Product Category

A4FO

All-purpose high pressure pump with through drive.
Size 22 … 500.
Nominal pressure up to 400 bar.
Maximum pressure up 450 bar.
Open circuit.

Size				22	28	71	125	180	250	500	250	500
Version				Standard							High speed
Displacement geometric, per revolution		V_g	cm³	22	28	71	125	180	250	500	250	500
Nominal pressure		p_nom	bar	400	400	350	350	350	350	350	350	350
Maximum pressure		p_max	bar	450	450	400	400	450	400	400	400	400
Maximum speed ¹⁾		n_nom	rpm	3600	3000	2200	1800	1800	1500	1320	1900	1500
Flow	at n_nom	q_V	l/min	79	84	156	225	324	375	660	475	750
Power	at n_nom and p_nom	P	kW	53	56	91	131	189	219	385	277	438
Torque	at p_nom	M	Nm	140	178	396	696	1003	1393	2785	1393	2785
Weight (approx.)		m	kg	13.5	13.5	34	61	76	120	220	120	220

¹⁾	These values are valid at: - an absolute pressure of p_abs = 1 bar at suction port S - for the optimum viscosity range from v_opt = 36 to 16 mm²/s - with hydraulic fluid based on mineral oils

Size	22	28	71	125	180	250	500	250	500
Version	Standard	High speed
Displacement geometric, per revolution		V_g	cm³	22	28	71	125	180	250	500	250	500
Nominal pressure		p_nom	bar	400	400	350	350	350	350	350	350	350
Maximum pressure		p_max	bar	450	450	400	400	450	400	400	400	400
Maximum speed ¹⁾		n_nom	rpm	3600	3000	2200	1800	1800	1500	1320	1900	1500
Flow	at n_nom	q_V	l/min	79	84	156	225	324	375	660	475	750
Power	at n_nom and p_nom	P	kW	53	56	91	131	189	219	385	277	438
Torque	at p_nom	M	Nm	140	178	396	696	1003	1393	2785	1393	2785
Weight (approx.)		m	kg	13.5	13.5	34	61	76	120	220	120	220

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