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 materials in contact with the liquid are in stainless steel
Pressure valves provide a constant counterpressure and prevent siphoning Opening pressure is fix at 3 bar
The input/output add-on board provides additional input opportunities: one 0/4-20 mA analog input for an additional sensor
cm 1 6 a r a v aqqv c1 a a n 92889370 The motor versions EEx eCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. The shaft, impellers and chambers are made of stainless steel. The inlet and discharge parts are made of cast iron. The mechanical shaft seal is a special designed, unbalanced O ring seal. Pipework connection is via internal Whitworth pipe threads, Rp (ISO 7 1). The pump is fitted with a 1 phase, foot mounted, fan cooled