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3278

Pneumatic rotary actuator

USAGE

  • Throttling service

ACTUATOR MOTION
Rotary

RATED ANGLE
90°

SUPPLY
Pneumatic

VERSION
Standard

FAIL-SAFE ACTION
Reversible

Special features

  • Single-acting pneumatic diaphragm actuator for butterfly valves and other final control elements with rotary closure members
  • Direction of action (fail-open/fail-close) can be selected as required
  • Diaphragm area 160 or 320 cm²
  • Various signal pressure ranges
  • Travel stops externally adjustable to limit the opening angle
  • No special tools required for mounting and conversion
  • Signal pressures up to max. 6 bar
  • Connections according to DIN ISO 5211

Accessories

Options

  • Version with handwheel

Information

  • T 8300

    Informations Sheet:
    Actuators
    Pneumatic, electric and electrohydraulic actuators for control valves and butterfly valves
    [EN][DE][ES][PL]
  • T 8321

    Type 3278 Pneumatic Rotary Actuator
    [EN][DE][FR]

Support

  • EB 8321

    Type 3278 Pneumatic Rotary Actuator
    Actuator area: 160 and 320 cm²
    [EN][DE][FR][ES]
  • EL 8321

    Spare Parts List for Type 3278 (160 and 320 cm²)
    [EN][DE]

DXF file from data sheet

Certificates

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