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TOV

Installation, Operation and Maintenance Manual

WKM-TOV-IOM

Packing maintenance

Caution:

Torque shall be applied accurately per Torque chart

‘B’. Over torquing will increase the opearting torque of

the valve and will also negatively effect the packing life.

1. Actuator/ Gear shall be removed including the

connecting Key(s) (30). Actuator position relative

to the valve position shall be noted for

reassembly.

2. Mounting bracket shall be removed from the valve

including the connecting studs/nuts.

3. Packing retainer nuts (18) shall be removed.

Assembly configuration shall be noted for ease of

reassembly later.

4. Packing retainer (16) shall be removed by

removing the nuts (18) and studs (17).

5. Blow-out ring (15) and packing bushing (14) shall

be removed..

6. Packing rings (13) shall be removed followed by

packing washer (12).

If leakage is found around the shaft area through the packing, retainer nuts shall be tightened slowly and evenly

until the leakage stops.

7. Packing cavity shall be cleaned with Light Mineral Oil

and shaft with Molykote

® -P74 (Grease) or

Equivalent.

8. Packing washer (12),

new packings (13)

, packing

bushing (14), blow out ring (15), and packing retainer

(16) shall be reassembled according to the assembly

configuration noted in point 3.

9. Packing retainer nuts (18) shall be assembled by hand

without torque tightening equipment after applying a

thin film of lubricant on the threads of the stud bolts by

Molykote

® -P74 (Grease) or Equivalent can be used.

Keys(s) (30) on the shaft end shall be reassembled.

10. Gear/actuator shall be reassembled and the Valve

shall be closed.

11. Packing retainer nuts (18) shall be tightened in

accordance with T

orque chart “B” (Torque values for

packing nuts).

12. If a leak is detected, pressure shall be released and

packing retainer nuts shall be tightened (18) slowly

and evenly until the leak stops.

Figure 7: Packing maintenance

Belleville Spring

Live loaded Packing

Caution:

For live loaded packing design, make sure to
note down the sequence and pattern of the
belleville springs before removing them.

The live load packing nuts shall be tightened in
accordance with T

orque chart “B”.

Содержание WKM

Страница 1: ...TOV Installation Operation and Maintenance Manual 1 WKM TOV IOM Installation Operation and Maintenance Manual 3 24 150 300 600 CLASS WKM TRIPLE OFFSET VALVE WKM ...

Страница 2: ...leshooting guide 13 Packing maintenance 14 Sealing elements maintenance 15 Bottom cap gasket maintenance 17 Mounting Operators 18 Torque charts 19 Cameron s Valves Measurement Segment Released 07 2018 WKM TOV IOM Notes This manual is a general representation of the information required for correct usage of the CAMERON WKM TOV valve More specific information is available and can be supplied per cus...

Страница 3: ...TOV Installation Operation and Maintenance Manual 3 WKM TOV IOM List of components ...

Страница 4: ...figuration details of WKM Triple Offset Valves such as valve type pressure class end connections body bonnet and trim materials and special features Nameplate information 1 Valve size 2 Valve class 3 Seal material See for reference nameplate drawing below 4 Body material 5 Disc material 6 Shaft material 7 Flange type 8 Figure number 9 Serial number 10 Maximum CWP ...

Страница 5: ...er assembly and test WKM Triple Offset Valves are placed in the closed position Carbon steel valves are painted on the external surfaces Flange protection is provided for all valves Valves should be stored in a clean dry location Outdoor storage is permissible but should be off the ground and protected from the elements For long term storage contact your Cameron representative Installation Althoug...

Страница 6: ...g edge on the pipe I D and damaging the sealing surface Chamfer is recommended on the pipe flange Minimum pipe I D required for disc swing clearance Class 150 valves Standard pipe or equivalent Class 300 valves Schedule40 XS pipe or equivalent Class 600 valves Schedule 100 pipe or equivalent Consult Table 1 Disc clearance for required flange modifications for other pipe schedules Figure 2 Table 1 ...

Страница 7: ...NO PROTRUSION NO PROTRUSION NO PROTRUSION 600 23 38 0 NO PROTRUSION NO PROTRUSION 8 150 69 47 20 10 NO PROTRUSION NO PROTRUSION 300 63 44 20 10 NO PROTRUSION NO PROTRUSION 600 46 5 34 5 NO PROTRUSION NO PROTRUSION 10 150 91 72 39 31 NO PROTRUSION NO PROTRUSION 300 85 66 39 31 NO PROTRUSION NO PROTRUSION 600 61 5 51 5 NO PROTRUSION NO PROTRUSION 12 150 107 86 53 44 NO PROTRUSION NO PROTRUSION 300 1...

Страница 8: ...alves be difficult or impossible to cycle check that the raised face of the flange matches the raised area on the valve face 4 All bolting shall be tightened in a crossover or star pattern to insure even sealing Figure 4 refer figure 9 for star pattern tightening method 5 Packing retainer tightness is pre tested at the factory Should shaft leakage occur at start up the packing retainer can be adju...

Страница 9: ...6 3 04 2 17 300 10 63 3 4 10 UNC 24 3 56 2 68 600 11 50 1 000 8 UNC 20 4 98 3 85 4 4 10 3 23 8 150 11 75 3 4 10 UNC 16 3 32 2 45 300 13 00 7 8 9 UNC 24 3 83 2 83 600 13 75 1 1 8 8 UN 20 5 89 4 64 4 4 91 3 65 10 150 14 25 7 8 9 UNC 24 3 67 2 67 300 15 25 1 000 8 UNC 24 4 41 3 28 8 3 91 2 78 600 17 00 1 1 4 8 UN 24 6 44 5 07 8 5 38 4 01 12 150 17 00 7 8 9 UNC 24 3 73 2 73 300 17 75 1 1 8 8 UN 28 4 8...

Страница 10: ...1 2 8 UN 32 7 54 5 92 8 6 32 4 70 18 150 22 75 1 1 8 8 UN 28 4 77 3 51 4 3 83 2 57 300 24 75 1 1 4 8 UN 40 5 86 4 49 8 4 83 3 46 600 25 75 1 5 8 8 UN 32 8 24 6 49 8 6 78 5 03 20 150 25 00 1 1 8 8 UN 32 5 02 3 68 8 3 95 2 62 300 27 00 1 1 4 8 UN 40 6 06 4 61 8 5 04 3 59 600 28 50 1 5 8 8 UN 40 8 56 6 74 8 7 19 5 36 24 150 29 50 1 1 4 8 UN 32 5 32 3 87 8 4 41 2 96 300 32 00 1 1 2 8 UN 40 6 92 5 22 8...

Страница 11: ...8 150 11 75 3 4 10 UNC 8 3 17 2 29 300 13 7 8 9 UN 8 3 83 2 83 600 13 75 1 1 8 8 UNC 8 5 70 4 44 10 150 14 25 7 8 9 UNC 8 3 44 2 43 300 15 25 1 8 UNC 8 4 41 3 28 600 17 1 1 4 8 UN 8 6 44 5 07 12 150 17 7 8 9 UNC 8 3 50 2 50 300 17 75 1 1 8 8 UN 8 4 86 3 60 600 19 25 1 1 4 8 UN 8 6 44 5 07 14 150 18 75 1 8 UNC 8 4 22 3 09 300 20 25 1 1 8 8 UN 8 5 18 3 92 600 20 75 1 3 8 8 UN 16 6 97 5 48 Table 3 IS...

Страница 12: ... 300 24 75 1 1 4 8 UN 8 5 54 4 17 600 25 75 1 5 8 8 UN 16 7 84 6 09 20 150 25 1 1 8 8 UN 8 5 02 3 68 300 27 1 1 4 8 UN 8 5 75 4 30 600 28 5 1 5 8 8 UN 16 8 05 6 22 24 150 29 5 1 1 4 8 UN 8 5 12 3 67 300 32 1 1 2 8 UN 8 6 64 4 94 600 33 1 7 8 8 UN 16 9 12 7 04 Valve position verification 1 Check the operation of the valve by stroking it to full open and full close To verify the valve orientation th...

Страница 13: ...o wipe clean or disassemble valve and clean disc edge 4 Shaft key has sheared 4 Determine cause of shearing and correctly replace shaft key 5 Fluid solidification between bearings and shaft 5 Flush bearings Jerky operation 1 Packing is too tight 1 Loosen packing nuts cycle valve retighten 2 Air supply inadequate for the actuator 2 Increase air supply pressure and or volume 3 Actuator shaft adapter...

Страница 14: ... 7 Packing cavity shall be cleaned with Light Mineral Oil and shaft with Molykote P74 Grease or Equivalent 8 Packing washer 12 new packings 13 packing bushing 14 blow out ring 15 and packing retainer 16 shall be reassembled according to the assembly configuration noted in point 3 9 Packing retainer nuts 18 shall be assembled by hand without torque tightening equipment after applying a thin film of...

Страница 15: ...losed position along with shaft Figure 8 a If needed the packing nuts shall be loosened for frictionless rotation 5 The seal retainer screws 29 shall be removed and the seal retainer shall be carefully removed 28 6 The seal ring assembly 27 and the graphite gasket 26 shall be removed 7 The body seat shall be inspected and cleaned with a fine abrasive cloth No 600 or finer if necessary 8 The disc s...

Страница 16: ... sockethead cap screw 75 of required bolt torque Use star pattern torque sockethead cap screw 100 of required bolt torque Use circular pattern repeat 100 bolt torque to equalize load A Gear box Close stop adjustment Using gear box back out close stop adjustment 5 turns Apply handwheel torque to close valve completely Turn stop in until contact and lock the Position with jam nut as shown in the fig...

Страница 17: ...ed 4 A thin film of lubricant Light Mineral Oil shall be applied on the new spiral wound gasket 9 5 The spiral wound gasket shall then be inserted on the bottom cap 10 it shall also be centered and positioned on the body bore 6 The bottom cap shall be rotated to be accommodated to the correct position and the holes shall be centered with the threaded holes on the body 7 A thin film of lubricant by...

Страница 18: ...ing bracket and the flatness of each of these surfaces shall be maintained to close tolerances A maximum deviation of 0 2mm is recommended for Parallelism as well as for Flatness independently 5 Mounting bracket bolt holes of the top and the bottom surfaces shall be aligned precisely with each other as well as with the corresponding bolt holes of the actuator and the valve 6 Adapters for the valve...

Страница 19: ...ACKING NUTS SIZE CLASS BOLT SIZE TORQUES FT LB N M 3 150 M10 11 15 3 300 M10 15 20 4 150 M10 15 20 4 300 M10 15 20 4 600 M12 21 29 6 150 M12 22 30 6 300 M12 26 35 6 600 M16 52 70 8 150 M12 22 30 8 300 M14 33 45 8 600 M16 41 55 10 150 M14 33 45 10 300 M16 44 60 10 600 M16 48 65 12 150 M16 44 60 12 300 M16 52 70 12 600 M16 52 70 14 150 M18 74 100 14 300 M20 103 140 14 600 M20 95 129 16 150 M18 81 11...

Страница 20: ...nstallation Operation and Maintenance Manual 20 WKM TOV IOM For the most current contact and location information go to www products slb com Cameron s Valves Measurement Segment Released 09 2018 WKM TOV IOM ...

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