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.
Carbon Steel, Stainless Steel, Alloy Steel, etc
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
About this product:
Nominal diameter: DN40 - DN600
Pressure range: PN1.0 - 1.6MPa
Working temperature: -196℃ - +560℃
Stem: Stainless Steel
Spring: Stainless Steel
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, etc
Main Parameter Specification
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D, JB/TB8937;
Face to face and end to end: API6D, DIN3202, JB/T8937;
Pressure-temperature rating: GB/T9124, HG20625, SH3406, JB/T74;
Pipe flange: JB/T74~90, ASME B16.5, DIN2543~2548, GB/T13402, ASME B16.47.
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|Design||ASME B16.34, API6D|
|Fire safe||API 607|
|Anti static||API 608, API6D|
|Face to face||ASME B16.10, API6D|
|Welding ends||ASME B16.25|
|Inspection and test||API 598, API 6D|