SR Type A
Spring Return Plunger


Plunger metering pumps are suitable in cases that:- The dosed liquid is a non abrasive solution
– A drip proof system is not essential
– High pressure is required

Each pump is fitted with a standard gearbox reduction system and with a vertical mounted B14 shaped electric motor in accordance with UNEL-MEC specifications.

The motor power range is from 0.18 Kw up to 0.75 KW with standard single and three-phase voltages available.

The reduction gearbox is a standard endless screw plus worm-wheel type, supported by bearings, fully lubricated in an

The mechanism for variation of the stroke length is a positive fore-stroke, spring return type, that is operated by an eccentric.

ModelMax Flow (LPH)Max Pressure (bar)
A 125 N156250
A 175 N408250
A 250 N1042250
A 350 N14584

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A 125


A 175


A 250