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Chloroprene Inline Duckbill Check Valve NBR EPDM Seat Ring No Noise Reverse Backstop Sealed

Categories Duckbill Check Valve
Brand Name: JINGNING
Model Number: XH
Certification: CE
Place of Origin: China
MOQ: 1
Price: USD 15-1000/Set
Payment Terms: L/C, D/A, D/P, Western Union, T/T, MoneyGram
Supply Ability: 5000 Sets/Week
Packaging Details: Wooden Box
Size: DN50---DN3000
Rubber Material: EPDM,NBR,SBR,NR
Connection: Flange
Warranty Time: 18 Months
Flange/Clamp Material: Carbon Steel,Stainless Steel
Company Type: Factory
OEM&ODM: Support
Product Name: Rubber duckbill valve
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Chloroprene Inline Duckbill Check Valve NBR EPDM Seat Ring No Noise Reverse Backstop Sealed

Rubber sewage disposal duckbill check valve for water treatment

Rubber Duckbill Valves is a very reliable and cost effective check valve compare to flap check valves and other conventional check valves.This valve is a special product ,and it is used for draining sewage .In many foreign countries,such as Spain , America,it is usually named as duckmouth-shaped valve .We are doing our best to make this valve more practical and more perfect .The valve can be matched with steel pipe ,cement pipe .At the same time ,they may be widely used on the coast,seasands,reservoirs,and so on.In order to dispose the sewage or to dredge the floods.


For BS EN1092-2 PN10/16 flange mounting.

Face-to-Face dimension conforms to ISO 5752 / BS EN558.

Epoxy fusion coating.

Pressure and temperature

working pressurePN10/PN16/PN25
testing pressure

Shell: 1.5 times rated pressure,

Seat: 1.1 times rated pressure.

working temperature

-10°C to 80°C (NBR)

-10°C to 120°C (EPDM)

suitable mediaWater, Oil and gas.

Main material list

bodyChloroprene rubber, Neoprene, NBR & EPDM rubber, etc.
seat ringNBR / EPDM

Features & Benefits

1. Automatically open and close according to pressure differential pressure,safe and reliable,no noise,no need of persoonnel to operate,no maintenance.

2. Forward turn-resistance ,a small start-up pressure and flow naturally adjusted according to the water pressure.

3. Reverse backstop sealed,no leaks,it prevents backflow,the greater the back pressure,the better the results.

4. Anti-corrosion,anti-aging,deformation,adaptability,long service life

5. A wide range of sizes,nominal diameterDN50-DN3000


Mainly used in water systems,drainage systems,outlet of water pumps and upgrading the pumping station and liquid aeration system.Rubber flange and valve body are as a whole, so the installation is very convenient.The valve body is designed with a full rubber, which will not cause siltation and stickin. It reduces the maintenance cost, and allow the solid particles to pass smoothly.

Quality Chloroprene Inline Duckbill Check Valve NBR EPDM Seat Ring No Noise Reverse Backstop Sealed for sale
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