Electric Stationary Hydraulic Power Units

PEAK Electric Stationary (ES) HPUs are designed for permanent installation to power critical hydraulically actuated process valves. They offer local and remote operation from the plant’s control room and feature advanced functions like dual speed closure and fail-safe actions on power or signal loss.
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Typical Installation

The PEAK HPU-ES accommodates advanced features such as dual-speed closure and fail-safe actions (open or closed) in the event of power or signal loss.

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Customize your portable PEAK HPU to meet your application’s unique requirements.
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The Essentials

  • Power Supply

    Remotely located HPU’s can draw power from mobile equipment or generator. All standard voltages AC and DC up to 600 VAC, 3 Phase.

  • Area Classification

    From general purpose to CSA - Class 1 Div 2 Gr. B, C and D.

  • Environmental Requirements

    Temperature ranges from -50°C to +40°C available.

Hydraulics

  • Reservoir

    Carbon steel reservoir as standard. Additional access covers, custom configurations and alternative materials available.

  • Pump Configuration

    Single pump and motor.

  • Filtration

    Standard pump suction strainer. Return line filter& oil transfer pump (filter cart) available.

  • Pressure Isolation

    Individual isolation or double block and bleed isolation available for field lines to valve actuators.

Instrumentation

  • HPU Instrumentation

    Visual indication for tank level, temperature, return line oil filter status and pump discharge pressure is available.

  • Electrical/Control Panel

    Main power disconnect with motor starter solenoid. Emergency stop and indicator lights are available.

  • Valve Control Strategy

    Lever or push button operated directional control valves.

Hydraulic controls

  • Directional Control Valve Operation

    Lever or push button operated directional control valves. Anti-drift and protection from thermal expansion available.

  • Directional Control Valve Speed

    Limited to pump output. Available adjustable open & closed speed control.

frame

  • Carbon steel frame with epoxy paint. Enclosed frame, HPU stand, skid design with forklift pockets, lifting lugs and powder coating is available.

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