Overview: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.
Built in double-disc wafer swing check valve
Metal seal or rubber seal
End Connection: RF,RTJ, BW
Nominal diameter: 1.5" ~ 60" (DN40 ~ DN1500)
Pressure range: Class 150 ~ 2500 (PN16 ~ PN420)
Working temperature: -196℃~+560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
1. Low volume, light weight, only 1/4-1/20 of those of traditional flanged check valve;
2. Short structural length, only 1/4-1/8 of that of traditional flanged check valve;
3. Applicable for and easily installed for vertical or horizontal pipelines;
4. Integrated structure, simple and compact, in beautiful shape;
5. Quick valve disc closedown, low water hammer pressure;
6. Smooth flow passageway and small fluid resistance;
7. Narrow valve travel and small closedown impact;
8. Flexible action and good sealing performance;
9. Long service life and good reliability.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of wafer type dual plate swing 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.
Zhejiang Naibang Valve CO., LTD, Founded in 2000, is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.
The main product are wafer check valves, ball valves, gate valves, globe valves, forged steel valves, and have obtained ISO9001 , API 6D , CE Certificate and TS management system certifications.