Factory Custom Sea Water Pressure One Way Drain Valve Prevent Backflow Flange Rubber Duckbill Reducing Check Valve Supplier

Straight mouth type, curved mouth type duck mouth valve can prevent flood and sewage backflow into street sewers and basements, avoid heavy losses, prevent flood backflow into sewage treatment plants and waterlogging pumping stations when the water level rises; Prevent the smell of sewage or smelly fluids from spreading, and can be drained at any time; During the rainy season, it can stop the flooding of urban inland rivers from the sewers to the streets; The quality is better than the door, and some defects such as the door closing are overcome.

Product Applications

This duckbill check valve is widely used in sewage treatment plants, municipal drainage systems, and industrial wastewater treatment systems. It can be installed in pipelines to prevent the backflow of sewage and ensure the smooth flow of the pipeline.

About us

Henan Jingyuan Water Supply Equipment Co., Ltd. produces all kinds of special acid and alkali resistance, high temperature resistance, high pressure resistance, negative pressure resistance, oil resistance and other materials rubber joints. American standard, Russian standard, German standard, British standard, Japanese standard, Korean standard and other rubber joints. There are also double flanged force transfer joint, expansion joint, large deflection loose sleeve compensation joint, flanged spherical joint, corrugated expansion joint, thermal sleeve compensator, flexible, rigid waterproof sleeve, V-type connector, steel flexible clamp joint, stainless steel round and rectangular corrugated compensator, smoke duct rubber, fiber fabric compensator. The company's products are widely used in petroleum, chemical industry, steel, metallurgy, machinery, transportation, shipbuilding, wharf, construction, paper making, textile, electric power heating network, pharmaceutical, water supply, drainage, electric power, metallurgy, urban construction, chemical environmental protection and other industries.

The company produces caliber DN15-DN4000 (1/2'-160'), rubber materials mainly include NR, EPDM, NBR, NEOPRENE, etc., metal materials mainly include Q235, Q345, SS304, SS316 and so on. Metal bellows expansion joint GB/T12777-2008, metal hoses GB/T14525-1993 technical standard. The product has the characteristics of high temperature resistance, high pressure resistance, corrosion resistance, fatigue resistance, wear resistance, high safety, etc. The product manufacturing technology is exquisite, the structure is novel and easy to install.

The company's products have been widely used in water supply, heating, power, chemical, gas, metallurgy, thermal power, environmental protection and other pipeline industry projects. The company has cooperated with hundreds of enterprises at home and abroad, and its products are exported to the United States, Britain, Germany, South Korea, Vietnam, Japan, Singapore, Spain and other parts of the world.

Jingyuan water supply continues to adhere to the "unity, hard work, pragmatic, efficient" spirit of enterprise, to provide customers with better products and services.