The 1000 series valves consists of booster pump control valve. The valve opens at controlled rate of flow which is adjustable and closes same way at desired flow limits. The valve and pump are electrically interlocked to complete the desired action. Specifications Voltages : 24, 48, 115, 230, 460,-60 cycle AC 6, 12, 24,115,230-DC. Pressure Ratings : Class : 150-300 # Temperature Ranges : -40 to 90 deg. C. Standard Materials & Stainless Steel Size : 150-400 mm Media : Any Liquid Services Material : Body & Cover High Tensile ASTMA 216 Gr. WCB