Pump
chambers, rear housings, covers and impellers are all
precision castings to ensure that pump walls are smooth.
This avoids crevices which can lead to product contamination.
Precision castings also reduce flow resistance to a
minimum. This improves their hydraulic efficiencies
to a level unmatched in pumps of this size.
Generous clearances and the overhung shaft design of
the single-stage pumps enable them to handle corrosive
liquids that contain low percentages of solids.
And their mechanical rotary seals make these pumps suitable
for extensive applications with acids, alkalis, and
solvents.
MOTORS
The standard motors for Eastern Centrichem pumps can
be either single or three phase, 115/230 or 230/460
volt, 60 Hertz, TEFC motors. But we can furnish motors
with other electrical characteristics, or enclosures,
as needed.
For general purpose applications or with excessive amounts
of dust, dirt, or similar foreign materials that might
harm the motor, we’ll provide totally enclosed
motors.
For hazardous applications involving flammable liquids
or vapors we recommend explosion proof motors (approved
by Underwriters Laboratories for Class 1 or 2 hazardous
locations) equipped with explosion proof junction boxes.
Continuous duty motors come standard on our industrial
model pumps.
Air motors are also available.
MATERIALS
All models are available in 316 stainless steel and
some in Alloy C. These materials are suitable for a
wide variety of acid and alkali solutions. Please consult
our Chemical Resistance Chart for proper selection of
metallurgy and shaft seal combinations.
OPERATING LIMITS
Eastern's model D&J pumps are rated at temperatures
up to 250oF, models C&H can go to 450oF, and viscosities
up to 100 centipoises. |