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.
End Connection: RF, RTJ, BW
Nominal Diameter: 1.5" ~ 48" (DN40 ~ DN1200)
Pressure Range: Class 150 ~ Class 900 (PN16 ~ PN150)
Working Temperature: -196℃ ~ +560℃
Body Material: Carbon steel, Stainless steel, Alloy steel, Bronze
Design and Manufacture Stand: API 594
End to End Dimension Standard: API6D
Inspection and Test Standard: API 598
Flange End Dimension Standard: ANSI B16.5
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