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ADF Series Electro-Hydraulic Rotary Actuator
Hydraulic Actuators / ADF Series

ADF Series

Electro-Hydraulic Rotary Actuator — PANDA & PA Series

High-performance electro-hydraulic rotary actuators delivering 46–10,000 Nm with extremely high torque density in compact dimensions. PANDA low-pressure and PA high-pressure variants with spring return fail-safe, ATEX Zone 1 & 2 and SIL 2/3 certification — built for ESD valves, offshore, and severe industrial duty.

ATEX Zone 1 & 2
SIL 2 / SIL 3
IP67 / IP68
ISO 5211
NAMUR
Machinery Directive 2006/42/EC
Torque

46 – 10,000 Nm

Protection

IP67 / IP68

Temperature

-20°C to +50°C

Safety

SIL 2 / SIL 3

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Technical Specifications
Operating Principle

Electro-hydraulic compact power unit

Torque Range

46 Nm – 10,000 Nm (higher on request)

Low Pressure (PANDA)

Up to 8 bar

High Pressure (PA)

Up to 180 bar

Actuator Type

Part-turn — quarter-turn 90°

Rotation Angle

90° (adjustable mechanical stops)

Control Type

On/Off or Modulating

Fail-Safe

Spring return or hydraulic accumulator

Hydraulic Medium

HLP oil, filtered ≥ 10 µm

Motor Voltage

230V AC / 400V AC, 50/60 Hz

Power Consumption

180 W – 750 W (model dependent)

Ingress Protection

IP67 / IP68

Ambient Temperature

-20°C to +50°C

Explosion Protection

ATEX Zone 1 & 2

Mounting Standard

ISO 5211 / NAMUR

Piping

Block construction — no external piping required

Safety

SIL 2 / SIL 3 configurable

Service Life

Near wear-free — oil-lubricated components


Key Features
A

Electro-Hydraulic Design

Integrated hydraulic power unit with electric motor for compact and highly efficient operation.

B

High Torque Density

Delivers very high torque in compact dimensions without the need for gearboxes or external piping.

C

Fail-Safe Operation

Spring return or hydraulic accumulator ensures safe valve position on power loss.

D

Low & High Pressure Variants

PANDA series replaces pneumatic actuators at low pressure; PA series handles extreme high-pressure heavy-duty applications.

E

Minimal Wear

All mechanically stressed components are continuously oil-lubricated for exceptional service life.

F

Hazardous Area Ready

ATEX Zone 1 & 2 certified for use in explosive and classified industrial environments.

G

Efficient Energy Use

No gearbox losses — hydraulic transmission ensures high efficiency and minimal power consumption.

H

Outdoor & Marine Ready

Designed for outdoor installation, marine atmosphere, and offshore conditions.

I

Flexible Control

Supports On/Off, modulating control, and optional onboard control panels.

J

Easy Integration

ISO 5211 and NAMUR interface for direct valve mounting without additional adapters.

10,000 Nm

Max Torque

ATEX Z1 & Z2

Hazardous Area

SIL 2/3

Safety Integrity

IP67/68

Ingress Protection

Wear-Free

Oil-Lubricated Drive