs to be taken during every 360 degree rotation of the probe The C Series C21 C22 V Type sample probes utilize the isokinetic principle of sampling ensuring that each sample is captured in its natural state Isokinetic conditions exist when the linear velocity of the fluid flowing through the opening of the sample probe equals the linear velocity of fluid in front of the probe Figure 1 C21 C22 V sample probe Installation Probes should be installed in accordance with ISO 317 Figure 2 and API Chapter 8 Section 2 Figure 3 to help ensure that the samples taken are representative of the product flowi
25. retrofit an older model C21 C22 V sample probe with the new spring cup assembly perform the following steps 1 Clamp the sampler in a vise with the snap ring side facing up 2 Remove the retaining ring item 16 and set it aside 3 Remove the thrust cup thrust spring discharge spring push rod and C21 C22 V frog August 2004 21 C21 C22 V Isokinetic Sampler 4 Discard the thrust cup thrust spring push rod and C21 C22 V frog es8 g 5 Install the new frog item 18 thrust spring item 15 push rod item 29 and discharge spring item 30 6 Thread the spring cup retainer item 12 fully onto the spring cup item 14 7 Reinstall the retaining ring C21 C22 V Isokinetic Sampler 22 August 2004 8 Using a 13 16 in open end wrench grasp the spring cup retainer Using a 1 2 in open end wrench screw in the spring cup until it bottoms out and then back it out 1 8 of a turn 9 Install the locknut item 13 tight against the spring cup retainer taking care not to disrupt the adjustment of the spring cup August 2004 23 C21 C22 V Isokinetic Sampler gr U Cy NU Tory a aX me E A 3 LA A AR SG Les T HE T 3 Va ZZZ U A TEN a APA dp AL VI Bill of Materials Lem Qty Part No Description 50142150931 Assembly DC 1 Coupling _ 50142200012 FetWasher
26. river or one handle of a pair of Truarc pliers through the window in the cam for leverage e If the parts are not new a 1 4 to 1 2 turn is sufficient Verify that the flat on the end of the tube and windows in the cam are parallel to each other Wipe excess thread compound from the tube Remove the tube and cam from the vise and lay them in the V blocks Roll the tube back and forth rotating it 360 in each direction and observe the end of the cam to make sure the cam and tube are concentric If the cam and tube are not concentric place the tube back in the vise using the holder with the cam positioned close to the holder Lightly tap the cam with a soft headed hammer to force it into alignment Several attempts may be required 11 C21 C22 V Isokinetic Sampler k Place the Teflon thrust washer 1tem 8 and thrust bearing item 7 on the tube 3 Use the cam and tube assembly to assemble the stabilizer items 3 4 and 5 a Place the O ring 1tem 4 over the slipper seal 1tem 5 making certain the slipper seal conforms to the O ring If all seals are Teflon a Bal seal is used in place of items 4 and 5 Slip the O ring slipper seal combination or the Bal seal onto the tube and continue sliding the seal down the tube against the thrust bearing item 7 taking care not to roll or deform the surface of the O ring slipper seal assembly items 4 amp 5 Push the stabilizer body item 3 until the body 1s against t
27. roove Clean the seat with lint free tissue and use a drop of light oil to lubricate the seat Using the tube holder place the tube back in the vise in a vertical position with the cam UP C21 C22 V Isokinetic Sampler 12 August 2004 10 1 12 13 14 15 16 17 18 19 Check the piston and the sample cup for proper fit the piston should move freely in the cup when the cup 1s tilted up and down If it does not polish the piston with 320 grit sandpaper and 4 0 polishing paper or deburr for a free fit Replace the elastomer piston seal tip item 20 or Teflon piston seal tip and backup items 20 and 21 if necessary See Elastomer Seal Tip Replacement page 14 and Teflon Seal Tip Replacement page 15 for detailed instructions Put the piston back into the cup so that the seal 1s aligned with the hole in the bottom of the sample cup The thrust pin opening in the piston should be in line with the vertical slots 1n the sample cup Insert the carbide thrust pin item 10 in the piston depress the spring loaded ball with a punch and simultaneously exert force on the pin until it can pass the ball Continue to move the pin until it snaps into place The Teflon backup may also have to be depressed to allow the thrust pin to slip into place Lubricate the sample cup and carefully slip it into the C21 C22 V cam housing with a twisting motion until it touches the seat Continue twisting and applyi
28. s in accordance with the instructions in the CD20 or CD20A sampler drive manual SAMPLE WINDOW DRIVE SHA is DC2 COUPLER COUPLING 1 4 INCH SAMPLE OUTLET CD20 SERIES DRIVE CONTROLLER Figure 9 Drive controller to sample probe connection Figure 10 Rotation warning plate also shown in Figure 1 C21 C22 V Isokinetic Sampler 6 August 2004 Operating the Sample Probe 1 Start flow through the pipeline 2 Turn the sample probe drive unit ON The sampler should begin to collect samples immediately 3 To verify that the sample probe is operating properly disconnect the discharge line from the sample probe at the receptacle If the probe is operating properly and has taken several sample grabs 20 to 100 product should be visible in the receptacle and in the discharge line Maintenance The frequency of repairs will depend on each application Generally the C21 C22 V sampler should be cleaned and inspected every six 6 months Repairs Important Read the following instructions carefully and review the Bill of Materials and the assembly drawing at the end of this manual before attempting to disassemble or reassemble the sample probe The item numbers referenced in this section identify the parts shown in the assembly drawing The following tools are required for removing and repairing a sample probe 15 in crescent wrench or a 1 3 4 in open end wrench Truarc pliers 21 389PROTO a long thin sharp po
29. s inserted depress the spring loaded ball with a punch and simultaneously exert force on the pin until it passes the ball Continue to move the pin until it stops on the Teflon seal tip backing While holding the end of the Teflon seal tip backing and the piston between your thumb and index finger place the piston assembly between partially opened jaws of a vise While exerting force on the Teflon seal tip backing and the piston use a small hammer to strike the end of the carbide thrust pin until it shears cuts the Teflon seal tip backing Remove the carbide thrust pin from the piston being careful not to disturb the Teflon seal tip and Teflon seal tip backing assembly C21 C22 V Isokinetic Sampler 16 August 2004 6 Before replacing the piston assembly in the sample cup place a 1 8 in to 1 4 in pin through the window openings of the sample cup This will prevent you from disturbing the Teflon seal tip and Teflon seal tip backing assembly 7 Place the piston assembly item 19 in the sample cup item 11 so that the seal tip is aligned with the hole in the sample cup Insert the carbide thrust pin item 10 depress the spring loaded ball with a punch and simultaneously exert force on the pin until it passes the ball 8 Seat the Teflon seal tip in the sample cup hole as follows a Hold the sample cup and piston assembly sample cup up in the palm of your hand b Use a 3 4 in O D x 5 in long woode
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