API Wafer Type Check Valve

Body Material: Carbon Steel, Stainless Steel, Alloy Steel.
Normal Diameter: 2 Inch – 60 Inch (DN50-DN1500).
End Connection: BW, Flanged.
Pressure Range: 150 – 2500 LB (PN16-PN420).
Operation: Lever, Gearbox, Electric, Pneumatic, Electro Hydraulic Actuator, Gas Over Oil Actuator.
Working Temperature: -46℃-+200℃.

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API Wafer Type Check Valve


1.Design and manufacture:ap594、APi6D
2.Face to Face:API594,AP6D,DIN3202
3.Pressure-temperature ratings: ASME B 16.34
4.Inspection and test:API 598,API 6D
5.End flange dimension: ASME B16.5,ASME B16.47,AP605,MSS SP-44,ISO7005-1,DIN2543-2548

Structure features

I. It is short in face to face dimensions, being l/4-1/8 times that of traditional flange type check valve
2.It is impact in volume size and light in weight of about 1/4-1/20 times that of traditional flange type check valve.
3.The disc closes quickly with less water hammer pressure
4.It is convenient in installation, being available for use on level or vertical pipelines.
5.Flow passage is fluent with less flow resistance.
6.It acts sensitively with good sealing effect
7.Disc travel is short with less impact force caused by valve closing
8.It is impact in integral structure with nice outline view
9.It is longer for service life with high reliability

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