SUBMERSIBLE PUMPS |
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DESCRIPTIONThis type of submersible pump is designed for the complete pump and drive motor to be totally submerged and are used for pumping liquid out of sumps and tanks.They are normally electrically driven but can also be supplied with air or hydraulic drive motors.
DRIVE SHAFT SEALINGA double mechanical seal is normally incorporated, with an oil filled chamber for lubrication and cooling of the seals.On clean applications, magnetic drive coupling can also be considered. Electric motor driven units usually rely on the pumped liquid for cooling and can not be run 'dry' for any length of time. IMPELLER TYPESOn clean liquid applications, shrouded design impellers can be used.When the liquid contains solids or abrasive particles, open impellers are used. For higher concentrations of solids and effluents containing stringy matter which cause clogging, recessed or single channel impellers can be supplied. FREE STANDING INSTALLATIONThe pump is suspended on a chain and lowered into position, standing on feet provided on the pump casing.A flexible delivery pipe is normally used. |
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