XH-81 Pn16 Large-diameter clamp type anti-backflow nitrile duckbill check valve

The field in which the product is applicable

‌ · Water conservancy engineering: Duckbill valves are used in sluices, ship locks, water discharge culverts, etc., to control the inflow and exit of water, prevent waste of water resources, and reduce the impact of floods.
‌‌ · Sewage treatment: Installed at the inlet and outlet of sewage pipelines and sewage treatment plants to prevent sewage leakage and protect the environment.
‌‌ · Urban drainage system: Ensure that the urban drainage system is unobstructed during extreme weather conditions such as daily rainwater drainage and heavy rainfall.
‌‌ · Farmland irrigation system: Control the flow and direction of irrigation water flow to improve irrigation efficiency.
‌‌ · Shipbuilding industry: Used for the drainage and ventilation of the ship's hold to ensure the safe operation of the ship.
‌‌ · Coasts, beaches, wharves, reservoirs: Used for municipal flood drainage, sewage discharge, preventing blockage of sediment, silt, etc., and maintaining a clean environment.
‌ · ‌Airport and highway drainage: It is used for large-scale drainage and effectively prevents backflow.
‌‌ · Sewage tank discharge: It can prevent sewage from flowing from one section of the pre-buried tank to another.
‌‌ · Odor Barrier: Installing a duckbill valve in the pipe stops the odor spread of sewage or odorous fluids and allows it to be drained at any time.
‌‌ · Aeration system: The duckbill valve is ideal for municipal, factory aeration systems.
‌ · ‌Pumping station system: Used in large dewatering pumping stations to prevent backflow after the pump is shut down. The duckbill valve with full rubber structure can prevent the corrosion of seawater and reduce the head loss.

Technical Parameters

Main connection size

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FAQ

Q: What is your packing method?

A: It is first wrapped in plastic film, then packed into a carton and then packed into a wooden case. It can also be customized according to customer requirements.

Q: Do you have OEM service?

A: Yes, we can make it according to customer's requirements.

Q: What is the operating temperature range of the duckbill valve?

A: -20℃-150℃.

Q: What is the minimum order quantity?

A: 1 piece, you can also use it as a sample to test the quality of our product, and then you can order from us.

Q: How about discount?

A: It is depend on your order qty, we will offer you quality product with best price!

Q: Is it widely used?
A: Of course, it is also widely used in sewage treatment, beaches, docks and other places.

The company adheres to the business philosophy of "customer satisfaction is our first duty, all employees are responsible for creating quality, continuous improvement sets new heights, honest service builds reputation", and wholeheartedly provides high-quality products and professional services to new and old customers.

The factory mainly produces rubber expansion joints, duckbill check valves, dismantling joint, bellow expansion joints, compensators, repair clamp, 02S404 national standard waterproof casings, gate valves ,butterfly valves etc; and all products have passed ISO 9001:2015 quality management system certification; adopting national and industry standards, advanced manufacturing technology, strong R&D and manufacturing capabilities, they are widely used in water supply, drainage, electricity, chemical industry, gas, metallurgy, urban construction and environmental protection and other pipeline industries.