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4x4 Compact Pneumatic Actuator Lomas

Introducing the All Torque Pneumatic Actuator Series 4×4, a compact, high-performance solution for precise valve control in various industrial applications. This innovative actuator features a unique four-piston design that generates more than double the torque of conventional rack and pinion actuators while minimizing size requirements and air consumption.

Key Features and Benefits:

1. Compact and Powerful Design:
   • Four pistons generate torque around a centrally located pinion
   • Smaller piston diameter and narrower pinion for increased torque output and faster operation
   • Cube shape and shorter piston travel minimize size and pressure requirements
2. Versatile Spring Combinations:
   • Multiple spring sizes and arrangements for better solutions under any air pressure requirement
   • Springs wound in opposite directions to avoid tangles during operation
3. Superior Corrosion Resistance:
   • Anodized body and covers (internally and externally)
   • External epoxy base layer and polyurethane paint for enhanced protection in demanding applications
   • Withstands extended spray wash-downs without corrosion issues
4. Precise Valve Positioning:
   • Independent bi-directional travel stop adjustment (+/- 5°) for precise flow control
   • Adjustable between 85° and 95° rotation
   • Mid-stroke stop points achievable with longer studs
5. Durable and Maintenance-Friendly:
   • Carbon steel pistons for higher cycle life
   • Reduced seal wear due to shorter piston travel
   • Easily replaceable low-friction piston bearings
6. Wide Temperature Range:
   • Sealing material options for temperatures from -40°C to 120°C
7. Flexible Mounting and Control Options:
   • Direct mounted solenoid connections (NAMUR standard)
   • ISO 5211/DIN 3337 compliant mounting and shaft connections
   • Dry or lubricated filtered compressed air supply
8. Visual Position Indication:
   • Standard visual position indicator
   • Continuous indication when limit switch is used

Specifications:

1. Torque Output:
   • Double Acting (DA): Constant torque throughout rotation
   • Spring Return (SR): Varying torque due to spring compression/extension
2. Valve Compatibility:
   • Suitable for ball valves, butterfly valves, and plug valves
   • Consult the actuator sizing guide for proper selection based on valve type, media, and service conditions
3. Materials:
   • Body and Covers: Anodized carbon steel with epoxy and polyurethane coating
   • Pistons: Carbon steel
   • Bearings: Low-friction material
   • Seals: Various materials for different temperature ranges
4. Corrosion Protection:
   • Standard coating specifications: C2 – 02 (ISO 12944)
   • Multiple painting layers for optimal corrosion resistance
   • Customizable colors and protection solutions available
5. Operating Temperature:
   • -40°C to 120°C (depending on sealing material)
6. Air Supply:
   • Dry or lubricated filtered compressed air
   • Factory lubrication sufficient for a minimum of 1,000,000 operations

The All Torque Pneumatic Actuator Series 4×4 is an ideal choice for customers seeking a compact, powerful, and reliable solution for valve automation. With its innovative design, superior corrosion resistance, and flexible configuration options, this actuator series is well-suited for a wide range of industrial applications.

For detailed technical data, torque ratings, spring arrangements, and dimensional drawings, please refer to the product documentation or contact our sales team for further assistance.

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