Pressure Control

GCTS offers a complete, stand-alone solution for controlling fluid volume or pressure in a variety of applications. Pressure control for rock testing, click here, and pressure control for soil testing, click here.

The ePVC Series of Standalone Pressure / Volume Controllers provide independent control of hydraulic pressure or flow for a variety of applications. These controllers are electromechanical and only require standard 100‐240 VAC, 50/60 Hz power for operation ‐ no hydraulic power is needed. GCTS offers pressure/volume controllers rated for ultra high pressure up to 1 GPa (150,000 psi)!

They are capable of closed‐loop servo‐control of the pressure or volume and feature a large volume capacity and stroke with a direct, integrated transducer for precise volume measurements. This is done to prevent control errors caused by gear backlash commonly found in other systems that use a motor encoder. The ePVC includes interface programs for PC or mobile devices (iOS, Android and Windows) to remotely set pressures or flow rates. Multiple units can be linked through our CATS software for simultaneous control as required by triaxial, permeability, hydro‐fracturing, creep, and other testing applications. All models can be upgraded with continuous flow capabilities with no recharge pause. This allows for true continuous flow with no pressure spikes.



  • Standalone Pressure / Volume Intensifier with Controller
  • Controlled by on-board keypad, computer, or mobile device
  • 1 to 210 MPa standard pressure range models
  • Ultra high pressure 1 GPa (150,000 psi) model available
  • As low as 0.05 kPa resolution
  • Up to 823 cc volume stroke
  • As low as 0.0002 cc resolution
  • Up to 1,236 cc/min. flow rate @ 5% rated pressure
  • Closed-loop digital servo control of pressure or flow (volume) with “bumpless” transfer
  • TCP/IP Communications
  • Optional models available for corrosive fluids
  • Continuous flow models with no recharge pauses available
  • Power: 100–240 VAC, 50/60 Hz @ 1 KVA

Are you interested in our Pressure Control solution? Contact us today!

Pressure Control

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