ATEX multistage centrifugal electric 4" submersible borehole pumps with floating impellers and technopolymer internals. This range of pumps have a floating impeller system that ensures high resistance to sand abrasion. Suitable for pumping non-aggressive clean water, maximum permissible quantity of suspended sand 250 g/m.
External pump case, delivery port, suction port, shaft and others components in stainless steel.
Impellers in acetal resin.
Polycarbonate diffusers with ceramic inserts at wear points
Check valve made of stainless steel and is located in the delivery head
Working voltage: single-phase 230 V, three-phase 400 V. Other voltages available on request.