Pressomat PMD20 PVM twin booster sets for the pressurization and delivery of water supplies via a break tank. Equipped with three phase pumps. Single phase options are available. Controlled by two pressure switches with adjustable settings and a control panel for alternating duty, assist and optional low level warning connection. Stainless steel suction manifold complete with 2 brass ball valves and two checks valves. Stainless steel discharge manifold complete with 2 brass ball valves, 2 pressure switches and pressure gauge. Base in galvanised steel. All units require Pressure Accumulator Vessels (see pages 200 - 203). Larger twin booster sets are available up to 1300 litres per min.