Gongyi City Hing Fat Pipeline Equipment Factory is a main product of the compensator, rubber joints, expansion joints, expansion joints, waterproof casing and other products. Our professional and technical personnel and excellent quality of the staff, based on the government's help and the full support of the majority of households, the product quality has been in the industry in a leading position. Our products are widely used in sewage treatment plants, petrochemical, environmental protection and other medium-sized enterprises. Duckbill valve made of elastic neoprene synthetic fibers specially processed, shaped like a beak, it said duckbill valve. In case of no internal pressure, duckbill exports itself under the action of elastic closure; With the gradual increase in internal pressure, duckbill exports gradually increased, keeping the liquid can be discharged at high flow rates. Role: rubber duckbill valve to prevent flooding and sewage intrusion shed street sewers and basements, to avoid heavy losses, to prevent the water level rises, flood intrusion shed sewage treatment plants, drainage pumping stations; prevent sewage smell or odor fluid diffusion and ready to drain; in the rainy season, to prevent urban river flood irrigation from the sewer to the street; quality is superior to shoot the door, knocked on the door to overcome some shortcomings such as closed lax. Duckbill valve is widely used in coastal, beach, pier, reservoirs, municipal drainage, sewerage, can be described as environmentally friendly green valve that replaces shoot the door check valve, shoot the door completely solved easily sand, silt, rocks, vegetation marine organisms congestion. Clamp duckbill valve Main Uses: used in waterproofing systems, drainage systems, water pump outlet, pump stations and liquid aeration system Gongyi City Hing Fat pipe plant with its own high-tech, innovative spirit always positive service to our customers, anxious customers are anxious, making the needs of customers, for your dedicated service, there is a demand, please contact us at Tel 0371-64032896, Contact: Zhang.