MRK Industries offers Threaded Sanitary Check Valve. MRK Industries supplies a wide range of products like pumps, dairy equipments, stainless steel fittings, valves, tanks, reducers and filters. The Threaded Sanitary Check Valve is an automatic valve Non return Valve that prevents a return or reverse flow of water and is used to prevent back flow and maintain pressure. The Threaded Sanitary Check Valve finds application in food, dairy, beverage, cosmetic and chemical industries.