P31/51/76 Series Bearing Type Gear Pumps and Motors
Specifications of Hydraulic Pumps and Motors
Commercial’s model 31,51 and 76 pumps and motors are external spur gear,fixed displacement units designed for continuous operation at pressure up to 207 bar. These series pumps and motorsa re available as single or multiple assemblies.
Technical Data :
P31 Series
Gear Code | Gear Size (Inch) | Flow rate ( Cm³ ) | Flow rate ( lt / 1500 rpm ) | Pressure ( Bar ) | 05 | 1/2" | 16,1 | 24,15 | 150 | 07 | 3/4" | 24,2 | 36,30 | 175 | 10 | 1" | 32,3 | 48,45 | 210 | 12 | 1 1/4" | 40,4 | 60,60 | 210 | 15 | 1 1/2" | 48,5 | 72,75 | 210 | 17 | 1 3/4" | 56,5 | 84,75 | 175 | 20 | 2" | 64,6 | 96,90 | 175 |
P51 Series
Gear Code | Gear Size (Inch) | Flow rate ( Cm³ ) | Flow rate ( lt / 1500 rpm ) | Pressure ( Bar ) | 05 | 1/2" | 20,90 | 31,35 | 150 | 07 | 3/4" | 31,40 | 47,10 | 175 | 10 | 1" | 41,80 | 62,70 | 210 | 12 | 1 1/4" | 52,30 | 78,45 | 210 | 15 | 1 1/2" | 62,70 | 94,05 | 210 | 17 | 1 3/4" | 73,20 | 109,80 | 210 | 20 | 2" | 83,60 | 125,40 | 210 | 22 | 2 1/4" | 94,10 | 141,15 | 175 | 25 | 2 1/2" | 104,50 | 156,75 | 160 |
P76 Series
Gear Code | Gear Size (Inch) | Flow rate ( Cm³ ) | Flow rate ( lt / 1500 rpm ) | Pressure ( Bar ) | 07 | 3/4" | 50,40 | 75,60 | 175 | 10 | 1" | 67,20 | 100,80 | 210 | 12 | 1 1/4" | 84,00 | 126,00 | 210 | 15 | 1 1/2" | 100,80 | 151,20 | 210 | 17 | 1 3/4" | 117,60 | 176,40 | 210 | 20 | 2" | 134,40 | 201,60 | 175 | 22 | 2 1/4" | 151,20 | 226,80 | 175 | 25 | 2 1/2" | 168,00 | 252,00 | 175 | 27 | 2 3/4" | 184,8 | 277,20 | 140 | 30 | 3" | 201,6 | 302,40 | 140 |
* (Tests were run with the oil reservoir temperature at 50°C and viscosity 150 SSU at 40°C.)
For working conditions of pumps and motors at high pressure and rotation under 400 rpm - above 2400 rpm, please contact with our technical department.
Besides, Commercial Hydraulics pumps and motors can be used for oil-water, water-glucose compounds and synthetic at high temperature.
For further information, please contact with our technical department.
Calculation of gear pumps --->
Methods of application and assembly at gear pumps --->
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