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TC-003001-30 / Rev 01

Feb-02

TROUBLESHOOTING

Table 9 –Troubleshooting

Issue

Probable

Cause

Repair

Will not open or close

Iced up due to restricted flow or low
temperature

Inject antifreeze solution into valve body.
Check the compatibility of antifreeze solution
to avoid damaging the seals. Drain periodically
to eliminate water accumulation

Improper setting of gear or actuator
stops

Reset gear or actuator stops

Hard to operate

Accumulation of foreign material in
the body

Drain the valve – see drainage procedure

Infrequent operation, lack of
lubrication

Grease the valve – see lubrication procedure

Gear hard to operate or stuck

Check gear. Lubricate or replace

Operator not properly installed

Check gear operator

Leak around the seat

Foreign material between seat and
ball

Grease the valve – see lubrication procedure.
Operate several times to wipe clean

Valve not fully closed

Check the adapter plate or gear operator for
fully closed position

Worn or damaged seat inserts
and/or ball

Disassemble the valve and replace worn parts

Operator stops not properly set

Adjust stops to proper settings

Worn or damaged seat O-ring seal

Disassembly the valve and replace seat O-ring.
Check O-ring material for application*

Leak around stem

Worn or damaged stem O-ring seal

Grease the stem. Disassemble the valve and
replace stem O-ring.
Check O-ring material for application*

Leak between body and

adapter plate

Worn or damaged adapter O-ring
seal

Disassemble the valve and replace adapter O-
ring
Check O-ring material for application*

Adapter studs and nuts not properly
tightened

Tighten nuts to specified torque

Leak between body and

lower cover plate

Worn or damaged lower cover plate
O-ring seal

Disassemble the valve and replace cover plate
O-ring
Check O-ring material for application*

Cover plate cap screws not properly
tightened

Tighten cap screws to specified torque

Grease fitting leaking

Debris in the fitting

Inject small amount of cleaner to flush debris

Damaged fitting

Tighten safety cap or replace fitting.
WARNING: Never remove the entire fitting
with the valve under pressure

*Contact a WKM representative for proper trim selection for the required application

Содержание WKM 370D6

Страница 1: ...Date 4 March 2015 Document Number TC 003001 30 Revision Rev 01 WKM 370D6 Ball Valve Installation Operation and Maintenance Manual ...

Страница 2: ... exclusive property of Cameron Any reproduction or use of the calculations drawings photographs procedures or instructions either expressed or implied is forbidden without the written permission of Cameron or its authorized agent Initial Release 01 February 2015 TC 003001 30 Rev 01 ...

Страница 3: ...N INSTRUCTIONS 11 BEFORE INSTALLATION SAFTEY INFORMATION 11 INSTALLATION 12 FIELD TESTING 13 OPERATION 13 MAINTENANCE PROCEDURES 14 DRAINAGE PROCEDURE 14 LUBRICATION GREASE INJECTION 15 370D6 VALVE RECONDITIONING 18 DISASSEMBLY 18 CLEANING 19 INSPECTION 20 REASSEMBLY 20 GEAR OPERATOR ASSEMBLY 25 ASSEMBLY TORQUE VALUES 27 TROUBLESHOOTING 28 CONTACT INFORMATION 29 ...

Страница 4: ...ure of equipment or any damage to any property or death or injury to any person resulting in whole or in part from repairs performed by other than authorized Cameron personnel Such unauthorized repairs shall also serve to terminate any contractual or other warranty if any on the equipment and may also result in equipment no longer meeting applicable requirements File copies of this manual are main...

Страница 5: ...5 TC 003001 30 Rev 01 Feb 02 BILL OF MATERIALS 370D6 Series Standard Gearless Valve see parts list in Table 1 Figure 1 370D6 Series Standard Less Gear Valve ...

Страница 6: ... Pin 185 1 Locating Torque Pin 211 1 O Ring Tailpiece 212 1 BACK UP RING TAILPIECE Only For Class 1500 2500 221 2 O Ring Stem 222 2 Back Up Ring Stem 224 1 O Ring Lower Cover Plate 225 1 BACK UP RING LOWER COVER PLATE Only For Class 1500 2500 231 2 O Ring Seat Outer 232 2 Back Up Ring Seat Outer 233 2 O Ring Seat Inner 241 1 Stem Thrust Washer 241b 1 BALL THRUST WASHER Only For 6 900 1500 And All ...

Страница 7: ...7 TC 003001 30 Rev 01 Feb 02 370D6 Standard Wrench Head Valve see parts list in Table 2 Figure 2 370D6 Series Standard Wrench Head Valve ...

Страница 8: ...Torque Pin Not Shown 211 1 O Ring Tailpiece 212 1 BACK UP RING TAILPIECE Only For Class 1500 2500 221 2 O Ring Stem 222 2 Back Up Ring Stem 224 1 O Ring Lower Cover Plate 225 1 BACK UP RING LOWER COVER PLATE Only For Class 1500 2500 231 2 O Ring Seat Outer 232 2 Back Up Ring Seat Outer 233 2 O Ring Seat Inner 241 1 Stem Thrust Washer 311 1 Ball 312 1 Trunnion 321 1 Stem 322 Stem Retaining Screw 32...

Страница 9: ...e operation The 370D6 valves are available in the sizes and classes as per Table 3 Unless otherwise specified on the purchase order all the small sizes of valves are equipped with a wrench head noted W in Table 3 as standard all other valves are equipped with a gear operator noted G in Table 3 The hand wheel can be removed from the gear shaft by taking out the roll pin Table 3 370D6 Series Ball Va...

Страница 10: ...lass Valve Class Designation as defined per API 6D 3 SN Valve s unique Serial Number 4 BM Valve Bill of Material part number 5 MOP Maximum Operating Pressure the working pressure of the valve 100 F and at maximum temperature 6 API API Number the valve is in compliance with 7 Body Body Material Symbol 8 Temp Operating Temperature Range 9 Model Valve s Model Designation 10 Stem Stem Material Symbol ...

Страница 11: ...uest to the company must be made for approval to operate in this manner if warranty and product liability is to be maintained Before any work is performed on a valve personnel working on the valve must obtain the proper work permits required by his employer Personnel shall always use safety precautions set forth by the law and regulations required by his employer Personnel shall also be aware that...

Страница 12: ...l and may be installed with either end facing upstream The valve should be installed in such a way as to facilitate maintenance easy access to the valve fittings and actuating operations 370D6 valve standard position is with the stem in the vertical upwards position and gear wrench on the top side of valve In this position the drain bleed fittings are located in the lowest part of the body which a...

Страница 13: ...be operated partially open or partially closed Throttling partial opening or pinching flow may cause non uniform wear on seats and ball over the sealing surfaces where it is exposed to the flow line preventing tight shut off To close the valve turn gear hand wheel clockwise until it stops to open the valve turn the gear hand wheel counter clockwise until it stops All the wrench operated valves hav...

Страница 14: ...between the ball and the seat and damage their surfaces A drainage schedule is the best way to prevent damage caused by foreign matter However it is recommended that drainage should be carried out in the following cases 1 Whenever the valve does not close 2 Before and during the cold season 3 After washing the line 4 After hydraulic test 5 Periodically to remove the accumulation of body debris The...

Страница 15: ... painted The gear operators are factory lubricated for life If desired the gear can be lubricated using the lube fitting located on the side of the gear operator WKM 103 is an effective sealant it is viscous grease with a thick consistency It consists of synthetic oils a suspending agent friction reducing filler plastic and an antioxidant WKM 103 Sealant may be used in valves with a temperature ra...

Страница 16: ...commended lubricants by the cleaner sealant manufacturer for the indicated service and conditions Use of other lubricants without WKM approval voids all warranty and claims Contact WKM representatives for availability Table 5 Manufacturer Recommended Lubricants Flush Sealant Recommendations Service Condition Product Cleaner Sealant Manufacturer The valve Cleaner Sealant Manufacturer s contact info...

Страница 17: ...be Standard sealant WKM 103 80 bulk 80 HS stick Standard low Temp 50 bulk stick Severe leak sealant 80 PTFE bulk stick Table 6 lists the recommended quantity of lubricant per valve size and class Table 6 Recommended Lubricant Quantities Lubricant and Flush Volume per valve size and class Valve size Valve class Lubricant per seat ounces Valve Flush per seat ounces 2 150 300 12 2 600 2500 3 5 3 150 ...

Страница 18: ...d from system pressure and flow Operate the valve at least two times and drain the valve to make sure there is no residual pressure left in the body After observing the above precautions remove the valve from the pipe line system Set the valve in a clean place free of dust and or metallic chips DISASSEMBLY 1 Operate the Valve to the closed position CAUTION Prior to disassembly verify that there is...

Страница 19: ...e Carefully remove the ground spring located between the trunnion and ball 11 Loosen and remove the body nuts 12 Lift the tailpiece off of the body paying attention not to damage the body O ring 13 Remove the tailpiece O ring and back up ring if applicable 14 Using a strap lift the ball out of the body and lower it onto wood blocks Take out the drive pins and inspect the trunnion bearing and thrus...

Страница 20: ...tation 5 If any damage is found the minor repairs should be carried out by trained personnel otherwise contact WKM representative The minor repairs that may be carried out on site by maintenance personnel shall be in accordance with the following points 1 Use standard engineering practices to repair the damaged metallic surfaces 2 Remove surface nicks on ball and stem by using a mild abrasive such...

Страница 21: ...O rings and back up ring as applicable to the tailpiece and cover If the valve size and class require back up rings those shall be positions above the O ring towards the flange of the part as shown in detail J and detail K of Fig 1 and Fig 2 5 Install the radial bearings on the stem using a bearing tool shown in Fig 11 The lower bearing is wider than the upper bearing Both bearings shall fit into ...

Страница 22: ...all Use a rubber mallet if necessary Install the lower cover plate over the trunnion and thread at least two cap screws until the cover plate back face contacts the body trunnion boss face 14 Flip the tailpiece over using the proper lifting equipment Lift the tailpiece and start lowering it onto the body Before the tailpiece engages the studs orient it such that the grease fittings of the tailpiec...

Страница 23: ...ate should fit over the locating pin with the key grooves oriented towards the valve body markings and the tailpiece d Install all cap screws and torque as required per Table 7 e Install the key The key should not stick above the stem f Install the weather protector g Install the wrench head and secure the washer and screw on top of the stem Figure 14 Wrench Operated Valve Assembly 18 If a bare st...

Страница 24: ...ad the screws until contacting the stem and turn back a half turn CAUTION If the stem retaining screw is not backed off and remains in contact with the stem the valve torque may increase and affect actuator performance 20 If removed tape all check valves and external fittings with Teflon tape and install them at this time Use the installation torques noted in Table 8 21 The body stud nuts and cap ...

Страница 25: ...nto the studs and tighten them with the proper open end wrench 4 Remove the indicator cap Using the hand wheel turn the hand wheel gear shaft so that the key slot on the stem and operator are aligned with each other 5 Using a rubber mallet tap the key gently into the key slot until it is below the top of the stem Do not use excessive force to drive the key If the key does not fit properly recheck ...

Страница 26: ...lfway and measure the minimum distance from the ball corner ball flow bore to sphere corner to the mark The distance should meet the dimension L detailed in Table 9 Distance from Ball Corner to Mark Valve Size Valve Class Dimension L 0 04 2 FP 3 RP 150 900 0 67 2 FP 1500 0 96 2 FP 2500 1 28 3 FP 4 RP 150 900 0 87 3 FP 1500 1 19 3 FP 2500 1 81 4 FP 6 RP 150 900 1 03 4 FP 6 RP 1500 1 24 4 FP 6 RP 25...

Страница 27: ...et correctly Turn the hand wheel gear shaft several turns towards the closed direction and then return the valve to the open position until the key hits the stop There should be no more than 1 16 of the ball radius exposed into the flow bore after the stop if properly set 11 Reinstall the indicator cap and tighten the indicator cap screws 12 Install the hand wheel and secure it with the hand wheel...

Страница 28: ...ll Disassemble the valve and replace worn parts Operator stops not properly set Adjust stops to proper settings Worn or damaged seat O ring seal Disassembly the valve and replace seat O ring Check O ring material for application Leak around stem Worn or damaged stem O ring seal Grease the stem Disassemble the valve and replace stem O ring Check O ring material for application Leak between body and...

Страница 29: ...NTACT INFORMATION HEADQUARTERS 3250 Briarpark Drive Suite 300 Houston TX 77042 USA Tel 281 499 8511 MANUFACTURING 845 SE 29 th Street Oklahoma City OK 73129 USA Tel 405 631 1321 For more information www c a m com DEMCO DEMCO c a m com ...

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