Service manual

OVERVIEW
The BearCat 450 is an external gear, positive
displacement pump designed specifically for
pumping asphalt. It is entirely heat jacketed with
relief valve in both flow directions.
Two di!erent models are available;
450V: Bronze bushing and shaft design. Works
well for standard asphalt and emulsions.
450R: AR Spherical Bearing design, rebuildable
pump. Ruggedized model designed for Asphalt/
Rubber.
Applications include; the primary pump of an Asphalt Distributor, Plant supply through a Micro
Motion® Coriolis (Mass Flow) meter, Blend transfer, or as an unloading pump.
Relief Valve
One of the prominent features of the BearCat pump
is its endplate/relief valve design. The modularity of
the plate provides mounting on both ends of the
pump, and thus pressure relief in both directions.
Because the forward flow is controlled by one end,
and the reverse flow by the other, each can be
adjusted independently. The heat tracing o!ers a
critically important benefit to start-up. Its balance
of heat in relation with that of the main body insure
full function of the relief valve prior to pump
rotation when full of asphalt.
No-Leak Lip Seal
The standard 450 comes with a high temperature, no-leak, low
maintenance seal design. Supported internally by a roller bearing,
the drive shaft runs precise, thus prolonging seal life.
Packed Seal available upon request. Graphite impregnated split ring
packing can be specified if needed.
BearCat Pumps, LLC
[phone]
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