DFNRotary Actuator

Dyna-Flo DFN Yokeless Spring & Diaphragm Actuator

Bracket-mounted actuator for butterfly valves, chokes and louvers.

A bracket-mounted, direct-acting spring-and-diaphragm actuator that operates butterfly valves, chokes and louvers for throttling or on/off control without a conventional yoke.

ACTS is Dyna-Flo Control Valve Services’s sole agent in Egypt, supplying the DFN Yokeless Spring & Diaphragm Actuator to oil & gas, petrochemical and power generation plants nationwide from our office in Sheikh Zayed City, Giza. Sizing and selection are handled by our own application engineers, with aftermarket support and technical services once the unit is in service.

Key Features
  • Direct-acting, yokeless design
  • Operates butterfly, choke & louver valves
  • Bracket-mounted
Specifications
Input Signal35 PSIG (2.41 BARG)
Bolt Circle2-7/8" or 3-7/8"
Sizes069, 156
Temperature-40°F to 180°F (-40°C to 82°C)

Specifications transcribed from the manufacturer datasheet. Confirm final selection with the product catalog or on request.

Documentation
Bulletin

DFN Bulletin

Product specification and data bulletin.

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