The kemron polymers are one of the foremost manufacturer and supplier of Nut Bolt Foot Valve Washer. It is having the poly propylene body structure which is highly rust free. These are capable to control the back flow at lowest pressure because of the enclosed rubber washer which is made up from high quality natural rubber. It is mostly utilize in agricultural, irrigation sectors as well as widely use in industrial and domestic sectors also. Available size range is 50mm to 80 mm in blue colour.