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Neoprene Rubber Check Valve , One Way Rubber Valve Oil Resistent Chloroprene Rubber Body

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
Certificate: ISO9001,CE
Connection: Clamp
Warranty Time: 18 Months
Rubber material: EPDM,NBR,SBR
OEM: Support
Open Pressure: 0.1Mpa
Company type: Factory
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Neoprene Rubber Check Valve , One Way Rubber Valve Oil Resistent Chloroprene Rubber Body

Flange type check valve duckbill neoprene rubber oil resistent

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

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.

2.Constructioninner core,outer cover,frame,metallic ring,
3.connector approvalflange,flange type,threaded type flexible coupling rubber
4.typesingle sphere,double sphere and reducing sphere,
5.threadsBSPT ,BSP,NPS,NPT,Metric
6.flange drilledBS,ANSI,DIN,JIS,UNI,or others provided drawings sample
7.surfacegalvanized ,epoxy
8.normal sizesingle sphere(DN32-DN3000),double sphere(DN32-DN1200)threaed flexible coupling rubber (DN15-DN80)
9.usageprotecting piping and equipment system from stress or motion


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 Neoprene Rubber Check Valve , One Way Rubber Valve Oil Resistent Chloroprene Rubber Body for sale
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