ove numerosi ingressi e uscite sono necessari:

The R-version is designed to be highly efficient against corrosive liquids

Le valvole a pedale sono installate all'estremità inferiore del tubo di aspirazione e includono il peso

material number 2

sp 60 1 14a21901 ove numerosi ingressi e usciteSubmersible 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 2. 2 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