Customization: | Available |
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Brand Name: | Ruixuan |
Warranty: | 1 Year |
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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.
Function of rubber duckbill check valve
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.
DN | Dw | Length | H | flange outer diameter (D) | D0 |
100 | 108 | 108 | 220 | 150 | 210 |
114 | 114 | / | / | / | / |
150 | 159 | 159 | 320 | 200 | 265 |
168 | 168 | / | / | / | / |
200 | 219 | 219 | 440 | 280 | 340 |
250 | 273 | 273 | 600 | 360 | 395 |
300 | 325 | 325 | 700 | 420 | 445 |
350 | 377 | 377 | 880 | 480 | 505 |
400 | 426 | 426 | 1000 | 540 | 565 |
450 | 480 | 480 | 1120 | 600 | 615 |
500 | 530 | 530 | 1300 | 660 | 670 |
600 | 630 | 630 | 1420 | 760 | 780 |
700 | 720 | 720 | 1600 | 880 | 895 |
800 | 820 | 820 | 1800 | 980 | 1015 |
900 | 920 | 920 | 2000 | 1100 | 1115 |
1000 | 1020 | 1020 | 2300 | 1200 | 1230 |
1200 | 1220 | 1220 | 2580 | 1400 | 1455 |
Gongyi Ruixuan pipeline equipment factory was founded in 1996.It is an excellent enterprise specializing in manufacturing and selling pipe fittings.It's located in Xicun village ,Gongyi city,Henan province ,the concentrated area of pipeline equipment industry in China.The company factory is located in Xicun town pipeline equipment industrial park.It covered an area of20000 square meters.
A: We are manufacturer of lift check valve, expansion joint,rubber joint, bellow, dismantling joint, dresser coupling, flange adapter and flange with more than 12-year experience.
Q: Do you have products catalog?
A: Yes, we have. Please tell me your email or instant messager, we will send our catalog.
Q: Can you provide drawings and technical data?
A: Yes, our professional technical department will design and provide drawings and techical data.
Q: Do you provide samples? Is it free or charged?
A: Yes, we can offer sample free but shipping charges covered by customer.
Q: Can the products be manufactuered by customer's requirement?
A: Yes, the specifications stated above are the standard ones, we can design and manufacture as requirement.