PT Series Pneumatic Rotary Actuators – Stainless steel rotary actuators for corrosive environments

Pneumatischer Edelstahl-Schwenkantrieb Serie PT Voll-Edelstahl

Uncompromising quality to meet the highest standards

ProtACT’s PT series of rotary actuators is made entirely from high-quality stainless steel alloys. It has been specially developed for applications where conventional aluminium actuators reach their limits.

Thanks to its extreme resistance to chemicals, cleaning agents and weathering, the PT series is ideally suited for:

  • The chemical and petrochemical industries (corrosive atmospheres)
  • The pharmaceutical and food industries (strict hygiene requirements, CIP/SIP cleaning processes)
  • Offshore and marine applications (saltwater resistance)

As a pneumatic rotary actuator, the PT series combines maximum corrosion resistance with reliable process safety in continuous operation.

Technical Specifications & Key Features

7 actuator sizes

  • Sizes from PT-045 to PT-160

Construction principle

  • Pneumatic double-piston rotary actuator in rack and pinion-design with selfcentering pistons; double- and single-acting execution

Nominal rotation angle

  • 90° - Adjustable in switch position +/-5°,
    (optional 100% stroke adjustment)

Control pressure

  • 2 ... 8 bar

Torque range

  • Double-acting up to 1069 Nm
  • Single-acting up to 542 Nm

Temperature range

  • Standard: -20°C … 80°C
  • Low temperature: -40°C … +80°C
  • High temperature: -10°C … +150°C

Standards

  • Interface actuator/feedback-unit: 
    VDI/VDE 3845 resp. NAMUR
  • Interface actuator/control media supply: 
    VDI/VDE 3845 resp. NAMUR
  • Interface actuator/valve:
    ISO 5211 and DIN 3337

Material

  • Stainless steel AISI 304 or AISI 316

Data sheets & technical documentation available for download

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