SWAGELOK WHITEY MS-135-SR MODEL 135SR 90° SPRING RETURN ACTUATOR 200PSI MAX

Product Overview:

• Brand: Swagelok / Whitey

• Model: MS-135-SR (also referred to as 135SR)

• Type: Pneumatic Actuator

• Actuation Style: 90° Spring Return

Key Features:

• Spring Return Functionality:

  • Automatically returns to original position upon loss of air pressure

  • Provides fail-safe operation

• Quarter-Turn (90°) Actuation:

  • Ideal for use with ball and butterfly valves

  • Precise and reliable rotary motion

• Compact and Rugged Design:

  • Durable metal housing

  • Suitable for demanding industrial environments

• Pressure Rating:

  • Maximum Operating Pressure: 200 PSI (13.8 bar)

Applications:

• Process control systems

• Fluid handling

• Chemical and petrochemical industries

• Valve automation in critical safety operations

Technical Specifications:

• Actuator Type: Pneumatic, single-acting (spring return)

• Rotation: 90 degrees

• Max Pressure: 200 PSI

• Materials: High-quality, corrosion-resistant components (specific materials vary by configuration)

• Mounting: Standardized for compatibility with various valve types

Benefits:

• Enhances system safety with fail-close/fail-open capability

• Minimizes manual intervention

• Reduces downtime and improves automation efficiency