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Pneumatic Actuator

Model DX

Diaphragm Pneumatic Actuator

The Model DX spring-return pneumatic diaphragm actuator delivers reliable fail-safe valve automation for applications requiring precise control at lower pressures. Available with a comprehensive range of accessories including standard and fusible manual overrides, position indicators, fusible lock open devices, and tandem configurations.

Key Specifications
170 PSI Max Operating Pressure
-20°F to 180°F Temperature Range
10" – 20" Model Sizes
AA / BB / CC Valve Class
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Full Specifications

Detailed technical specifications for the Model DX pneumatic diaphragm actuator.

Operating Parameters

  • Max Supply Pressure170 PSI
  • Temperature Range-20°F to 180°F
  • Operating MediumNatural Gas / Air
  • Spring ReturnFail-Safe Close

Size Configurations

  • Single Models10" – 20"
  • Single Bore Range2 1/16" – 4 1/16"
  • Tandem Models18" – 20"
  • Tandem Bore Range4 1/16" – 7 1/16"

Material & Compliance

  • Valve ClassAA, BB, CC
  • Body MaterialCarbon Steel
  • DiaphragmNitrile Rubber
  • ComplianceAPI 6A / ISO 10423

Key Features

Engineered for reliability in demanding valve automation applications.

Fail-Safe Design

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

Precise Control

Diaphragm design provides smooth, proportional response for applications requiring fine control at lower pressures.

Accessory Options

Compatible with manual overrides, position indicators, limit switches, and fusible lock open devices.

Tandem Configuration

Larger bore sizes available through tandem actuator arrangements for high-force applications.

Available Accessories

Customize your Model DX 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.

Model DX - 3D View

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