PR+ reversing pump

PR+ Reversing DC Hydraulic Power Unit with Relief Valves

The PR+ range of pumps is also available with relief valves which provide independent control of the maximum pressure available at each service port. Relief valves can be fitted to either 1 or both services.

They are used in many applications worldwide including sports car suspension lifters, door and hatch openers and snow blowers.

They are available with the same 0.6, 1.0, 1.5, 2.0 and 2.5 litre per minute flows as the standard PR+ range. Pilot check valves are also fitted as standard and, they can be used with both balanced and unbalanced cylinders. They have an advanced protective coating designed especially for the salt laden atmosphere of the marine environment. 

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Voltage 12 / 24 VDC 
                                                       Typical amp-hour                   Max current 
                                                       5 bar at 25% duty                   Intermittent 55 bar 

                    Nominal L/min              12v        24v                        12v          24v                                               

PR+06                0.6                             0.9         -                             9.0           - 

PR+08                0.8                             1.3         -                            14.0           -

PR+10                1.0                             2.2        1.0                         19.0        9.0

PR+15                1.5                             2.4        1.2                         24.0      11.0 

PR+20                2.0                             2.5        1.3                         25.0      12.0 

PR+25                2.5                             2.7        1.4                         34.0       15.5 

Relief valve setting range:                        15 - 60 Bar

Ingress Protection:                                    IP67 
EMC Protection:                                         BS EN 60945:2002 (DC) 
Ignition protection:                                   BS EN 28846:1993
                                                                     EN ISO 10592:1995 (Small Craft - Hydraulic Steering Systems)

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 = ram port 
                                                                     B = ram port 
                                                                     R = reservoir port                 
Rotation:                                                     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

Autopilot Reversing Drive Selection

A basic guide to aid selection of a PR+ reversing pump for your vessel. Always refer to the autopilot manufacturers documentation to ensure that the chosen pump is compatible.

Click here

PR+ MANUAL (R4508-m21_-_PR__MANUAL.pdf, 964 Kb) [Download]

HB0003_07_Marine_Catalogue (HB0003_07_Marine_Catalogue_Nov_2017.pdf, 7,111 Kb) [Download]

PR+ Brochure (HB-0007-01_en_PR__Brochure.pdf, 2,560 Kb) [Download]

Declaration_of_conformity_2019 (Declaration_of_conformity_2019.pdf, 440 Kb) [Download]

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