• Enerpac ZA4 high pressure modular air hydraulic pumps feature Z-Class high efficiency air pump design; higher oil flow and bypass pressure
• ATEX 95 certified for use in potentially explosive atmospheres
• Two-speed pump operation reduces cycle time for improved productivity
• User adjustable relief valve built-in on manual valves. Oil ports on valves are 3/8" NPTF
• Optional heat exchanger warms exhaust air to prevent freezing and cools the oil
• Full sight oil level glass on 10, 20 and 40 litres reservoirs for easy monitoring of the hydraulic power unit's oil level, oil level indicators on 4 and 8 litres reservoirs.

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Chart ( metrics )

For Use with Cylinder		Pump Speed		Usable Oil Capacity	Valve Type and Function					Model Number	Output Flow Rate				Weight
											l/min at
S/A	D/A	Single	Two	litres	Nr	Type	Adv	Hold	Ret		7 bar	50 bar	350 bar	700 bar	kg
–	–	–	•	4,0	– *	–	–	–	–	ZA4004NX	13,93	11,06	1,80	1,31	27
•	–	–	•	4,0	VM32	3/2	•	–	•	ZA4204MX	13,93	11,06	1,80	1,31	30
•	–	–	•	8,0	VM33	3/3	•	•	•	ZA4308MX	13,93	11,06	1,80	1,31	34
•	–	–	•	10,0	VM33L	3/3	•	•	•	ZA4610MX	13,93	11,06	1,80	1,31	51
–	•	–	•	4,0	VM43	4/3	•	•	•	ZA4404MX	13,93	11,06	1,80	1,31	31
–	•	–	•	8,0	VM43	4/3	•	•	•	ZA4408MX	13,93	11,06	1,80	1,31	35
–	•	–	•	10,0	VM43L	4/3	•	•	•	ZA4810MX	13,93	11,06	1,80	1,31	40
–	•	–	•	20,0	VM43	4/3	•	•	•	ZA4420MX	13,93	11,06	1,80	1,31	52
–	•	–	•	40,0	VM43	4/3	•	•	•	ZA4440MX	13,93	11,06	1,80	1,31	75

Chart ( Imperial )

Used with Cylinder	Usable Oil Capacity	Valve Model Number 2)	Valve Function	Model Number	Output Flow Rate 1)				Weight
					(in3/min at psi)
	(gal)				100	700	5000	10,000	(lbs)
Single- acting	1.0	Manual VM32	Advance/ Retract	ZA4204MX	850	675	110	80	65.5
	1.75			ZA4208MX	850	675	110	80	75.7
	5.0			ZA4220MX	850	675	110	80	112.7
Double- acting	1.0	Manual VM43	Advance/ Hold/ Retract	ZA4404MX	850	675	110	80	66.7
	1.75			ZA4408MX	850	675	110	80	76.9
	2.5			ZA4410MX	850	675	110	80	87.1
	5.0			ZA4420MX	850	675	110	80	113.9
	10.0			ZA4440MX	850	675	110	80	164.6