Fife Electrohydraulic Power Units

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Fife Pneumohydraulic Power Units are specifically designed for web guiding, providing superior response and control with fully proportional corrective action. Power units are equipped with our exclusive four-way, spool-type servo valve to deliver unmatched sensitivity and stability in guiding applications for all types of materials, at any speed, under any load.

Completely self-contained, these Pneumohydraulic Power Units have a built-in regulated air system with a pump, filters, and regulator, as well as their own hydraulic reservoir, pump, filter and relief valve. External air is not required.

Pneumohydraulic power units can be supplied with one, two or three servo valves on a single power unit. One power unit simultaneously, yet independently, can handle up to three separate guiding operations. For more than three guiding operations, a combination of power units may be used.

Key Features

Provides superior response and control for any web guiding application
Exclusive spool-type servo valve for additional sensitivity and stability
For use with Fife electronic sensors and web guide controllers
Units are furnished complete with hydraulic fittings and cables
Electrical cables are multi-conductor shielded cables. They are encased in polyvinyl chloride to withstand acids, alkalis, oil, flame, moisture, solvents, and fungus
Compact, modular construction minimizes exterior tubing and provides maximum ease of servicing
Totally enclosed, or explosion proof motors are both available

Specifications

MODEL & NUMBER OF SERVO VALVES	MOTOR RATING	RESERVOIR CAPACITY	HYDRAULIC PUMP	OPERATING PRESSURE	PRESSURE AT CYLINDER
	kw / HP	l / qts	l/min / GPM	bar / psi	bar / psi
E25B-1	0.19	6.6	3	20.7	200
	0.25	7	0.8	300	13.8
E50B-1	0.37	13.3	6.0	22.4	215
	0.5	14	1.6	325	14.8
E50B-2	0.37	13.3	6.0	22.4	215
	0.5	14	1.6	325	14.8
E100B-1	0.75	20	8.7	36.2	350
	1	18.9	2.3	525	24.1
E300B-1	2.24	56.8	18.2	60.3	580
	3	60	4.8	875	40.0

MODEL	CYLINDER THRUST AND SPEED RELATIONS
	51 mm/sec	2 inch/sec	38 mm/sec	1.5 inch/sec	25 mm/sec	1 inch/sec	15 mm/sec	0.6 inch/sec
E25B-1			38 mm bore	1.5 inch bore	51 mm bore	2 inch bore
			1,299 N	191 lbf	2,095 N	471 lbf
E50B-1	51 mm bore	2 inch bore			64 mm bore	2.5 inch bore	83 mm bore	3.25 inch bore
	2,251 N	506 lbf			3,941 N	886 lbf	6,512 N	1,464 lbf
E50B-2			38 mm bore	1.5 inch bore	51 mm bore	2 inch bore	64 mm bore	2.5 inch bore
			1,397 N	314 lbf	2,251 N	506 lbf	3,941 N	886 lbf
E100B-1			64 mm bore	2.5 inch bore	83 mm bore	3.25 inch bore	102 mm bore	4 inch bore
			6,419 N	1,443 lbf	10,605 N	2,384 lbf	15,818 N	3556 lbf
E300B-1	83 mm bore	3.25 inch bore	102 mm bore	4 inch bore	127 mm bore	5 inch bore	152 mm bore	6 inch bore
	17,570 N	3,950 lbf	26,213 N	5,893 lbf	42,570 N	9,570 lbf	60,273 N	13,550 lbf

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