High Pressure A4FO Series Rexroth Hydraulic Pump A4FO40 A4FO71 A4FO125 A4FO180 A4FO250 A4FO500

Rexroth A4FO Of A4FO40,A4FO71,A4FO125,A4FO180,A4FO250,A4FO500 Hydraulic Axial Piston Pump,Concrete Pump

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	SERIES	A4FO series axial piston quantitative pump
	SPECIFIION	16,22,28,40,71,125,250,500
		Series 1,Series 3
	WORKING PRESSURE	Rated pressure 40MPa, peak pressure 45MPa
	FEATURE	-Swash plate A4FO axial plunger quantitative pump for hydraulic transmission in open loop - Flow rate is proportional to drive speed and displacement - Excellent oil absorption performance - Very low noise - Long service life - Combination pumps are allowed

Safety instructions
The pump housing must be filled with hydraulic oil (injected into the housing cavity) during startup and operation. Must start at low speed without load until the system is completely empty.
When parked for a long time, the shell can be drained through the working pipeline. When restarting, ensure sufficient oil is injected into the housing.
The minimum suction pressure of the oil port S shall not fall below 0.8 bar.

Installation position

The axis is horizontal at the bottom. When installed on the tank, do not allow the installation position of "shaft horizontal, oil suction toward the bottom"!

Install below tank level

Pump position below minimum oil level in tank (standard)

Add an axial piston pump before starting by going through the uppermost oil drain of the housing

Suggestion: Add suction tube

Run the pump at a low speed (ignition speed) until the pump system is fully filled

The minimum submersion depth of the suction or drain line in the tank: 200 mm (relative to the lowest oil level in the tank).

Install above tank level

A pump installed above the lowest oil level in the tank

The installation position is lower than the oil tank level

The installation position of "the shaft is against the top" and "the shaft is level and the oil suction mouth is at the bottom" is not allowed (when the pump housing stops, it leaks oil through the suction pipe).

Note: - The maximum allowable straw length hmax = 800 mm

- Minimum allowable pressure of oil port S (minimum oil suction pressure)