API 594 Check Valve

The main purpose of the dual plate wafer check valve is to perform the work of almost any conventional valve. However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain. It is also a silent check valve; because of it’s innovative design, it does not slam upon closing.
The dual plate wafer check valve plate design and flat seat offer many advantages. The flat seat eliminates any possibility of board snaps in the seat, which snaps occur frequently in other valves. When suspended in a vertical pin, the two plates have a reduced weight which eliminates excessive wear on the plate lugs. This wear can cause the plate to collapse on the seat’s open surface, causing the valve to subsequently fail.

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Category:
Design standard: API 594
Length of structure: API 594
Pipe flange: ASME B16.5
Wall thickness: ASME B16.34
Inspection and test: API 598
Pressure and temperature rating: ASME B16.34
Product scope: NPS 1/2″~NPS 36″,CL150~CL2500
Main body material: WCB, LCB, WCC, WC6, WC9, CF8, CF8M, CF3, CF3M, A890 4A, A105, LF2, F11, F22, F51, F91, F304, F316, F304L, F316L etc.

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