Wriston Polymers Pvt. Ltd manufactures Nitrile rubber gasket with Flex Properties. Wriston Polymers Pvt. Ltd is the manufacturer, exporter and supplier of molded rubber products. Wriston Polymers Pvt. Ltd has earned ISO/TS 16949:2002 certification. This Nitrile rubber gasket is designed and developed for use in a pump which is in contact with petrol, diesel, motor oil/ fuel oil and light petroleum products. The gasket works like a butterfly valve and allows the fluid to suckin but not drain back. The gasket also allows the fluid to pump out. It also has flex properties [more than 500000 flex cycles].