Forged Steel Backflow Flanged Spring Loaded Piston Check Valve

Design standard: API 602.
Body material: ASTM A105N.
Nominal diameter: 1''.
Pressure: CL150.
End connection: RF.
Face to face: Manufacturer's standard.
Working temperature: -29℃~+400℃. 
Test and inspection: API 598.

Finished Surface: Nitriding.

Standards: API, ANSI, BS, DIN, JIS and GOST.

Body material: Low Temperature Carbon Steel, Carbon Steel, Stainless Steel, Bronze.
Normal diameter: 1/2"~2" (DN15~DN50).
End connection: SW, BW, Flanged.
Pressure range: CL150~CL2500 (PN16~PN420).
Working temperature: -29℃~+400℃.