Yale Industrial Products Asia (Thailand) Co. Ltd.

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Multiple-flow hydraulic power packs model PMF

Multiple-flow hydraulic pumps can advance 4
cylinders with the same speed in the same time by
injecting equal amounts of hydraulic oil into each individual cylinder. This principle allows a synchronized lifting of machines or similar loads from a central point. Even under different loading conditions the cylinders advance in synchronisation.
A levelling of a lopsided load is easily possible by an individual control of each single cylinder. The lifting phase is initiated by a push-button remote control box and can be interrupted and continued at any time.
Lowering of the load is done by operating the directional valve in connection with the throttle valve
individually for each circuit. The multiple-flow pumps
can drive all kinds of hydraulic cylinders, machine
jacks or stage lifts.

Features
- 4-point synchronized lift due to 4 equal, independent and individual oil flows.
- 4 manually operated directional valves, or 4 solenoid directional valves allow an individual or joint
control of all 4 connected cylinders (easy levelling
of a load possible).
- Safe load hold due to check valve in each circuit.
- One-man central operation.
- Motor on-off switch by means of a pendant remote control box in connection with manual valves.
- A complete remote control box to operate the solenoid valves.

Option
- All pump packs are also available with
- 4/3 direction-valves (for controlling the doubleacting hydraulic cylinders).
- All power packs can be supplied with a protection frame suitable for on-site operation.
- Also cart-frames with 2 fixed and 2 swivel castors are available on request.

! All extra loads can be meter read permanently.

Scope of delivery
- For each of the four circuits the ready to use supply
includes: glycerine-damped pressure gauge, 3-way
control valve, safety-check valve, a female couplerhalf as connecting port. Furthermore: hydraulic oil, carrying handles, motor on-off switch, motor connecting cable, pendant remote control, electro-box with transformer and motor relais, oil level gauge and oil-filler/ventilation plug. All multiple-flow power packs are also available with 4-way directional valves in order to operate double-acting hydraulic cylinders.

4-multiple-flow power packs with solenoid directional valves model PMF

4-multiple-flow power packs with solenoid directional valves to advance 4 hydraulic cylinders independently and in a synchronized way by means of solenoid valves with a pendant remote control box. The solenoid valves in connection with safety-throttle valves allow a precise control of all connected hydraulic cylinders.

! All multiple-flow power packs are also available
with 4-way directional valves in order to operate
double-acting hydraulic cylinders model PMF.