Introduction
The Skotch Yoke Actuator is a 90° drive mechanism that can be driven by external compressed air or hydraulic fluid. This mechanical actuator is designed to automate the operation of quarter-turn valves by converting linear motion into rotary motion.
Parameter
| Torque range | 400 Nm – 73,609 Nm (customizable to 350,000 Nm) |
| Working temperature | -40°C ~ +80°C |
| Working pressure | 6–12 Bar |
| Actuator type | Double-acting or single-acting pneumatic pistons |
| Operation mode | Normally closed or normally open with spring return |
| Explosion-proof measures | ATEX Ex d certified bobbin and switch-box |
| Quick closure | With quick exhaust valves |
Our Skotch Yoke Actuators are available in multiple types to suit different industrial applications and operating conditions:
Low-Pressure Actuators – For light-load or small valves.
High-Pressure Actuators – For heavy-load or large valves.
Pneumatic Actuators – Single- or double-acting, powered by compressed air.
Rack and Pinion Actuators – Convert piston motion to rotary motion for quick operation.
Manual Override Actuators
Hand-wheel operation for power or air failure.
Line Break Actuators
Automatically actuate on supply line failure for safety.
Gas over Oil Actuators
Smooth, high-torque operation for large valves.
Features
High Torque Output
Scotch Yoke design delivers 400–73,609 Nm torque for large valves.
01
Flexible Operation
Supports double- or single-acting pistons, normally open/closed, spring return, and manual hand-wheel.
02
Secure Locking
Spring-return actuators feature a mechanical lock to prevent accidental valve movement.
03
Low Maintenance
Field-adjustable switches allow easy maintenance.
04
Direct Pressure Operation
Operates with direct line pressure without a regulator.
05
FAQ
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