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swing check valve

Application:  Check valves are used in pipes under pressures between PN1.6~16.0Mpa (class150 ~ 2500lb), working temperature -196℃~ 60℃. They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backward flux of the media.

Standards
Design and Manufacture: BS1868 or API6D
Inspection and Test: API 598 or API6D
End flange dimension: ASME B16.5, ASME B16.47A, MSS SP-44; ASME B16.47B, API605
BW end dimensions: ASME B16.25
Face to face and end to end: ASME B16.10
Pressure-temperature ratings: ASME B16.34
Wall tickness dimension: API600 and BS1868


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