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Short Description:

64 inch gate valve ,API600 Large Size gate valve,Cast steel ASME B16.34

Cast steel,Stainless steel and alloy steel with universal trim configurations.

28″-72″,Class150-Class2500

Face to face ANSI B16.10

End connection RF-BW-RTJ

NORTECH is one of the leading China 64 inch gate valve Manufacturer & Supplier.


Product Detail

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What is 64 inch gate valve ?

64 inch gate valve,same working prinpical and machanism as normal API600 wedge gate valves.The wedge gate valve can only be fully opened and fully closed and can not be adjusted and throttled.The gate valve was designed to be used either fully open or fully closed, because due to the shape of its obturators which have the shape of a wedge, if it were operated partially open, there would be a great loss of pressure and the sealing surface will be damanged under impact of the fluid.it's also designed and manufactured according to the American standard API600,ASME B16.34, flanged end to ASME B 16.5, and tested according API598, has a specific and restricted function to release or block the flow of different types of fluids in pipelines.

but it requires more capacities to produce the API600 large size gate valves.

  • 1)moulding system:full set of large moulding for all the body,bonnet,wedge etc.
  • 2)equipement:high precision the vertical lathes,drilling,grinding machines for large diameter.
  • 3)technical experts and skilled workforce:it's much more complicated to make the large size gate valves

Main features of 64 inch gate valve

Main Features

  • 1)Large size up to 72"(DN1800),and high working pressure up to 2500lbs
  • 2)Flexible wedge with low center stem-wedge contact, in solid CA15 (13Cr) or hardfaced with 13Cr, SS 316, Monel or Stellite Gr.6. Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage.
  • 3)Universal trim:API trim 1(13Cr),trim 5(Stellite Gr.6 faced both wedge and seat) and trim 8(Stellite Gr.6 faced on seat) are available.and other trim numbers depending the the body materials chosen.
  • 7)Seat face Stellite Gr.6 alloy hardfaced, ground and lapped to a mirror finish.,Stellite hardfaced CF8M wedge is also available on request.

Technical specifications of 64 inch gate valve

Specifications:

Design and Manufacturing API600,ASME B16.34
NPS 28"-72"
Pressure rating Class150-Class2500
Body Materials WCB, WC6, WC9, WCC, CF8, CF3, CF3M, CF8M, 4A, 5A
Trim  Trim 1,5,8 and other trims on request
Face to Face ASME B16.10
Flange Standards ASME B16.47
Buttweld ASME B 16.25
End Connection RF,RTJ,BW
Inspection and Test API598
Operation Worm gear,Electric actuator
NACE NACE MR 0103 NACE MR 0175

 

Product Show:64 inch gate valve

large-size-gate-valve-56-150
wedge-gate-valve

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