Triac

Key Features

Mechanical Design

• Scotch yoke mechanism delivers high starting and ending torque, ideal for quarter-turn valve automation.
• Compact design allows for installation in space-constrained areas.
• Available in symmetrical or canted yoke designs to suit different torque profiles.
• Constructed from durable materials such as carbon steel, stainless steel, or aluminum for strength and reliability.

Pneumatic Performance

• Available in double-acting or spring-return configurations to support fail-open or fail-close functions.
• Efficient piston design reduces air consumption.
• Provides fast and responsive actuation, suitable for high-cycle or emergency shutdown (ESD) applications.

Durability and Protection

• Surface treatments such as hard anodizing or epoxy coatings enhance corrosion resistance.
• Designed to meet environmental and hazardous area standards including IP67/IP68 and ATEX.
• Built for low maintenance with wear-resistant components and robust sealing      systems.

Modularity and Accessories

• ISO 5211 mounting interface for universal valve compatibility.
• NAMUR standards for solenoid valves and accessories.
• Compatible with a wide range of accessories including limit switches, positioners, and manual overrides.

Performance and Reliability

• High torque output suitable for demanding industrial applications.
• Designed and tested for long operational life and consistent performance.

Technical Specifications

Torque Output

• Double-Acting Models:​
  • Torque outputs range from 732 in-lbs to 12,191 in-lbs, depending on the model and operating pressure.​
• Spring-Return Models:​
  • Starting torque outputs range from 416 in-lbs to 10,900 in-lbs, varying with spring configuration and supply pressure.​

Operating Pressure

• Maximum allowable working pressure (MAWP): 125 psi.​

Temperature Range

• Standard operating temperature: -20°F to 200°F (-29°C to 93°C).​
• High-temperature option: Up to 300°F (149°C).​
• Low-temperature option: Down to -50°F (-46°C).​

Construction Materials

• Housing: Carbon steel or stainless steel.​
• Cylinders: Honed and polished with either Electroless Nickel Plating (ENP) or chrome lining.​
• Fasteners: Stainless steel as standard.​

Certifications and Compliance

• ISO 5211 mounting interface.​
• NAMUR accessory mounting pads.​
• ATEX 2014/34/EU certification.​
• IP66/IP67M ingress protection per IEC 60529.​
• SIL 3 certification in accordance with IEC 61508.​

Additional Features

• Modular Design: Allows for easy configuration and maintenance.​
• Stroke Adjustment: ±5° standard, with options for different ranges.​
• Accessory Compatibility: Supports a wide range of accessories, including manual overrides, positioners, and control systems.