Valvenok Pneumatic Rotary Actuators

Products / Actuators

Pneumatic Actuators

Rotary Actuators for Quarter-Turn Valve Automation

A full range of pneumatic rotary actuators engineered for reliable quarter-turn valve control. Rack-and-pinion spring return for fail-safe process control, scotch yoke for high-torque heavy-duty automation — all with ISO 5211 direct-mount.

Valvenok supplies a complete range of pneumatic rotary actuators for quarter-turn valve automation. From compact rack-and-pinion spring return units for general process control to heavy-duty scotch yoke actuators engineered for high-torque oil & gas, pipeline and offshore applications — every actuator is built to ISO 5211 mounting standards for direct-fit on ball, butterfly and plug valves.

SRA Series

SRA Series

SRA

Spring Return Rack & Pinion Actuator

Pneumatic rack-and-pinion rotary actuators with fail-safe spring return operation. ISO 5211 mounting for direct fit on quarter-turn ball, butterfly and plug valves across general process control.

Spring Return

Rack & Pinion

ISO 5211 Mount

90° Rotation

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AD Series

AD Series

AD

Scotch Yoke Heavy-Duty Actuator

Scotch yoke pneumatic actuators engineered for high-torque quarter-turn valve automation. Symmetric and canted yoke designs deliver superior breakaway torque for heavy-duty oil & gas, pipeline and offshore applications.

Scotch Yoke

High Torque

Double Acting & Spring Return

90° Rotation

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PDS Series

PDS Series

PDS

Scotch Yoke Pneumatic Actuator — Double & Single Acting

Scotch-Yoke pneumatic actuators engineered for superior break-out torque in demanding flow control environments. Available in double acting (PD) and single acting spring return (PS) configurations with hard anodized aluminum construction for corrosion resistance.

Scotch Yoke

3.5–8 Bar

-20°C to +80°C

ISO 5211 / NAMUR / VDI-VDE 3845

±5° Adjustable Travel Stops

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HD Series

HD Series

HD

Heavy-Duty Scotch Yoke Pneumatic Actuator — IS & IC Series

Heavy-duty scotch yoke pneumatic actuators in Symmetric (IS) and Canted (IC) configurations, engineered for demanding industrial valve automation. Wide torque range for ball, butterfly and plug valves — on-off and modulating service. ATEX, SIL3 and PED certified.

Scotch Yoke IS & IC

132 – 120,867 Nm

3.5 – 10 bar

-20°C to +85°C

IP66 / IP67

ISO 5211 / ATEX / SIL3

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PLDS Series

PLDS Series

PLDS

Pneumatic Linear Double Acting Cylinder

Double-acting pneumatic linear cylinders engineered for precise motion control in automation systems and valve actuation. Low-friction seals, universal ISO mounting, and multiple corrosion protection grades for demanding industrial environments.

Double Acting

3 – 7 bar

-20°C to +80°C

IP66

ISO 3322 / 4393 / 5597

Multiple Corrosion Grades

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MPLDS Series

MPLDS Series

MPLDS

Micro Pneumatic Double Acting Linear Actuator

Compact double-acting pneumatic linear actuators engineered for fine automation and precise linear motion in tight spaces. Modular design, IP66 protection, and wide pressure range with support for positioners, solenoids and limit switches.

Double Acting

2.1 – 6.2 bar (30–90 PSIG)

-10°C to +60°C

IP66

Compact Modular Design

Positioner / Solenoid Ready

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ISO 5211

Mounting Standard

90° Rotation

Quarter-Turn

Fail-Safe

Spring Return Variants

High Torque

Scotch Yoke Variants

Fast Dispatch

Availability