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574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS
MODEL #
INDUCTION
RANGE%*
574
3% to 10%
575
3% to 10%
* Induction % and induction ratios are based on a water thin product viscosity of 1Centipoise (1Cps).
1. PURPOSE:
The DEMA MixRite proportioning pump allows a chemical product to be pumped at a preset constant
mix ratio over a flow range of 0.09 to 11GPM (0.34 to 41.6 L / M).
It is a reciprocating piston powered pump that mixes a measured amount of chemical with each return
stroke of a large "engine" piston. A smaller chemical piston that is attached by a rod to the "engine"
does the actual pumping of the chemical.
The amount of chemical drawn on each return stroke is regulated by a Proportioning Adjuster which
lengthens or shortens the chemical reservoir that the chemical piston plunges into on each intake stroke.
The Proportioning Adjuster has a percent scale on one side and a ratio scale on the other and is easy to
set by turning it either clockwise or counterclockwise to match up with the desired scale.
Features of the DEMA MixRite:
The DEMA MixRite can be disassembled with bare hands.
It can be serviced while attached to a wall.
All seals are easily replaceable.
2. PARTS / COMPONENTS:
A. DEMA MixRite
B. Pickup tube and strainer assembly
C. ¾" hose barbs, couplings & washers (2 sets)
I-871
Rev. C-34072
1/14/09
DEMA MIXRITE PROPORTIONING PUMP
MODELS 574 & 575
INSTALLATION INSTRUCTION
TECHNICAL DATA TABLE
INDUCTION
RANGE RATIO*
33/1 to 10/1
33/1 to 10/1
FOR ALL MODELS
Flow Rate: 0.09-11GPM (0.34 to 41.6 L/M)
Maximum Suction Height: 10 Ft. (3 Meters)
Weight: 5.8 lb. (2.6 kg)
Ability to turn
off the chemical
TEMPERATURE
flow while water
is running
39 F to 122 F
NO
(4 C to 50 C)
39 F to 122 F
YES
(4 C to 50 C)
OPERATING
2.9 to 60 PSI
(0.2 to 4.08 Bar)
2.9 to 60 PSI
(0.2 to 4.08 Bar)
WATER
PRESSURE
Page 2
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