Pressure Sealed Check Valve API6D WCB 900LB Flange end forged steel wafer H71 H77 H74

Pressure Sealed Check Valve API6D WCB 900LB Flange end forged steel wafer H71 H77  H74
Product Details

Cast Check Valve

Huachao Cast Check Valves are designed and manufactured strictly to international standards API 6D, BS1868, ASME B16.34 or equivalent, to reduce the flow resistance and pressure drop to the minimum possible extend which is suitable to be mounted in horizontal position only, lapped and screwed in seat ring ensures tight shut off and long duration service. Valve’s disc is perfectly designed, accurately machined and guided for efficient automatic shut off at zero pressure, with a feature of compact structure & low emission service in both swing & piston constructions.

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Pressure Seal Check Valve

Huachao Pressure Seal Check Valves are intended for high pressure high temperature applications in all types of fluid except where severe coking is a factor. The design and material selections provide excellent service in steam-generation stations, industrial chemical plants and thermal power plants. Huachao pressure seal check valves provide the most efficient flow passage and sealing features possible, resulting in a significant weight saving, easy installation and in-line maintenance.


Size ranges: 1 1/2” to 24”

Pressure ratings: class 600 to class 2500, PN110 to PN420

Structured in bolted or pressure sealed union cover

Ends connection in flange (R.F. or RTJ, thread NPT, BSPT, S.W., B.W. and grooved)

Material: carbon steel, A216, WCB, WCC, LCB, LCC, alloy steel, A217, WC6, WC9, stainless steel, A351, CF8, CF8M, CF3, CF3M, duplex & super duplex steel, A890, Gr.4A, Gr.5A

Trim material: 13Cr, F11, F22, SS304, SS304L, SS316, SS316L

Design & manufactured to API 6D, ASME B16.34

P.T. rating to ASME B16.34

Face to face dimensions to ASME B16.10

Flanged ends to ASME B16.5

Butt-weld ends to ASME B16.25

Thread ends to ASME B1.20.1

Socket-weld ends to ASME B16.11

Valve marking to MSS sp-25

Inspect & tested to API 598

Established in 1984, Huachao is one of the leading manufacturers and suppliers of quality high-tech pressure sealed check valve. We are equipped with a professional factory which has a strict quality control system. May you need it, welcome to wholesale pressure sealed check valve at competitive price with us.

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