Principles of the PT-Series Pumps
The PT-Series pumps are a special type of rotary positive
displacement pump, known as a sliding vane pump.
The sliding vane pump has many of the positive displacement
advantages of the gear pump, plus the ability to compensate
for wear, and operate at a lower noise level.
The sliding vane pump consists of a rotor turning inside a
cam that is machined eccentrically in relation to the rotor.
As the rotor turns, the liquid that is trapped between the
rotor, cam and vanes is displaced. The PT-Series pumps
are made with vanes produced from advanced polymers
which exhibit extremely low coefficients of friction. The
self adjusting vanes compensate for wear and help extend
the life of the pump.
Exclusive Features of the
PT-Series Pumps
The pumping of volatile liquids is one of the most difficult
of all pumping jobs, and pumping from a delivery truck
makes it even more difficult, so more attention must be
given to the design and manufacturing of the pump and
to its installation and operation.
In addition to being especially suited for handling volatile
liquids, the PT-Series pumps have a number of other features
to help make them more easily operated and maintained.
Heavy duty ball
bearings provide
greater durability
and strength.
Available with
standard bypass
valve or optional
air operated
valve (AOV) for
high and low
flow control.
Conveniently located
drain plug allows you to
empty the pump quickly
when necessary.
Self adjusting
vanes compensate
for wear.
O-ring design delivers
maximum sealing
capability and is
available with optional
seal materials.
Corrosion resistant
bypass valve.
Reliable mechanical
seal design with
optional seal materials.
Hollow rotor helps
reduce weight.
Optional flanges and
strainer available.
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