Duckbill Backflow Preventer

Item: check valve
Brand: Kemus, OEM also accepted
Size: DN50-1800
Delivery: 5-25 days
Price: to be negotiable

Product Details

    Duckbill Check Valve



Introduction of the duckbill rubber check valve

Duckbill valve is used in a waterproof system, discharge system, water pump outlet, lifting pump station and submerged aeration system. The main feature of the product: the rubber flange and the valve body are integrated, and the installation is extremely convenient. The valve body adopts all-rubber design, which will not cause siltation and jamming, which reduces maintenance costs and allows solid particles to pass smoothly. Valve body manufacturing materials: neoprene, Hyprolon, nitrile rubber and ethylene-propylene rubber, etc.; flange material: Q235, 304, 316, etc.

When storing and transporting, pay attention to:

A. V-type rubber check valve should be placed in a low temperature and dry place;

B. Set the floor or down above the ground level;

C. The valve should be far away from the heat source, ozone, engine oil, strong acid, strong alkali area;

D. It is strictly forbidden to expose to sharp and strong radiation and to bear weight;

E. It is strictly forbidden to scratch the surface with sharp instruments;

F. The packing box is marked with "↑", and it is not allowed to lay upside down or flat.




Main product parameters of duckbill non-return valve

material: rubber

Connection form: clamp

Type (channel position): socket type

Drive mode: manual

Medium temperature: 80℃

Working pressure difference: 1.0

Product alias: control valve

Scope of application: water, seawater, oil

Flow direction: one-way

Purpose: Flow control

Pressure environment: normal pressure


duckbill backflow preventer supplier


Size chart of duckbill rubber backflow preventer 

DNpipe sizeorifice bur(a)pipe collection(b>)
502"2020
652"-1/2"2525
803"4040
1004"5050
1506"5050
2008"5050
25010"5050
300、35012"~14"100100
400、450、50016"~20"150150
600、700、800、90024"~36"200200
100040"250250
1200、1400、160064"300300
180072"400400






Packing and loading about  rubber duckbill backflow preventer

duckbill backflow preventer shipment



FAQ

Q: Can we visit your factory before placing orders?

A: Welcome to visit our factory.

Q: How long is your delivery time?

A: It depends on item and quantity. Normally, 7-25 days is enough.

Q: Do you provide samples? Is it free?

A: Yes, we could offer the sample with favourable price. However, freight is cover at your side.

Q: What are your terms of payment?

A: Various payment is accepted. We could discuss it when you place an order.

Q: Do you provide related accessories?

A: If needed, we could provide them.




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