Lowara booster pump sets for fluid delivery have been enhanced with new PLM high efficiency electric motors.

The move will improve both the cost-effectiveness, environmental credentials and operating performance of the Lowara pump range for residential and commercial applications.

Lowara is a leading manufacturer of water pumps and part of ITT Corporation, the world s largest producer of pumps and complementary products for water and industrial fluid applications.
The PLM range of motors was initially launched early in 2008 to power Lowara’s multistage pumps. The electric PLM motors are available across the Lowara pressure booster units, maintaining highly efficient fluid delivery especially where normal system pressure is low.
This gives the booster sets efficiency values that fall within the range normally referred to as efficiency 1 and ensures they comply with the targets set by a voluntary standard. This impressive step forward makes the Lowara pump ranges including booster sets among the leading performers in every class.
The PLM motor quality and reliability is actually higher than in previous equivalent motors, with less heating within the motor to maximise operational life and reduced noise thanks to a smaller cooling fan.
Lowara booster sets are found in a wide range of uses, especially fire fighting and water circulation in residential and commercial applications.

In combination with the Hydrovar variable speed controller, the efficiency of Lowara’s booster pumps can be even more dramatically improved. Hydrovar can control up to 8 pumps with intelligent drive, all from a single pump-mounted unit, to manage motor speed and match pump performance to a range of fluid applications. This will provide reduced power consumption for cost savings and environmental benefits.

Notes on the PLM motors

• Short-circuit squirrel-cage motor (TEFC), enclosed construction with external ventilation


• IP55 protection


• Class F insulation


• Standard voltage


• Cable gland with standard passage dimensions according to EN 50262 (metric thread)


• IEC sizes from MEC 90 to MEC 160


• Single and three phase


• 50 & 60 Hz versions (single phase), dual frequency construction (three-phase)


• 2 and 4 poles construction


• Powers up to 22 kW for 2 poles versions


• Powers up to 15 kW for 4 poles versions

Picture: Lowara