Bosch Rexroth | PGH4-3X040RR11VU2
PGH4-3X/040RR11VU2
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The PGH4-3X/040RR11VU2 gear pump belongs to the PGH High Pressure Gear Pumps series and is manufactured by Bosch Rexroth. It supplies hydraulic power in automated systems where steady flow at elevated pressure is required. With a displacement of 40.10 cm³ per revolution, the pump defines the fluid volume moved each turn and therefore sets its theoretical output. An allowable speed up to 3000 rpm lets designers pair it with fast electric motors, while a minimum speed of 200 rpm keeps internal lubrication intact during slow cycles. A maximum flow of 120 l/min supports medium-size actuators without oversizing plumbing. The shaft is keyed for clockwise rotation, a detail that avoids reverse port pressurization when coupled to a drive. The body carries an ISO 3019-1 101-2 two-bolt flange so it can bolt directly to common power units.
The pump sustains a continuous operating pressure of 315 bar, allowing it to run under high load for extended duty, and it accepts intermittent peaks up to 350 bar during rapid cycle changes. A permitted inlet pressure window between 0.8 and 2 bar protects against cavitation on the suction side and seal overload on the high side. The pressure port is sized at 1 in under ISO 6162-2 to match standard high-pressure hoses, whereas the suction port uses a 1 1/2 in ISO 6162-1 interface to minimize inlet losses. FKM seals contain mineral oils at the specified temperatures and extend service life in abrasive environments. A through-drive is included so an additional pump can be mounted in tandem without extra adapters, and the assembled housing weighs 16.36 kg, which influences mounting support and vibration damping.
Technical Specifications
Continuous Operating Pressure
315 bar
Direction Of Rotation
Clockwise
Displacement
40.10 cm³/rev
Intermittent Operating Pressure
350 bar
Max Flow
120 l/min
Max Inlet Pressure
2 bar
Max Speed
3000 rpm
Min Inlet Pressure
0.8 bar
Min Speed
200 rpm
Mounting Flange
ISO 3019-1 101-2 (2-Bolt)
Pressure Port Size
1 in (ISO 6162-2)
Seal Material
FKM
Suction Port Size
1 1/2 in (ISO 6162-1)
Through-drive
With
Weight
16.36 kg
1620 Old Apex Road
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