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Metal Seat Silicone Duckbill Valve , Vacuflush Duckbill Valves Convenient Installation

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
Connection: Flange,Clamp
Flange Standard: DIN,BS,ANSI,JIS
Flange/Clamp Material: Carbon Steel,Stainless Steel
Company Type: Factory
OEM&ODM: Support
Product Name: Duckbill Valve
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Metal Seat Silicone Duckbill Valve , Vacuflush Duckbill Valves Convenient Installation

Rubber Flap Flange Type Water Silicone Duckbill Check Valve

Duckbill check valve slowly closing cut off valve is a new water supply and drainage valve with full rubber structure ,”duck-mouthed” appearance and function of “positive flow –in and reserve-off”. According to thrust analysis and calculation as well as different operation condition .it is manufactured with different design mechanism and different rubber products by special processing .At positive operation the water flow in form entrance and the valve will be open at weak hydraulic pressure ;the hydraulic pressure id higher ,the valve gate will open more greatly and the water flow is greater .At reserve operation ,the valve gate closes naturally and seals tightly cut-off valve ;the back pressure is higher ,the valve gate closes more tightly and the seal effect is better .it is used widely in various drainage exit to prevent form pouring backwards and flowing backwards in city planning ,water conservancy and sewage disposal etc. it is the ideal product to replace flap valve.

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
Packaged in pallet box containers or on pallets, adequately protected for shipment.
Each valve is individually tested.
Various materials and services available to meet your unique requireme


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 Metal Seat Silicone Duckbill Valve , Vacuflush Duckbill Valves Convenient Installation for sale
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