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  • forged steel check valve

Forged steel check valves have three different design structures, namely lift check valves, ball check valves, and swing check valves, with full diameter or reduced diameter.
The connection type between the valve body and the valve cover adopts bolted, welded, and self sealing.

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Design specifications:
Design standards: API 602, ASME B16.34
Structural length: ASME B16.10, GB/T 12221, factory standard
Connection standard:
1) Socket end: ASME B16.11;
2) Threaded connection end (NPT): ASME B1.20.1;
3) Welding end: ASME B16.25
4) Flange end: ASME B16.5;
Inspection and Testing: API 598
Temperature pressure rating: ASME B16.34
 
Performance parameters:
Pressure rating: CL 150~CL 2500 (PN10-PN420)
Nominal size: NPS 1/4~NPS3 (DN8-DN80)
Main materials: A105, LF2, F5, F11, F22, F91, F304 (L), F316 (L), F347, F321, F51, MONEL, 20 alloy, etc
Applicable temperature: -29~540 ℃
Application areas: Mainly applicable to various industries such as gas, petroleum, chemical, power, and metallurgy.

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