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.
1. Nominal diameter:
2" - 24" (DN50 - DN600)
2. Pressure range:
Class 150 - Class 2500 (PN16 - PN150)
3. Working temperature:
4. Body material:
5. End Connection:
Face to Face
API594, API6D, JB/T8937
API594, API6D JB/T8937
JB/T74-90, GB/T13402, GB/T9112-9124, HG/T20592-20635, SH3406, ANSI B16.5, API604, ASME B 16.47, DIN2543-2548
JB/T74, GB/T9124, HG20604-20625, ASME B16.34, DIN2401,SH3406
1. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect.
2. The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise.
3. It can be installed on horizontal and vertical pipelines.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of metal seat wafer double disc 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.