Walchem LK Pump Series
Motor-Driven Metering Pumps

The LK Series metering pump is the latest addition to the high performance
line of pumps from Walchem Corporation. The LK is a motor-driven, mechanically
actuated diaphragm metering pump with a maximum capacity of 114 GPH (433
l/h) and a maximum pressure of 225 PSI (1.5 MPa).
The heart of the LK is the dual-cam system drive with a built-in worm
gear type speed reducer. This type of design is compact and very reliable.
The tapered roller bearing and oil bath lubrication ensure outstanding
durability and wear resistance in continuous operation.
The LK Series is ideal for chemical feed applications in a wide range
of fields, including water treatment, chemical process, agriculture,
mining and paper.
Drive
The LK utilizes a dual-cam system drive with a built-in worm gear type
speed reducer. The aluminum bronze worm gear and the tapered roller bearing
provide efficient transmission of motor power to the pump. This compact
and rigid mechanism provides maximum wear resistance in continuous operation
over long periods of time.
Motor
All of the standard models employ totally enclosed fan-cooled motors
which are vertically mounted to save space. A variety of motor options
are available, including explosion-proof and DC variable speed motors
for external control by a 4-20 mA input signal.
Liquid Ends
Drive from the gear reduction unit is directly transferred to the diaphragm.
This design is economical, yet retains a high degree of versatility.
Liquid ends are available in PVC, PVDF and 316 SS for handling acids,
bases, solvents, polymers and slurries.
Stroke Adjustment
Accurate and reliable stoke setting is accomplished with a micrometer
dial of the springback stroke adjustment mechanism. This lockable mechanism
is adjustable from 10 to 100%.
Capacity / Pressure Rating

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us for information about additional systems and services, or if you are
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water treatment application - all you have to do is ask!
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