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Product Introduction

Roots oil-free vertical reciprocating vacuum unit, the main pump is roots pump, WLW series oil free vertical reciprocating pump is fore pump.Widely used in electronics, vacuum coating, chemical fiber, metallurgy, heat treatment, welding, chemical industry and vacuum distillation, crystallization, dry, polyester slice viscous processes.

Main Parameter

Model Pumping rate L/s(m3/h) Ultimate pressure

pa power

KW Main pump Line pump Backing pump

JZJW70-1 70（252） 133 6.2 ZJ70 - WLW50

JZJW150-1 150（540） 133 10.5 ZJ150 - WLW100

JZJW150-2 150（540） 133 7 ZJ150 - WLW50

JZJW300-1 300（1080） 133 19.5 ZJ300 - WLW200

JZJW300-2 300（1080） 133 11.5 ZJ300 - WLW100