100 mm Non Return Valve and Rubber Seal for Pipes

Check Valve Material stainless steel iron Size round diameter 100mm Package includes silver check valve The stainless steel and iron material ensures the strength and durability of the return valve as a whole and it also has a certain resistance to weak corrosive media extending the service life A black rubber ring is used to cover the edge of the return valve which not only has a certain protective effect on the return valve but also improves the tightness and reduces noise The white foam strip on the outer ring increases friction and provides assistance for the work of the return valve so you don t have to worry too much about the problem of displacement during use The switch that opens and closes automatically and the design that the airflow can only flow in one direction can effectively reduce impurities Also suitable for use in smoking areas central ventilation of living areas greenhouses clubs offices and workshops This product is only suitable for circular pipes with an inner diameter of 100 mm