The rubber check valve is mainly composed of three main parts: the valve body ,the bonnet ,and rubber disc. The rubber of the valve is made of steel plate, pin shaft and reinforced nylon cloth as the backing, and the outer layer is covered with rubber. The valve disc has a long switch life.
Adopting the design of full flow area, it has the characteristics of small head loss, not easy to accumulate debris, gradual maintenance, and good low-pressure sealing.
No. | Parts | Material |
1 | Body | Ductile iron |
2 | Disc | WCB+ EPDM/NBR |
3 | Bonnet | Ductile iron |
4 | Stem | Stainless steel |
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