Pressure valves provide a constant counterpressure and prevent siphoning Opening pressure is fix at 3 bar

The motor efficiency is classified as IE5 in

pump alternation

DDC 9-7 A-PP/V/C-F-31I002FG The SMART Digital DDC is a compact positive displacement

DDA 120-7 FCM-PVC/T/C-F-31U3U3 The SMART Digital DDA is a compact positive displacement

sp 32 1 93101072 Pressure valves provide a constantSubmersible borehole pump, suitable for pumping clean water. Can be installed vertically or horizontally. All steel components are made in stainless steel, EN 1. 4301 (AISI 304), that ensures high corrosive resistance. This pump carries drinking water approval. The pump is fitted with a 1. 1 kW MS402 motor with sand shield, lip seal, water lubricated journal bearings and a volume compensating diaphragm. The motor is a canned type submersible motor