Hy-Pro Drive PC CONSTANT RUNNING ELECTRO-HYDRAULIC POWER UNIT
Manufactured specifically for marine autopilot steering applications the versatile PC constant running power units use a heavy-duty fan cooled motor coupled to optional pump sizes to deliver up to 4.5 L/min. Designed to be used for heavy duty applications on diesel powered vessels or commercial craft these units come fitted with pressure compensated flow controls, relief valve and cylinder check valves as standard.
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Description
Once the hard-over time has been set via the speed control, the steering action is achieved by switching a damped heavy duty double acting solenoid valve. The motor and precision gear pump are protected by a pre-set relief valve, and check valves with toughened components positively lock the steering on course. A stainless steel clamp retains the stove enameled steel oil reservoir, and inside is a large capacity replaceable 15 micron return line filter to maintain system cleanliness. A heavy duty motor starting relay is also supplied, as are the rubber noise absorbing mounts.
Application
Designed and developed specifically for marine autopilot applications in the commercial boat market the PC can be used with single or twin ram systems. The design of the unit also makes it compatible with unbalanced rams and pressurized reservoir type systems.
Features
Heavy duty fan cooled motor
12V/24V DC options.
Low power consumption.
Flow output options
Integral speed control
Integral relief valve
Quiet operation.
Compact construction.
Replaceable brushes.
Service kits.
Easy installation.
Cylinder and hose kits supplied to suit.
Industrial Spec. Motor Relay included.
EMC protection
Technical data
Voltage 12V/24V DC
Pump output Refer order codes.
Ambient operating
temperature -15 to +55 deg C
Motor voltage nominal 12V DC 24V DC
Motor output watts 405W 440W
Max continuous current 24A 12.5A
Ingress protection IP44
(Suitable only for ‘under-deck’, dry environment mounting.)
EMC protection BS EN 60945:2002 (DC)
Line mounted
Relief valve setting 58 bar
Orientation Solenoid A Pump to A port
Solenoid B Pump to B port
Coils 12V/24V DC 31W
Coil connection DIN 43650 (6-8mm cable)
Relay Coil 12V/24V 12W
Relay Rating 80A
Fluid ISO VG10 to VG40 hydraulic
mineral fluid to ISO 6743-4 HV
Reservoir capacity 4 litres
Reservoir max pressure 3.5 bar max
Weight 12 kg
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