Hy-Pro Drive PR+ REVERSING ELECTRO-HYDRAULIC POWER UNIT

Backed with over 30 years of continuous development the new PR+ range of reversing pumps presents the ultimate in quiet and smooth operation. Unlike noisy piston pump designs the precision gear form delivers smooth flow in all conditions and with minimal noise. Now with IP67 motors that have a 4000 hour brush life these latest generation of Hy-ProDrive power units are the best available.  

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Product Description

Description

A permanent magnet DC motor driven precision gear pump available with a range of flows from 0.6 to 2.5 L/min. Each pump is fitted with zero-leakage pilot check valves for positive locking of steering cylinders.

The two service ports and reservoir port are positioned at the front of the pump. The threads are G1/4 (BSP) parallel. There is an optional second reservoir port on the top face accessed via a removable plug. If top mounted ports are preferred a kit is available to provide this option.

Relief valves to limit the maximum pressure generated are available as a further option.

The motors are maintenance free with internal brushes giving typically a 4000+ hour life. The front and rear bearings are sealed ball races for smooth and quiet operation. They have an Ingress Protection rating of IP67. They have a nominal output of 100W with a 50W option on the 12V PR+10 pumps.

The pumps are sealed on the driven gear journal allowing the motor to be removed without air entering or oil loss from the hydraulic circuit.

 

Application

Designed specifically for the marine autopilot market they are used by the worlds leading autopilot manufacturers. They can be used with balanced or unbalanced cylinders and are suitable for use in pressurized reservoir systems.

 

Features

Quiet and smooth operation

Low power consumption.

Zero back drive check valves.

6 flow options

100W motors

50W motor on PR+08

12V/24V DC motor options.

Relief Valve option.

Port position options.

Compact.

Easy installation.

G1/4 (BSP) parallel ports

NPTF and M10 adapter kits available

Service kits available.

Cylinders and hose kits supplied to suit.

Fully compliant to the Recreational Craft Directive

Supplied with EU Declaration of Conformity

 

Technical data

Voltage                            12V/24V DC

 

                                       Typical amp-hour      Typical current

Current                           5 bar at 25% duty        Intermittent

                                                                              55 bar max

                                       12V             24V                     12V             24V

PR+05 50W                    1.5A                                       10.1A

PR+06 25W                    0.9A                -                       9.0A                -

PR+08 50W                    1.3A    - 14.0A    -

PR+10 100W 2.2A 1.0A 19.0A 9.0A

PR+15 100W 2.4A 1.2A 24.0A 11.0A

PR+20 100W 2.5A 1.3A 25.0A 12.0A

PR+25 100W 2.7A 1.4A 34.0A 15.5A

 

Ingress protection IP67

EMC protection BS EN 60945:2002 (DC)

Ignition protection BS EN ISO 8846:2017

 

Ambient operating

temperature -15 to +55 deg C

 

Max pressure 55 bar (intermittent operation)

reservoir line 2 bar max

 

Ports G1/4 (BSPP) Parallel

A = cylinder port

B = cylinder port

R = reservoir port 

 

Orientation Red lead to positive - pressure to A port

Black lead to positive - pressure to B port

 

Hoses Suitable for working pressure 55 bar.

Minimum burst pressure 100 bar.

 

Fluid ISO VG10 to VG40 Hydraulic mineral fluid

meeting ISO 6743-4 HV

 

Weight 3.0 kg

 

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