Pump units with buffer tank.
• Buffer tank: in carbon steel with a capacity of 300, 500, 750, 1,000, 1,500, or 2,500 litres.
• Hydraulic components: single or double centrifugal type electric pump, inlet and delivery ball shut-off valve of each electric pump, automatic replenishment cock, manual replenishment cock, safety valve, automatic air vent valve, tank water drain cock, membrane expansion tank, non-return valve (with double pump only), pressure gauge.
• The water circuit is insulated with closed cell expanded polyurethane of adequate thickness.
• Structure: galvanised and painted steel plate supporting structure.
• Control: electromechanical
• AS - Standard version with two connections.