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Weirless Pneumatic Actuators

Pneumatic Actuators for Weirless Radial-Diaphragm Inline Valves

Rugged, reliable, flexible, and easily maintained

OverviewFeatures & BenefitsSpecificationsDatasheet & Resources
ASEPCO Weirless Radial-Diaphragm Actuators for Inline Valves, Pneumatic

Our pneumatic actuators are not spring loaded and are designed to withstand a few dings and drops. All actuators have a position indicating shaft that extends when the valve is open, allowing you to confirm the valves position with a quick glance.

The actuators contain as few O-rings and seals as possible, resulting in a very simple maintenance procedure. If you can fasten a tri-clamp, you can easily assemble and disassemble any ASEPCO valve for inspection or maintenance, and you can do it without tools!

A large number of options are available with these actuators, including switches, solenoids, regulators, dual-acting positioners, and your choice of fail open or closed.

Asepco Weirless Pneumatic Actuator with callouts
  • Requires little maintenance—typically on a yearly basis
  • EPDM bushings and O-rings, but very few of them
  • All actuators meet 3A requirements
  • Grease not required
Weirless Valve Pneumatic Actuator dimensions
   Actuator bodies Solid-bar 304 stainless steel (can be 316L)
   Diaphragm shafts 316L stainless steel
   Actuator shafts Nitronic 60 or Gall-Tough® stainless steel
   O-rings EPDM
   Seals EPDM
   Bearings Two sets of stainless steel thrust bearings in nylon cages
   Position indication Position-indicating shaft provides visual confirmation of valve position
   Pneumatic air connection
1/8-inch NPT (autoclavable); lubrication not required
   Max pressure 250 psi
   Max temperature 135°C (or 275°F)
   Standards BPE, CE-PED, ASME
   ISO All product and procedures are governed by our ISO Quality Assurance Program
download document Datasheet: ASEPCO Weirless Radial-Diaphragm Inline Valve Actuators Datasheet


view animation Video: Inline Valve Animation


more about this product Product News: Simplify Your Actuator Choices


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For a printable version of this web page that includes the product information, features & benefits, specifications, and drawings, download the PDF.

pdf-download-icon ASEPCO Radial-Diaphragm Inline Valve Actuators Datasheet

We specialize in customization. Please contact our Customer Service Department for any non-standard product requirement (800) 882-3886.