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
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
Size chart of duckbill rubber backflow preventer
|DN||pipe size||orifice bur（a）||pipe collection（b＞）|
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.