Envco – Environmental Equipment

Pump from as deep as 200' (60m)

This electric submersible pump is ideal for providing representative samples due to the low RPM motor and user controlled flow rate. Our positive displacement gear pumps are machined from stainless steel and Teflon* in the interest of purity.

Water enters the pump through a 50 mesh screen into a stainless steel cavity. Two Teflon* rotors sit in the stainless steel cavity and push the water up the hose in a steady stream. The low RPM motor protects sample integrity. Efficient low maintenance pump is ideal for both remote field work and long term monitoring projects. No need for a"cool-down" period to prevent the motor from overheating as long as the pump is immersed in water.

Designed for 2" and larger monitoring wells.

Teflon is used in the interest of purity, however this is the wear item on the pump head and the only thing to require routine maintenance.Rotors are field replaceable, approximately 100 hours of pumping time can be expected from a set of rotors in clear water, however suspended solids will affect the life of these rotors. We recommend the operator always keep a spare set of new rotors on hand. The pump's electric motor runs on 36V DC power. The pump head specifications are as follows:

SP-400 Pump Head
Diameter: 1.75"
Length: 9.16"
Weight: 2.5 lbs.
Materials: 304 Stainless Steel Teflon rotors Viton housing seal Carbon motor seal

Performance: 1.4 GPM @150'CONTROL PANEL
Forward/Off/Reverse Switch
Amp Meter - Displays the amperage drawn by the pump
Breaker Switch - Installed to protect the pump motor
DC Plug - optional 36V DC battery pack
Power In - AC or DC
Flow Rate Knob - Controls the pumping speed