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Socket duckbill valve

Socket duckbill valve

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Duckbill Valve
Describe
Socket duckbill valve
The socketed duckbill valve is a new type of water supply and drainage valve with a special structure and a duckbill shape, with positive discharge and reverse check function. The valve does not have any moving parts and is free of any maintenance. It can be used for straight pipe, flange pipe, cement pipe and glass steel pipe. It is widely used in various water discharge ports such as coast, beach, dock, reservoir, municipal flood discharge, sewage pool discharge, odor barrier, pump station system and so on. The socketed duckbill valve has the advantages of cushioning, noise reduction, maintenance-free and non-corrosive. Its sealing performance, harsh performance and improved seawater purification performance are far better than filming. It solves the problem of poor operation, large leakage, valve seat wear and part deformation due to many mechanical faults or butterfly check valves. And the technical problems of corrosion, noise, and frequent maintenance and replacement. It is called a green valve. The socketed duckbill valve is used in sewage systems, drainage systems, pump outlet lift pump stations and submerged aeration systems.
 
This product has 100% elastic rubber structure, the clamp is stainless steel or wear-resistant and corrosion-resistant material; maintenance-free, prevent backflow, solid particle jam can still be closed tightly; it will not freeze when opening and closing; less head loss is lost; The special requirements are customized, durable and long lasting for 50 years. Made of neoprene, nitrile rubber, fluoro rubber, etc.
 
[product alias]: Socket duckbill valve
[product specifications]: DN50-DN450
 
Features
The socketed duckbill valve can effectively prevent reverse backflow and sediment formation. The difference from the conventional fixed pipe outlet is that the jet velocity of the socketed duckbill valve has a complex nonlinear relationship with the outlet flow. The flow rate of the sewage discharged from the socketed duckbill valve reaches the flow rate required for effective mixing. It is much smaller than the flow rate required for the same mixing of the circular pipe. Various tests are carried out on the flow characteristics of different valve ports. The data were analyzed to obtain a universal two-dimensional internal dynamics calculation formula. These test results show that the use of a socket-shaped duckbill-shaped valve can make the diffusion more stable, at the same time the jet velocity is high, the energy is also large, and the laser speed is measured. The technique studies the vicinity of the mixing area of ​​the duckbill valve jet, and the results show that the duckbill-shaped discharge port has a better diffusion effect than the standard round nozzle.
The special shape structure of the socketed duckbill valve makes it convenient and quick to prevent backflow irrigation, saving time and effort. And because of its simple structure, it does not require any maintenance work during use. The socket type duckbill valve is designed according to national standards, with good quality and excellent price, strong and durable, and sufficient elasticity. It has the function of positive inflow and reverse backstop.
 
Technical Parameters
Matching Pipeline Diameter

 

Valve Step(A) Pipeline Touching(B>)
1/2″~3/4″

15

15

1″~1-1/4″

20

20

1-1/2~2-1/2 25

25

3″ 40

40

4″

50

50

6″

50

50

8″ 50

50

10″ 50

50

12″~14″ 100

100

16″~20″

150

150

24″~36″

200

200

42″ 250

250

48″~60″ 300

300

72″ 400

400

Description: DN800~1800 (32′′~72′′) double hoop Note:DN800~DN1800(32′′~72′′) double hoops

 

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