G.K plastics manufactures supplies and exports a wide range of plastic valves. The company offers a range of gate valves. They ensure consistent flow of liquids and gases without any obstruction. These are precision engineered and made up of high quality polypropylene. As part of that, the company provides non return valve. It is used as fitting in outlet line to prevent back flow of water. The washers are made up of neoprene rubbers. These are well tested under a pressure of 10 kg/cm2. These are offered in non return valves, available in different sizes and weights.