Bosch Rexroth | PGF1-2X4-1RA01VP1
PGF1-2X/4 1RA01VP1
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The PGF1-2X/4 1RA01VP1 internal gear pump belongs to the PGF Internal Gear Pumps series from Bosch Rexroth and supplies hydraulic automation loops with steady flow. Its displacement is 4.1 cm³ per revolution, so every shaft turn moves a precise oil volume for predictable actuator speed. At 1450 rpm and 10 bar it delivers 6.0 L/min, giving designers a reference point for common industrial motor speeds. Clockwise rotation is required, ensuring correct coupling to prime movers that share the same direction. A minimum speed of 600 rpm keeps internal clearances flooded, while a maximum speed of 3600 rpm prevents cavitation and excess heat. The pump is filled with HL or HLP mineral oil conforming to DIN 51524, which supports stable viscosity under load. Positioning is aided by a 45.24 mm centering diameter, and a 2-hole P1 mounting flange secures the housing against machine frames without additional brackets.
An absolute inlet pressure between 0.8 bar and 2 bar avoids air entry on the low side and bearing overload on the high side. Continuous outlet service is rated at 210 bar, and short intermittent spikes can reach 250 bar, allowing brief peak loads in clamping or pressing stages. Both pressure and suction ports use G 3/8 BSPP threads, so identical fittings streamline hose selection and spare parts. The pressure port thread carries system flow to valves, while the matched suction thread feeds the gear teeth with low-restriction oil. A mass of 1.1 kg keeps the unit light enough for manifold mounting close to actuators, reducing line losses and installation effort.
Technical Specifications
Centering Diameter
45.24 mm
Direction Of Rotation
Clockwise
Displacement
4.1 cm3/rev
Flow At 1450 Rpm (10 Bar)
6.0 L/min
Hydraulic Fluid
HL/HLP Mineral Oil (DIN 51524)
Max Inlet Pressure (absolute)
2 bar
Max Output Pressure (continuous)
210 bar
Max Output Pressure (intermittent)
250 bar
Max Speed
3600 rpm
Min Inlet Pressure (absolute)
0.8 bar
Min Speed
600 rpm
Mounting Flange
2-Hole (P1)
Pressure Port Thread
G 3/8 (BSPP)
Suction Port Thread
G 3/8 (BSPP)
Weight
1.1 kg
1620 Old Apex Road
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