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OEM Best Brass Check Valve Factories – 4A F51 5A F55 Non-return Valve Check valve – UNIQUE

Specifications

Nominal diameter:1/2"~48"(DN15~DN1200) Pressure range: Class150~2500(PN16~PN420) Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel Trim (Disc/Stem): Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel End Connection: RF,RTJ, BW Working temperature:-196ºC~+560ºC Suitable Medium: Water, Steam, Oil and natural gas etc.( Different raw material for different medium) Cryogenic, soft seat insert design available for tight shut off where required. Design and Manufacture: BS 1868,ASME B16.34,API 6D Inspection and Test: API598,API600 or API 6D,DIN 3230 End Flange Dimension: DIN 2543-2545/DIN 2501,ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series,MSS SP-44(for NPS>24) BW end Dimension: ASME B16.25 Face to Face and End to End: ASME B16.10, MSS SP-71 DIN3202 F1 , BS4090 /BS5153 Pressure-temperature ratings: ASME B16.34 Wall Thickness Dimension: API 600,BS 1868