The Grundfos cartridge shaft seal ensures high reliability

they are suitable for pumping liquids containing larger solids

pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework

5 % of the set value in a trouble-free process)

Long lifetime and universal chemical resistant Full-PTFE diaphragm

sp 5a 25 05002b25 The Grundfos cartridge shaft sealSubmersible 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.