Double Door Wafer Check Valve
Description
Product Description
Characteristic of Duo-check valve
- Small in size, light in weight, compact in structure, easy in maintenance.
- Two torsion springs are added to each of the pair valve plates, which close the plates quickly and automatically.
- The quick-close action prevents the medium from flowing back.
- Short face to face and good rigidity.
- Easy installation, it can be installed on both horizontal and vertical direction pipelines.
- This valve is tightly sealed, without leakage under the water pressure test.
- Safe and reliable in operation, high interference-resistance.
- Material of different parts:1.Body: Ductile Iron
2.Disc: Ductile Iron
3.Shaft: SS416
4.Seat: EPDM
5. Spring: SS304
- Pressure PN10
Other choices of Non Return Valve Butterfly Check Valve Dual Plate Check Valve
No. Part Material Material Material Series AH EH Series BH Series MH 1 Body CI DI WCB CF8 CF8M C95400 CI DI WCB CF8 CF8M C95400 WCB CF8 CF8M C95400 2 Seat NBR EPDM VITON DI Covered Rubber NBR, EPDM, VITON 3 Disc DI C95400 CF8 CF8M DI C95400 CF8 CF8M WCB CF8 CF8M C95400 4 Stem 416 304 316 304 316 WCB CF8 CF8M C95400 5 Spring 316 316 —-
Min. opening pressure of Butterfly Check Valve Wafer type for Water:
- The min. opening pressure of series AH, BH, EH is about 0.03 bar when installed horizontally.
- The min. opening pressure is about 0.1 bar when installed vertically.
- The min. opening pressure of series MH is about 0.05 bar.
