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Hydraulic Power Units

Hydraulic Power Units

Hydraulic Power Units

Product catalog summary
Overview
Jastram manufactures both custom and pre-engineered Hydraulic Power Units (HPUs) designed to meet various requirements for steering systems in vessels. Custom HPUs are tailored to specific needs, while pre-engineered units offer faster delivery with standard features.

Pre-engineered HPUs
These units interface with a vessel's hydraulic steering gear and electric control system, optimized for use with Jastram cylinders and control systems. Any modifications beyond specified options require custom engineering support.

Standard Features
  • Lockvalve
  • Vented Reservoir
  • Adjustable flow control
  • Pressure gauge
  • Return line filter
  • Low level sensor
  • Push to read Sight/Temp. gauge
  • Filter clogging sensor
  • 50Hz or 60Hz Motor
  • Single speed directional valve
  • Jastram Blue color

Hydraulic Oil Requirements
Use only ISO grade 32 hydraulic oil. Do not use transmission or brake fluid. The operating temperature should not exceed 65˚C (150˚F) and should not be below 40˚C (104˚F). For startup, the oil temperature should not be below 0˚C (32˚F).

Custom HPUs
Jastram offers custom HPUs to meet specific design challenges, including special tank shapes, capacities, motors, manifolds, and paint colors.

Specifications Table
The document includes a detailed table of specifications for various HPU models, listing part numbers, motor horsepower, frequency, reservoir size, maximum flow rate, power consumption, power supply, and maximum working pressure.

Contact Information
For custom HPU requests or further information, contact Jastram Engineering Ltd. at their North Vancouver office or visit their website.
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Catalog excerpts

Hydraulic Power Units-1

Photo courtesy of Eric Stapleton Jastram Hydraulic Power Units Jastram manufactures custom and pre-engineered Hydraulic Power Units (HPU) to meet a wide range of requirements. HPUs produce and direct the uid movement in the steering system. Custom HPUs are available to meet specic design challenges or requirements of the vessel owner, naval architect or shipyard. Preengineered power units are available in limited sizes for faster delivery while maintaining our commitment to quality.

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Hydraulic Power Units-2

Custom HPUs The Jastram pre-engineered HPU interfaces the vessel’s hydraulic steering gear with its electric control system. These power units are optimized to work with Jastram cylinders and control systems. In addition to the Pre-Engineered HPU’s Jastram supplies custom HPU’s upon request to t any size and specication including: • Special tank shape • Tank capacity • Special motors • Custom manifolds • Custom paint colors If there are any changes beyond the specied options to a Pre-engineered HPU it would become a custom HPU as engineering support would be needed. Please contact your local...

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Hydraulic Power Units-3

Pre-engineered HPU Overall Dimension Drawings MOTOR CONNECTION CONDUIT PORT ELECTRIC MOTOR & JUNCTION BOX AUTO-FILL LINE TEMP. GAUGE RESERVOIR DRAIN CLEAN OUT COVER, ALLOW ADEQUATE CLEARANCE Data is subject to change without notice. Jastram Engineering Ltd. 135West Riverside Drive I North Vancouver BC I Canada V7H 1T6 I T 604988 1111 IF 604 986 0334

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.