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.
Quick Details
Type: Wafer
Media: Water
Port Size: 1.5"~60" (DN40~DN1500)
Pressure: Medium Pressure, 150LB
Temperature of Media: Normal Temperature
Standard or Nonstandard: Standard
Seat: Epdm
Body: ASTM B148 C95800
Disc: ASTM B148 C95800
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, JB/T9112-9124, HG20592~20635, SH3406, ASME B16.5, DIN2543~2548, ASME B16.47.
Structural Feature
Long life span, high reliability.
Easy flow, little flow resistance.
Compact structure, beautiful design.
Can be installed vertically or horizontally.
Quick in closing, small in water hamper.
Quick reaction, good seal performance.
Short in Stroke, small in closing impact.
Short in Length, the face to facet is only 1/4~1/8 of the standard one.
Small in size and light in weight, the weight is only 1/4~1/20 of the normal one.