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Pneumatic Actuator

Model PX

Piston Pneumatic Actuator

The Model PX pneumatic piston actuator delivers high-force output for demanding valve automation applications. Spring-return design provides fail-safe operation with fast response times. Ideal for applications requiring higher operating pressures than diaphragm actuators while maintaining the simplicity of pneumatic control.

Key Specifications
250 PSI Max Operating Pressure
-20°F to 200°F Temperature Range
6" – 14" Model Sizes
API 6A Compliance
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Full Specifications

Detailed technical specifications for the Model PX pneumatic piston actuator.

Operating Parameters

  • Max Supply Pressure250 PSI
  • Temperature Range-20°F to 200°F
  • Operating MediumNatural Gas / Air
  • Spring ReturnFail-Safe Close

Size Configurations

  • Model Sizes6" – 14"
  • Bore Range2 1/16" – 7 1/16"
  • Stroke OptionsStandard & Extended
  • MountingAPI 6A Interface

Material & Compliance

  • Body MaterialCarbon Steel / Alloy
  • CylinderHoned Steel Tube
  • SealsNitrile / Viton
  • ComplianceAPI 6A / ISO 10423

Key Features

High-force pneumatic actuation for demanding applications.

Fail-Safe Design

Spring-return mechanism ensures valve closes safely on loss of supply pressure, protecting your operations.

High Force Output

Piston design delivers greater force than diaphragm actuators for larger valves and higher pressure differentials.

Fast Response

Quick exhaust capability provides rapid closure times critical for emergency shutdown applications.

Accessory Options

Compatible with manual overrides, position indicators, limit switches, and quick exhaust valves.

Available Accessories

Customize your Model PX with a full range of accessories.

Standard Manual Override
Fusible Manual Override
Position Indicators
Fusible Lock Open Device
Limit Switches
Quick Exhaust Valves

Need Help With Your Application?

Our engineering team can help you select the right actuator configuration and accessories for your specific requirements.

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