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LKH Prime The LKH Prime is available in two sizes LKH Prime 20 and LKH Prime 40 covering and exceeds the capacity of the MR-pump range. LKH Prime is a highly efficient self-priming pump, which meets the requirements of hygienic applications. The ability to evacuate air from the suction pipe combined with a low noise level and high pumping efficiency makes the LKH Prime ideal for tank emptying and CIP return applications. With verified effective CIP cleanability, LKH Prime can be used as a product pump as well.

Standard design
Based on the LKH, the LKH Prime is designed to be cleaned in place. The LKH Prime has a stainless steel shroud for protection of the motor, and the complete unit is supported on four adjustable stainless steel legs. Unlike conventional self-priming pumps the LKH Prime has an impeller which can be trimmed for any application.

Shaft seals
The LKH Prime is equipped with either an external single or a double mechanical shaft seal. Both have stationary seal rings made from stainless steel AISI 329 with sealing surface in silicon carbide and rotating seal rings in carbon as standard.

TECHNICAL DATA
Standard materials
 -Product wetted steel parts: 1.4404 (316L)
 -Other steel parts: Stainless steel
 -Inside surface finish: Standard blasted
 -Product wetted elastomers: EPDM

Min/Max speed
 -Air evacuation: 2800-3600 rpm
 -Pumping product (no air): 900-3600 rpm

OPERATING DATA
Pressure
 -Max inlet pressure: 500 kPa (5 bar)

Temperature
 -Temperature range: -10°C to +140°C (EPDM)

Double mechanical shaft seal
 -Water pressure inlet: Max. 500 kPa (5 bar)
 -Water consumption: 0.25 - 0.5 l/min