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
Working temperature: -196℃ ~ +560℃
Nominal diameter:1.5" ~ 60" (DN40 ~ DN1500)
Pressure range: Class 150 ~ 2500 (PN16 ~ PN420)
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze, etc
Operation: Hand Wheel, Gear, Electric, Pneumatic, etc
Applicable medium：Air, Oil, Water, Steam, Other
Design and Manufacture Stand: API 594
End to End Dimension Standard: API6D
Flange End Dimension Standard: ANSI B16.5
Inspection and Test Standard: API 598
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of lug end double plate check valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.