Diaphragm valve

RAF-WW

hydraulic

control

for water

RAF Valves are used for general water supply and irrigation. The RAF valves are made of only three parts, each one is made of durable materials. The inner flow passages are streamlined and coated with low friction materials. This provides quiet flow in both directions, low head-loss, and minimal wear. Technical Spécifications -Body and Cover: Cast Iron with Rilsan (Nylon 111 coating. -Epoxy or enamel coating are available by request. -Bolts, Nuts and Washers: Zinc plated Steel. -Diaphragm: Natural Rubber reinforced with Nylon Fabric. Cross section of RAF valve RAF valves operate with a patented reinforced diaphragm, which eliminates the need for a retaining métal spring. The spécial elastic design enables graduai and précisé opening or closing of the valve. By eliminating a métal spring, the RAF is virtually maintenance free.