Rubber Duckbill Check Valves
Rubber Duckbill check valves are widely used in coastal, beach, wharf, reservoirs, municipal flood discharge, sewage which can be described as environmental protection green valve. The valve replaces the flap door check valve, completely solving the problem that the flap door proves easy to block by silt, stones, vegetation, marine organisms. Main usage: using in waterproofing system, discharge system, pump outlet, lifting pump station and underwater aeration system.
Description
Rubber Duckbill check valves
The operation instructions of Check valve with Laryngeal hoops
1、The material of the Check valve is rubber. When loading and unloading, transportation and installation, it is necessary to use the cloth lifting belt. The surface of the Check valve is forbidden to be scratched by edge tool.
2、When installing the Check valve, attention should be paid that the nozzle line of the Check valve is perpendicular to the ground .
3、The installation position of the Check valve with Laryngeal hoops is designed to sleeve and insert the connecting pipe directly. The sleeve and the inner wall of the sleeve can be sealed with water glue and the laryngeal hoops should be metal. Gasket should be added between the holes of the laryngeal hoops to fastening the screw. To prevent the Check valve from falling off for a long time using, it is allow to drilled through the body of Check valve and the wall of pipe using the electric drill according to the holes on the laryngeal hoops and using the screw to tighten the Check valve and laryngeal hoops by penetrating them.
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