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.
Product Range：
End Connection: RF,RTJ, BW
Working temperature:-196℃~+560℃
Nominal diameter:1.5"~60"(DN40~DN1500)
Pressure range: Class150~2500(PN16~PN420)
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
Advantages
Light weight
Compact design
Easy installation
Suitable for horizontal and vertical up flow
Good flow characteristic and less pressure drop
Main Parameter Specification
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D, JB/TB8937;
Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74;
Pipe flange: JB/T74~90, HG20592~20635, SH3406, ASME B16.5, DIN2543~2548, GB/T13402, API605, ASME B16.47.