38 Series Stainless Steel Ball Valves

3-piece Body with NPT, Socket Weld, Tri-Clamp, or Butt Weld Connections (1/4" to 4")
3-piece Stainless Steel Ball Valves



Assured Automation’s 38 Series ball valves are live loaded with self-adjusting packing and a design that is specifically manufactured for high-cycle applications.

A variety of actuators are available along with a full range of accessory items including limit switches, solenoid valves, modulating positioners, and manual override devices. Complete assemblies are built from stock, and tested in our ISO certified shop prior to shipping.


Parts Diagram

Features & Benefits

  • Silicone Free
  • Full Port for unobstructed flow
  • Live-loaded Pyramidal stem seal design
  • Quick quarter-turn rotation
  • High cycle stem design [details]
  • Integrated mounting pad for actuators
  • Compact assembly
  • Complete line of accessories


  • Body, Ball, & Stem: 316 stainless steel
  • Stem Seals: PTFE, Viton®, or RPTFE
  • Seats: PTFE or RPTFE
End Connections
  • NPT Threaded (1/4" to 3")
  • Socket Weld (1/4" to 3")
  • Tri-Clamp (1/2" to 4")
  • Extended Butt Weld (1/2" to 4")
Temperature Range:
  • -30 to 380°F
    see P/T curve
Pressure Range:
  • 1000 PSIG
    see P/T curve

Available Actuators

  • Electric
  • Pneumatic (spring return)
  • Pneumatic (double acting)
  • Manual Handle

Typical Applications

  • Air Drying Equipment
  • Sterilizers
  • Autoclaves
  • Pollution Control Equipment
  • Process Control Applications
  • Laundry Equipment
  • Textile Dyeing & Drying
  • Bottling & Dispensing Equipment
  • Ink & Paint Dispensing
  • Industrial Compressors
  • Chemical Process Industry
  • Pharmaceutical Chemical Industry
  • Custom Ball Valve Assemblies

High Cycle-Life Stem Design

buy a stainless steel actuated ball valve
Viton® is a trademark of the DuPont Company.
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Please contact us to verify any information that is critical to your application..