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| forge steel check valve feature:
1.Size: 2"-30"
2.Pressure: 200 PSI
3.Material: WCB, CF8, CF8M
4.Manufacture standard: API 603, BS 1868
5.Threaded End: NPT, BSP, BSPT, DIN259/2999
6.Flange End: ASME B16.5, ASME B16.47
7.Welding End: ASME B16.25
8.Test: API 598, API 6D
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