TOP-FLO® SRS 20, 30, 40 Actuators For Diaphragm Valves

Contact Us

Designed to be economical, compact, light-weight, and durable, featuring a rugged cast iron housing and steel diaphragm plates, Steel O’Brien actuators are ideally suited for automatic and remote control of sanitary weir type diaphragm valves.

If you are interested in this product, please contact us for further assistance.

100% BPE Compliant with full material traceability.

Features:

  • Steel Diaphragm Plates: superior performance in high-pressure service.
  • Cast Iron Housing: highly durable in demanding environments
  • Positive Stop: provides added safety when manual override is used.
  • Actuator Diaphragm: highly flexible for repeated cycling.
  • Bonnet: compact and integral to the actuator providing better alignment to insure exceptional cycling. This unique design allows for easy field installation and adapts to most diaphragm valve bodies.
  • Stem Guide: unique seal arrangement prevents lateral stem movement.
  • Position Indicator: indicates valve position (optional).
  • Spring Adjustment: spring tension can be externally adjusted to provide optimum performance to compensate for high internal line pressures
  • 100% BPE Compliant
  • Full material traceability

21 Series – Double acting: Air to open/Air to close
47 Series – Spring to open/Air to close
34 Series – Air to open/Spring to close

Ready to Order?

Call us at 585-492-5800 to speak to a live person who can provide answers and assist you with your order.

Call us at (585) 492-5800 or fill out the form below and one of our experts will be in touch quickly.

Name(Required)
Address(Required)
Drop files here or
Accepted file types: jpg, doc, docx, pdf, stp, Max. file size: 100 MB, Max. files: 5.
    Communication Preferences
    This field is for validation purposes and should be left unchanged.

    Did you know

    that you can check our inventory online — without a password? Simply click here and enter your part number. What could be easier?

    Check Inventory