Alloy Steel Wafer Check Valve
Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa~42.0 MPa,Class150~2500 and nominal diameter of DN15~1200mm,NPS1/2-48 and working temperature of -196~540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.
Nominal Diameter：1.5"-60" (DN40 - DN1500)
Mpa: High Pressure
Working Temperature：Normal Temperature
Material: Carbon steel, Stainless steel, Alloy steel, Bronze
Applicable Medium：Corrosive Medium, Oil, Other, Steam, Water
Type: Direct Connection
Driving Mode: Automatic
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
The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.
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