Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING Specialized In Rubber Expansion Joints
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Rubber Sewage Disposal Duckbill Check Valve
Introduction of rubber duckbill check valve price
Duckbill check valve is consist of elastic neoprene rubber and man-made fiber,made by special processing,the shape is similar to the duckbill, so called duckbill valve. Under the condition of no pressure inside, the duck mouth is closed under the action of elastic force,with the increase of internal pressure, the exit of duckbill gradually increases,and the liquid can be discharged at high flow rate.
Specification
For BS EN1092-2 PN10/16 flange mounting.
Face-to-Face dimension conforms to ISO 5752 / BS EN558.
Epoxy fusion coating.
Pressure and temperature
| working pressure | PN10/PN16/PN25 |
| testing pressure | Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
| working temperature | -10°C to 80°C (NBR) -10°C to 120°C (EPDM) |
| suitable media | Water, Oil and gas. |
Main material list
| part | material |
| body | Chloroprene rubber, Neoprene, NBR & EPDM rubber, etc. |
| seat ring | NBR / EPDM |
| seat | metal |
Features & Benefits
•Packaged in pallet box containers or on pallets, adequately protected for shipment.
•Each valve is individually tested.
•Various materials and services available to meet your unique requireme
Application:
Mainly used in water systems,drainage systems,outlet of water pumps and upgrading the pumping station and liquid aeration system.Rubber flange and valve body are as a whole, so the installation is very convenient.The valve body is designed with a full rubber, which will not cause siltation and stickin. It reduces the maintenance cost, and allow the solid particles to pass smoothly.