ATEX Multistage centrifugal electric 4" submersible borehole pumps (ASTRA EX and VENERE EX) all stainless steel construction. Suitable for pumped liquids to +30°C and depths of 120m in water without solid particles and in non-aggressive clean water. Also available in all AISI 316 version and version for permanent immersion in hydrocarbons polluted water. Fully customised and bespoke models available on request.
External pump case, delivery port, suction port, shaft and others components in stainless steel.
Impellers and diffusers in stainless steel 304
Check valve made of stainless steel and is located in the delivery head
Pump can not operate in dry conditions
Pump body must remain completely submerged
Working voltage: single-phase 230 V, three-phase 400 V. Other voltages available on request
Making a definitive diagnosis as to the presence of iron-reducing bacteria within a water well, pipeline etc. can be difficult. Which is why Geoquip is proud to offer a patented Biological Activity Reaction (BART) Test kit specifically designed to detect the presence of iron-related bacteria.