The BSM 500-Series pumps are designed to provide quiet and efficient service at standard motor speeds, moderately high pressures. Typical applications are supplying hydraulic power on machine tools and construction equipment, as well as oil field gathering line service, and deep hole drilling applications.



Design: Drive speeds to 1725 rpm; discharge
pressures to 1000 psi; flow rate to 60.0 gpm; foot or
flange mounted.

Material: Cast Iron casings with precision
machined, heat treated gears and case hardened
shafts. Pumps are also available in Ductile Iron.

Bearings: Anti-friction needle bearings. Also
available with carbon graphite or bronze bearings.

Seal: Mechanical seal. Also available with packed

Lubrication: Self lubricating using the pumped

Rotation: Clockwise or counter-clockwise. A
reversible back drain permits direction of rotation to
be easily changed in the field.

Liquid Viscosities: 100 ssu to 1,000 ssu
recommended. Clean liquids having good lubricating
qualities. Adaptable for handling liquids of higher or lower

Suction Lift: Up to 28″ Hg / 31 feet depending on the
type of liquid being pumped.

Drive Options: E-Drive (pump close coupled to motor);
A-Drive (pump connected to C-Face motor with adapter
bracket and coupling), D-Drive (pump coupled to motor
mounted on baseplate); GR-Drive (pump coupled to gear
reducer coupled to motor mounted on baseplate); B-Drive
(pump and motor connected by V-belt and pulleys
mounted on baseplate).

Accessories: Repair Kits; Gear Sets; Bearing Kit, and
Seal Kits. Refer to Section 13.


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