| Brand Name: | Ruixuan |
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| Warranty: | 1 Year |
| Material: | Rubber,Carbon Steel,Stainless Steel |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.
The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.
The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.
Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees' contributions; Make a contribution to the society of enterprises, give back to the good times. Gongyi Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
A: We are manufacturer of lift check valve, expansion joint,rubber joint, bellow, dismantling joint, dresser coupling, flange adapter and flange with more than 20-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.
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