sp 77 1 16a00001 The shaft seal is according

The shaft seal is according to EN 12756

DDA 17-7 AR-PP/V/C-F-31U2U2FG The SMART Digital DDA is a compact positive displacement

The motor versions EEx e and EEx de defined by Grundfos are certified by the manufacturers according to ATEX guidelines for electrical operating supplies

pump flow calculation

the pump can operate continuously without being stopped for cooling

sp 77 1 16a00001 The shaft seal is accordingSubmersible 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.