Advanced Metering Pump Technology Walchem and Iwaki combined our talents to design the most
innovative and comprehensive metering pump product line in the world. With over 50 years of combined pump experience, in an array of
different markets, the Iwaki-Walchem partnership leverages our strengths to exceed even our toughest customer expectations. Committed to new
product development, our products are innovative and revolutionary. A perfect example is the EK pump - the first waterproof IP67 metering
pump in the world.
E-Class Featuring four great pump series, EZ, EW, EK and EHE, E-Class pumps are powered by
advanced microprocessor-based electronics and superior mechanical design. With capacities up to 20 GPH and a maximum pressure rating of 215
PSI the E-Class has a pump that will fit any water treatment, municipal and industrial wastewater, agriculture, water conditioning, car wash
or any other chemical feed application. And the entire E-Class pump line is backed with a
comprehensive 2-year warranty that covers the entire pump, including the liquid end and diaphragm.
High Speed Performance E-Class pumps operate at 360 strokes-per-minute. Most competitive
products operate at 180 SPM or less resulting in slug feeding, accelerated diaphragm wear and poor feed control.
Dual Bearing Support All E-Class pumps features dual bearing support. The armature and shaft
are supported with a bearing on each end, which ensures proper axial movement, enabling the E-Class to operate at 360 SPM while extending the life
of the diaphragm.
Superior Check Valve Performance Dual Check Valve Assemblies in both suction and discharge
fittings feature precision ball guides and tapered seats. Precise machining and molding of parts limit valve ball travel, ensuring that balls
fully seat and seal with every stroke. This superior check valve design and performance guarantees fast priming.
High Compression Ratio The compression ratio of a metering pump is important because it affects
the pumps ability to prime and vent. The compression ratio is raised when you reduce the dead volume of the pump head during operation. All
E-Class pumps feature a very high compression ratio that ensures proper feed especially with off-gassing products. (i.e. Sodium Hypochlorite)
Economy without sacrificing quality or performance
EZ Series pumps offer precise chemical injection at a low cost. Manual
or on/off control for simple addition applications. This is a great water treatment metering pump for dosing cooling towers, well systems, when
high performance is needed at the lowest cost. We at Cannon Water use these pumps on most of our projects and find them to be superior to in
workmanship.
Best feature: Self primes and does not loose prime due
to Walchems excellent suction foot valve assembly. .
Manual or on/off control
Speed up to 360 strokes per minute
Digital interface
Capacities to 3.2 gph (200 ml/min)
Option for built in feed timer
ON SALE $275.00 each
Innovative Timer Control The EZ-Timer module integrates Walchem's EZB pump technology with a versatile programmable timer. Timed
feed control can be programmed in daily or weekly cycles. The weekly schedules can be programmed in either 1 or 2-week cycles with a daily on-time.
The daily timer can be set for multiple daily on-times. The EZ-Timer pump is a simple and effective way to automate additions in small systems.
Use this to feed Biocides without the need for a
seperate controller. Perfect add on to your cooling tower.