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Document Number:

TC003001-10

Revision

: Rev 2

WKM® Model MB DynaCentric®

High Performance Butterfly Valve

Installation, Operation, and Maintenance Manual

Summary of Contents for WKM MB

Page 1: ...Document Number TC003001 10 Revision Rev 2 WKM Model MB DynaCentric High Performance Butterfly Valve Installation Operation and Maintenance Manual ...

Page 2: ...ocedures included in this book are to be performed in conjunction with the requirements and recommendations outlined in API Specifications Any repairs to the equipment covered by this book should be done by an authorized Cameron service representative Cameron will not be responsible for loss or expense resulting from any failure of equipment or any damage to any property or death or injury to any ...

Page 3: ...acer 8 Nameplate 21 Gland Ring 9 GlandRetainer 22 Seat 10 Gland Retainer Stud 23 PackingSet 11 GlandRetainerNut 25 BottomCover 13 Stem 26 BottomCoverGasket 14 Disc 27 Bottom Cover Screw 15 Lower Stem 10 300 and larger and 12 150 and larger see Figure 3 Table 1 Cameron Valves WKM 2 1 2 24 Class 150 and 300 DynaCentric Wafer Valve Components Figure 1 Cameron Valves WKM 2 1 2 24 Class 150 and 300 Dyn...

Page 4: ...Nameplate 21 Gland Ring 9 GlandRetainer 22 Seat 10 Gland Retainer Stud 23 PackingSet 11 GlandRetainerNut 25 BottomCover 13 Stem 26 BottomCoverGasket 14 Disc 27 Bottom Cover Screw 15 Lower Stem Figure 2 Cameron Valves WKM 2 1 2 36 Class 150 and 300 DynaCentric Lug Valve Components Table 2 Cameron Valves WKM 2 1 2 36 Class 150 and 300 DynaCentric Lug Valve Components 10 300 and larger and 12 150 and...

Page 5: ...ontrolled hardness carbon steel H2S Service 2 Valves equipped with 316 SS stems may requirede rating depending on size and class 3 With bolted seat retainer 4 Ref Inconel 5 Ref Monel 6 Ref Stellite overlay SS Disc 17 4 Stem 02 SS Disc Ni Cr4 Stem 03 Ni Cu 5 Disc Ni Cu 5 Stem 04 SS Disc 316SS Stem 2 05 SS Disc HF 6 O L 6 17 4 Stem 06 SS Disc HF 6O L6 NI Cr 4 Stem 07 TFE S01 RTFE S02 SS RTFE F02 Ni ...

Page 6: ...MB 2 Standard with MTR package MB 3 P E D compliant with CE marking STORAGE After assembly and test The WKM DynaCentric MB High Performance Butterfly Valves are placed in the closed position Carbon steel valve internals are coated with rust preventative and painted on the external surfaces Item Description 1 Valve Size 2 Model Number 3 Bill of Material Number 4 Work Order Number 5 Stem Material 6 ...

Page 7: ...closing torque with increasing pressure and reduces the hazard associated with handle operation Although The WKM DynaCentric MB High Performance Butterfly Valves will seal with flow from either direction switching flow from side to side should be avoided Once a flow direction is established the seat tends to conform to the disc edge and may take a set making it difficult to establish a seal from t...

Page 8: ...ts Install the remaining flange bolts taking care that the gaskets are centered on the flange faces Figure10 Note While the WKM DynaCentric MB High Performance Butterfly Valve has bi directional sealing capabilities the preferred position is seat upstream Figure 6 Handle operated valves or fail close valves should be installed seat downstream stem side facing flow 3 Lug body valves should be posit...

Page 9: ... asbestos gaskets made in accordance with ASME B16 5 and B16 47 series A Group 1a and 1b are standard for the WKM DynaCentric MB High Performance Butterfly Valve ASME 16 20 standard spiral wound gaskets may also be used Slip in seat retainers provide 100 gasket contact The screw heads of bolt in seat retainers protrude into the gasket surface less than 33 FLANGES Recommended bolt and stud lengths ...

Page 10: ... 2 00 4 300 7 7 8 3 4 10 UNC 8 6 50 16 2 25 5 150 8 1 2 3 4 10 UNC 8 6 00 16 2 00 5 300 9 1 4 3 4 10 UNC 8 7 00 16 2 25 6 150 9 1 2 3 4 10 UNC 8 6 25 16 2 00 6 300 10 5 8 3 4 10 UNC 12 7 25 24 2 50 8 150 11 3 4 3 4 10 UNC 8 6 75 16 2 25 8 300 13 7 8 9 UNC 12 8 25 24 3 00 10 150 14 1 4 7 8 9 UNC 12 7 25 24 2 50 10 300 15 1 4 1 8 UNC 16 9 50 32 3 25 12 150 17 7 8 9 UNC 12 7 75 24 2 75 12 300 17 3 4 ...

Page 11: ... 3 150 X X 2 63 3 300 X X 2 63 4 150 X X 3 65 4 300 X X 3 65 5 150 X X 4 61 5 300 X X 4 61 6 150 X 5 83 6 300 X 5 83 8 150 X 7 87 8 300 X X 7 65 10 150 X 9 85 10 300 X X 9 60 12 150 X 11 8 12 300 X 11 63 14 150 X 12 55 14 300 X X 12 4 16 150 X 14 45 16 300 X X 14 23 18 150 X 16 45 18 300 X X 16 05 20 150 X 18 12 20 300 X X 17 82 24 150 X 21 71 24 300 X X 21 5 36 150 X 34 12 ...

Page 12: ...e valve is open When they are perpendicular the valve is closed In all cases when the valve is closed the handle is perpendicular to the run of the pipe Figure 16 and when the valve is open the handle is parallel to the pipe Figure 17 Maximum recommended pressure differential for handle operated valves 2 1 2 450 psi 3 400 psi 4 300 psi 5 200 psi 6 150 psi 8 50 psi WORM GEAR OPERATED Worm gear oper...

Page 13: ... is present between seat and disc Operate several times to wipe clean Operator stops are not set properly Adjust stops to proper setting The valve is hard to operate Buildup of solids or roughness on edge of disc Operate several times to wipe clean or disassemble valve and clean disc edge Stem packing is too tight Tighten packing only sufficiently to stop leaks Operator is not installed properly R...

Page 14: ...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 73143 Tel 405 631 1321 For more information www c a m com WKM WKM c a m com ...

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