Scotch Yoke Pneumatic Actuator
Scotch Yoke
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ISO 5211
NAMUR
1M+ Cycles
Pneumatic Actuators
Scotch Yoke Pneumatic Actuator
High-torque scotch yoke pneumatic actuators designed for large-bore valves, ESD applications, and extreme industrial services.
Torque Range
Up to 130,000 Nm
Scotch Yoke Pneumatic Actuator
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Product Overview & Operating Principles
Key Engineering Advantages:
High starting and ending torque matching quarter-turn valve characteristics
Heavy duty carbon steel welded cylinder with chrome-plated bore
Modular power cylinder, spring cartridge, and center body design
Emergency Shutdown (ESD) and safety instrumented systems (SIL 3 rated)
Manual hydraulic override and declutchable manual gearbox options
IP67 / IP68 fully sealed weatherproof enclosure
Technical Drawings & Blueprints
High-definition sizing charts, torque curves, and structural schematics.
Standard Technical Specifications
| Parameter | Huamachine Standard Specification |
|---|---|
| Actuator Type | Scotch Yoke Mechanism (Symmetric / Canted) |
| Output Torque | Up to 130,000 Nm |
| Operating Medium | Clean Compressed Air or Hydraulic Fluid |
| Working Pressure | Pneumatic: 3-10 Bar | Hydraulic: up to 210 Bar |
| Failsafe Mode | Spring Return (Fail Close / Fail Open) |
| Cylinder Bore | Up to 1,200 mm |
| Enclosure Rating | IP67 / IP68 submersible |
| Certification | ATEX 2014/34/EU, CE, SIL3, ISO9001 |
Inquire About This Product
Specify your size, torque requirements, or quantity for a fast quote within 12 hours.