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DHP Multi-Turn Valve Actuator


Enclosure may vary depending on the specifications of the product (water-proof/explosion-proof, Single-Phase/Three-Phase Power).


RPMTECH's DHP Multi-Turn Series products are Electro-Hydraulic Actuators built for multi-turn valves (Gate Valves, Globe Valves, etc.). The DHP Multi-Turn Series is a compact, all-in-one solution that is capable of advanced control modes for maximum versatility. The DHP Multi-Turn Series is equipped with two motor pumps, which translates to twice the speed of the MHP Quarter-Turn Series.


  • Compact, All-in-one Electro-Hydraulic Actuator

  • Does not require gearbox: direct power delivery (high efficiency)

  • Modular design (easy maintenance)

  • Equipped with patented manual hand pump

  • Various installation types (able to install actuator and hydraulic cylinder separately for safety and ease of use)

  • Limit settings and parameter settings are easily accessible

  • Self-diagnosis capabilities and password lock for added security

  • Various advanced control modes (refer below to Control Modes)

  • Audible and visible alarm during abnormality

  • Supports various communication platforms (AIO/DIO, Profibus, etc.)


  • Power: Single-Phase AC 110~220V (50/60 Hz) or Three-Phase AC 380~460V (50/60Hz)

  • Enclosure Rating: IP68 Water-proof or Exd II B T4 Explosion-proof

  • Motor Specs: Bidirectional 0.6kW BLDC Motor (DHP Series: 1.2 kW)

  • Torque Range: 90 Nm ~ 420 Nm (Contact for higher torque)

  • Minimum Open/Close Time by torque:

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Certifications vary by product specifications.



Electro-Hydraulic Valve Actuators

Electro-Hydraulic Actuators are driven by the hydraulic pressure generated from an electric motor, which is then delivered to the hydraulic cylinder to control the valve.

Compact and All-in-One

Advanced Software

Safe and Reliable

RPMTECH actuators are equipped with hydraulic pressure generators, a high tech controller, and a manual hand pump based on patented technology. The compact, all-in-one design and the modular installation capabilities makes the actuators versatile and easy to conduct maintenance.

RPMTECH actuators support a variety of communication platforms to best fit the needs of the end user. The user can access virtually all settings and advanced control modes via the LCD display. The self-diagnosis feature allows for simple maintenance and maximum efficiency.

RPMTECH actuators are engineered (both software and hardware) to maximize the safety of the user and enhance the reliability of the product. The manual hand pump is engineered based on patented technology and adds more reliability especially during a power loss or emergency. Also, Modular Installation allows for the actuator to be installed at a safe and accessible location.

Actuator Configuration Example

DHP Multi-Turn Valve Actuator

Explosion-proof, Single-Phase, Multi-Turn Cylinder


Position Meter

Hydraulic Pressure Generator

DHP (Dual Hydraulic Powerpack)

Mechanical Driver Unit

Point of Attachment (Valve)

Gate Valve, Globe Valve

Manual Hand Wheel

Built on patented technology​

Actuator Controller

Controller + Display + Local Switch


Control Modes

Control Modes

Control modes optimized for flow controlwater-hammer absorption, and valve disk protection

Open / Close

Open and Close at constant speed where the speed is configurable.

(applicable to all models)



Maintains valve at a certain position (configurable every 1%).


*Desired Control Mode(s) must be stated in the Request Quote Form below.

Request Quote

Request Quote

Useful details to include: Power (Single-Phase or Three-Phase), Torque (Nm), Enclosure Rating (Water-proof or Explosion-proof), etc.

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유지 보수 설명서

Maintenance Manual


 사용자 설명서

User Manual

Document Title

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Screen Shot 2020-07-16 at 10.10.45
Screen Shot 2020-07-16 at 10.10.45
Screen Shot 2020-07-16 at 10.10.45
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