Performance and durability provide ongoing legacy
A
Lafert Electric Motors product story
Edited by the Engineeringtalk editorial team
Apr 27, 2005
Many engineering products, like people, sometimes get their moment of fame but only for a select few maintain an ongoing legacy.
Many engineering products, like people, sometimes get their moment of fame but only for a select few maintain an ongoing legacy.
Such is the case for JLC Turbine Pumps of Bedfordshire.
JLC Pumps manufactures regenerative turbine pumps with a niche market for those applications with limited available space but demand high working pressures (12bar from a single impeller) and where reliability and durability are the principal criteria.
To illustrate their primary feature, a centrifugal pump would require eight or ten stages to achieve a similar pressure.
JLC's pumps were first manufactured in the 1960s.
Since that time they have been installed around the world on land and at sea (both on merchant and warships of the world's navies), in fact wherever longevity of service was demanded.
Applications for these JLC pumps are extremely diverse, ranging from boiler feed and equipment cooling, radar transmitter cooling, fire sprinkler systems, chemical and process industries, glasshouse humidification.
Central to the success of the pump is this ability to produce high pressure working heads from a single stage.
This is, essentially, the product of the regenerative effect of its fully balanced, self-aligning, double-sided, multivane impeller.
With this multivane design, liquid is instantly thrown outwards by centrifugal force as it enters the pump.
As the liquid enters the side channels of the pump casings, a strong drawing force is produced at the pump's suction, with a forward momentum following the pump's rotation.
This action is repeated as the liquid travels through the pump developing more and more pressure with the spiral regenerative action to the liquid, finally producing its fully generated pressure at the discharge port.
Today, JLC provides a valuable service to its many customers around the world from new and replacement units, spares and refurbishments.
Helping the company achieve this is the supply of standard motors with shafts manufactured to exacting tolerances (+/-0.02mm instead of the IEC72.1 J6 standard of +0.08 and -0.03mm) from AEG Electric Motors.
According to John Catton, Managing Director of JLC Pumps, he selected AEG motors because they offered the reliability and performance compatible with his pumps.
Other characteristics of the AEG motors highlighted by Catton were their wide voltage bandwidth possible, essential for customers' many diverse electricity supplies around the world; robust cast feet as opposed to mild steel formed ones, and AEG's "Multi-Mount" feature that permits the terminal box to be mounted on the top or either side of the motor and rotated through 90 degrees.
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