The Blackmer GX and X series of pumps are constructed of cast iron and operate via the sliding vane pumping principle that allows the pump to self-adjust for wear in order to maintain desired flow rates, while simultaneously offering good self-priming and dry-run capabilities. They also feature specialised mechanical seal and ball-bearing construction for maximum reliability and a symmetrical bearing-support system that assures even loading and longer wear life. Additionally, the pump’s external ball-bearing construction isolates them from the pumpage in order to minimize any contamination risks. An adjustable relief protects against excessive pumping pressures, while the pump’s vanes can be easily replaced without needing to remove the pump from the piping system.
The GX Series pump also offers an integral head-mounted gear-reduction drive with oil-lubricated and hardened helical gears. The pump’s gear shafts are supported at both ends by ball bearings for smooth operation and long life while a splined reducer and pump shaft with dowel-mounted reducer case enables simplified pump and reducer alignment. The reducer can be rotated on the pump head to accommodate a wide variety of motor sizes without the need for shimming.
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