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Rubber Duckbill Valve,duckbill valve,slip on duckbill check valve
The rubber Duck-bill check valve is all rubber reinforced. It consists in an elastomer sleeve flattened in one end. The Duckbill valve can only be opened when the forward flow lifts the sealing flattened side of the sleeve that, otherwise its natural position is to be closed.
The rubber check valve requires no external power sources and because there is not mechanism it doesn't require maintenance, therefore it can be more competitive than other valves used for the same function such as gate valves.
Some elastomers can hand corrosive or abrasive fluids such as raw sewage, sludge or slurries. The operating temperature of the valve is limited by the elastomer temperature capacity.
1)Compared with traditional flat valves,it owns obvious advantages:
1, It will start and close automatically according to the differential water pressure,safe,reliable,noiseless,no manual operation or maintenance
2, There is smaller resistence in forward start,small pressure to start,in addition,the flux can be adjusted automatically according to the water pressure.
3, There is sound seal for back stop,no leakage,back flow prevention,the higher the back pressure is ,the better the effect is.
4, Corrosion protection,aging protection,no deformation,high adaption and long service life
5, Wide size,norminal size:DN25mm~DN5000mm
2)Applicable scope:
Applicable Scope: | |
1:Sewage systems | 7: Stormwater outfall |
2:Drainage systems | 8: Flood control systems |
3:Drainage from dams | 9: Pumping stations / wet wells |
4:Drainages in airports and highways | 10: CSO / SSO / Effluent discharge |
5:Drainages in sewers | 11: Submerged outfall diffuser nozzles |
6:Drainage from sewage reservoirs | 12:Coarse bubble air diffusers Sparging nozzles |
3)Dimension
4)application figure
5)Certificates obtained:
Rubber Duckbill Valve,duckbill valve,slip on duckbill check valve
For Sewage Treatment slip on Flexible Rubber Duckbill Valve