weather resistance rubber EPDM Flange Duckbill Check Valve

Product Overviews

Weather resistance rubber EPDM Flange Duckbill Check Valve

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.

Product structure

Connection size of Flanged Duckbill Rubber Check Valve
Type	Nominal diameter of pipe	Length	Height	External diameter of flange
XH8150-125-X	50	125	47	150
XH8180-175-X	80	175	72	200
XH81100-225-X	100	225	97	225
XH81150-320-X	150	320	47	275
XH81200-375-X	200	375	197	338
XH8125-475-X	250	475	247	400
XH81300-560-X	300	560	297	485
XH81350-625-X	350	625	344	525
XH81400-700-X	400	700	394	588
XH81450-780-X	450	780	444	625
XH81500-880-X	500	880	494	688
XH81600-1000-X	600	1000	494	800
XH81700-1000-X	700	1100	694	969
XH81800-1260-X	800	1260	794	1080
XH81900-1400-X	900	1400	894	1150
XH811000-1520-X	1000	1520	988	1250
XH811200-1725-X	1200	1725	1188	1485

The above data is for reference only. If you need special size and pressure, we can provide customized service. Please click here to contact us on alibaba.com

Application

Rubber duckbill valve can prevent flood and water intrusion into the sewers and streets of the basement, to avoid significant losses, prevent the water level rising, flooding into the sewage treatment plant, drainage pumping station, prevent sewage or the smell of fluid diffusion, and be ready for drainage.

Characteristics

1. 100% all rubber structure, can meet the requirements of various anti-corrosion (according to the actual demand, can choose different rubber material).

2. no blockage, good sealing.

3. long service life, no trouble, no maintenance.

4. no moving parts and mechanical parts, no electrical signals and manual operation, no noise.

5. open pressure is small, more than 0.01 meters of water head can open.

6. under normal conditions, head loss can be reduced to a minimum.

7. can transform a variety of installation forms, to meet customer needs.

8. easy installation, low cost, low operating costs.

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Certifications

Packaging & Shipping

Inner: plastic film packing.

Outer: export wooden cases.