Multi-Chamber Diaphragm Pump, AD4/90 and AD550 AQUATEC
For transfer, demand delivery, filtration, high flow booster, beverage dispensing and continuous reverse osmosis applications
Specific gravity: 30 maximum
Self priming (up to 2m head)
Quiet and energy efficient
Ingress protection to IP44
AD4/90 continues to run in closed valve conditions liquid being re-circulated via an internal bypass valve, AD500 ceases to run in closed valve conditions as it is fitted with a pressure switch