Overview
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications.
Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. The bodies of most check valves are made of plastic or metal.
Alloy Steel Wafer Double Plate Check Valve
With the improvement of technologies of valve, valve areas continuously expanding, the corresponding valves standard is more and more indispensable. Valve industry has entered a period of innovation, product categories require not only new replace, internal management of enterprises also need to be based on industry standards for further reform.
Materials
WCB CF8 CF3 GR4A Hastelloy C etc.
1. End Connection: RF, RTJ, BW
2. Nominal Diameter: 2" - 24" (DN50 - DN600)
3. Pressure: Class 150 - Class 2500 (PN16 - PN150)
4. Working Temperature: -196℃ - +560℃
5. Body Material: Carbon steel, Stainless steel, Alloy steel, Bronze
6. Medium: Water, Air, Steam, Oil, etc
7. Operation: Handwheel, Electric, Pneumatic, etc
Product features
To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.
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