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Products
Variable Displacement, Pressure Compensated Axial Piston Pumps
- Hardened swashplate for extended trunnion life
- Balanced piston shoes for high efficiency
- Replaceable port plate and wear plate simplify maintenance
- Efficiently designed porting for reduced noise
- Four pump controls offer design flexibility
- Tandem pump options for multiple pump applications
- Maximum volume control is standard for application versatility
- High speed operation for mobile applications
- Heavy duty cylinder block and body castings provide long life and reduced
noise
Product Description
The variable volume and pressure compensated design simplifies circuit
design, and reduces heat buildup and noise. Four pump control options permit
the designer to choose the most efficient means to power his hydraulic
equipment. Choices include the standard pressure compensator control, remote
pressure control, load sensing control, and horsepower limiting control.
Brass piston slippers pivot and rotate to equalize wear while a fluid passage
through the slipper reduces loading and provides lubrication for the piston shoe
and wear plate. Hardened swash plate and trunnion pins provide rugged support
for the piston block and associated rotating group components.
Efficiently designed porting reduces noise at all pressure and flow levels
for quiet, efficient operation that eliminates the need for noise shrouds. The
rugged, cast iron body is thicker at stress points which contributes to quiet
operation.
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Specifications
- Mountings: SAE 2 bolt mountings. SAE ‘A’, SAE’ B’, and SAE ‘C’
Tandem pump drive capabilities
- Capacities: 6, 10, 15, 20 29 GPM @ 1750 RPM
- Displacements: .88, 1.26, 2.09, 2.62, and 3.78 cubic inches per revolution
- Pressure Compensation Ranges: 200 to 3500 PSI continuous duty, up to 4000
PSI intermittent duty
- Recommended Fluids:
- Petroleum based fluids are recommended. Fluids should be designated by the
fluid manufacturer for use in hydraulic systems. Fluids should contain
inhibitors to prevent rust and oxidation and should contain anti-wear,
anti-foam, and deaerating agents. For other fluid types, please contact your
Continental Hydraulics representative.
- Recommended Operating Viscosity
- Petroleum based fluids:
- Optimum – 140 sus (30 Cst.)
- Continuous Minimum – 60 sus (10 Cst.)
- Continuous Maximum – 750 sus (160 Cst.)
- Max cold start up 7500 SUS
- Fluid Cleanliness – ISO 18-16-13 is recommended
- Operating Temperature – Operating temperature is determined by the viscosity
characteristics of the fluid used. Control operating temperature as needed to
assure that fluid viscosity is within acceptable limits. Because high
temperatures degrade seals, reduce the service life of the fluid, and create
scalding hazards, fluid temperatures should not exceed 180° F. (82° C.) at the
case drain.
- Mounting Position – Unrestricted. However, horizontal mounting is
preferred.
- Relief valves are recommended for all applications to help protect personnel
and the system from potentially damaging overloads
Options and Accessories
- Pressure Compensated - Delivers only the flow required by the system, while
maintaining the set pressure. This reduces horsepower needs and saves
unnecessary wear on the system.
- Remote Pressure Control – Includes all the features of the standard control,
with the added feature of pressure control from a remote location. This can be
accomplished both manually, or with the utilization of an electronic
proportional pressure control.
- Load Sensing Control – Provides constant flow through a given orifice and
varies pressure with load requirements. Results in maximum efficiency and
minimum heat generation.
- Horsepower Limiting Control – Best choice for high pressure/low flow and
high flow/low pressure systems. You can adjust the pump to meet your exact
system requirements.
Typical Applications
- Mobile equipment
- Marine auxiliary power
- Construction equipment
- Oil field equipment
- Machine tools
- Metal forming and stamping
- Packaging machinery