Structural Feature
1. Long life span, high reliability.
2. Easy flow, little flow resistance.
3. Compact structure, beautiful design.
4. Can be installed vertically or horizontally.
5. Quick in closing, small in water hamper.
6. Quick reaction, good seal performance.
7. Short in Stroke, small in closing impact.
8. Short in Length, the face to facet is only 1/4-1/8 of the standard one.
9. Small in size and light in weight, the weight is only 1/4-1/20 of the normal one.
Specifications
Size: DN40 - DN600mm
Pressure: PN1.0 - 1.6MPa
Working Temperature: -196℃ - +560℃
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Stem: Stainless Steel
Spring: Stainless Steel
Main Parameter Specification
BW end Dimension: ASME B16.25
Face to Face and End to End: ASME B16.10
Pressure-temperature ratings: ASME B16.34
Wall Thickness Dimension: API 600, BS 1868
Inspection and Test: API598, API600 or API 6D
End Flange Dimension: ASME B16.5 (for NPS≤24, ASME B 16.47 series B)
Design and Manufacture: Cast Steel Check Valve to BS 1868, ASME B16.34
