API 6D Check Valve, Soft Seated, 1/2-48 Inch, 150-2500 LB

API 6D Check Valve Supplier: Soft Seated Check Valve, Carbon Steel, SS, AS, DS, 1/2-48 Inch, Class 150-2500 LB, RF, RTJ, BW, API 6D, BS 1868, ASME B16.34.

Specifications:
Nominal diameter: 1/2 Inch-48 Inch (DN15-DN1200).
Pressure range: Class150-2500 LB (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 Media: Water, Steam, Oil and natural gas, etc. (Different raw materials for different media) Cryogenic, soft seat insert design available for tight shut-off.
Design and Manufacture: BS 1868, ASME B16.34, API 6D.
Inspection and Test: API 598, API 600 or API 6D, DIN 3230. 
End Flange Dimension: DIN 2543-2545/DIN 2501, ASME B16.5 (for NPS≤24, ASME B16.47 series B, API 605, ASME B16.47 Series A, 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, DIN 3202 F1, BS 4090, BS 5153.
Pressure-temperature ratings: ASME B16.34.
Wall Thickness Dimension: API 600, BS 1868.