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Actuators

SVF Flow Controls offers electric, pneumatic rack-and-pinion, four-piston pneumatic, and spring-diaphragm actuators for automated valve assemblies. Use the filters below to explore actuator types, enclosure ratings, and voltage options. Open the applicable product page and technical documents to review torque, supply requirements, spring-return or fail-position options, mounting, operating limits, and controls for the exact series and configuration.

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Pneumatic and Electric Actuator Options

SVF actuator solutions include pneumatic and electric options for quarter-turn valve automation. Pneumatic actuators may be available in double-acting or spring-return configurations, depending on the series and size. Electric actuators provide motor-driven operation with series-specific voltage, enclosure, manual-override, position-indication, and control options.

The appropriate actuator depends on the valve’s required torque, available power source, desired operating speed, fail position, duty cycle, environmental conditions, mounting, control architecture, and applicable approvals. Final actuator sizing and selection should be confirmed against the current SVF torque data, valve requirements, and technical documentation.

How to Select an SVF Actuator

When comparing actuator families, review the exact series based on:

  • Required output torque and the valve’s break-to-open and run torque

  • Pneumatic supply pressure or electric voltage and power requirements

  • Double-acting, spring-return, or other fail-position requirements

  • Operating speed, duty cycle, and frequency of operation

  • NEMA, IP, hazardous-location, and environmental requirements where applicable

  • Operating temperature and installation environment

  • ISO 5211, NAMUR, bracket, and coupling requirements

  • Manual override, position indication, limit switches, solenoids, positioners, and feedback options

  • Available torque charts, wiring diagrams, dimensional drawings, installation manuals, and certifications

Exact capabilities vary by series and configuration. Confirm the selected actuator against its current data sheet and the valve’s sizing requirements.

Technical Documents and Automation Support

Use the individual product pages and SVF resource sections to review available data sheets, torque charts, wiring diagrams, dimensional drawings, installation and operating manuals, certifications, and related automation documents.

Confirm the compatibility of the selected actuator with the valve, bracket, coupling, controls, limit switches, solenoids, positioners, and other accessories required for the complete assembly.

Frequently Asked Questions

What types of valve actuators does SVF offer?

SVF offers pneumatic, electric, diaphragm, and piston actuator solutions for automated valve assemblies, along with related valve controllers and automation accessories. The exact actuator type, motion, torque range, fail-safe capability, mounting, controls, and environmental ratings vary by series. Review the applicable product page and current technical documentation before selecting an actuator.

How should engineers choose between pneumatic and electric actuation?

Selection should be based on the required valve torque, available compressed-air or electrical power, operating speed, fail-position requirements, duty cycle, environmental conditions, mounting, control architecture, and applicable approvals. Pneumatic and electric actuators should be sized against the exact valve torque and the current SVF performance data for the selected series.

What torque ranges do SVF actuators cover?

Torque varies by actuator family, model, operating pressure, and configuration. Review the current SVF torque chart or data sheet for the selected series. Pneumatic actuator torque depends on the model and supply pressure. Confirm the required safety factor and valve torque before final selection.

Which SVF actuator options support spring-return or fail-safe operation?

Spring-return and other fail-safe capabilities vary by actuator series and configuration. Confirm availability, required output torque, operating conditions, and the desired fail position using the current technical documentation for the selected model.

Where can engineers find SVF actuator NEMA ratings, voltage options, torque charts, and technical documents?

Series-specific enclosure ratings, voltage options, torque charts, wiring diagrams, dimensions, manuals, and certifications should be accessed through the applicable SVF product page and current technical documents. Confirm that every document matches the exact model and configuration being specified.