Nominal Diameter：1.5"-60" (DN40 - DN1500)
Working Temperature：Normal Temperature
Applicable Medium：Corrosive Medium, Oil, Other, Steam, Water
Type: Direct Connection
Driving Mode: Automatic
Sealing Form: Flexible Seal
Material: Carbon steel, Stainless steel, Alloy steel, Bronze
Structural Style: Other
Mpa: High Pressure
1. Design and manufacture of product according to American state standard ANSI B16.34, American petroleum institute standard API6D.
2. Small opening pressure, the disc can be opened fully with a very small pressure differential.
3. Rocker and hinge pin use inside-set design, reduces outer leakage point.
4.The body and bonnet of class 1500~Class 900 check valve is connected with stud. And the body and bonnet of class 1500~class 2500 check valve pressure seat structure to make product bulk small, weight light, seal credible.
Design & Manufacturing: API 6D& ANSI B16.34 & BS1868
Flanged End Dimension : ANSI B 16.5 Or MSS SP-44 for 26” & up
Face to Face Dimension: ANSI B 16.10
Pressure and temperature: ANSI B16.34
Testing & Inspection: API 598