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We Make Valve Automation Easy
We Make Valve Automation Easy

31D Series Brass 3-way Ball Valves

Standard Port with NPT Connections (1/4" to 3")
Manual and Actuated Brass 3-way ball Valves



The 31D is a 3-way, brass ball valve. It can be equipped with a manual handle or with direct mount pneumatic or electric actuators. The direct mount actuators eliminate the valve-actuator mounting kit, which adds unnecessary height and expense. A full range of accessory items are available including limit switches, solenoid valves, positioners and manual override device.


Flow Plans

3-way Sanitary Ball Valve Flow Plans
These are only the most common flow plans
Show all Possible Flow Plans

Features & Benefits

  • Standard port
  • Blow-out proof stem
  • Live-loaded Pyramidal stem seal design
  • Integrated mounting pad for actuators
  • Compact assembly
  • Complete line of accessories


  • Body & Stem - Brass
  • Ball - Chrome Plated Brass
  • Seats - PTFE
  • Stem Seals - PTFE, with VitonĀ® O-ring, or RPTFE
End Connections
  • NPT Threaded (1/4" to 3")
Temperature Range:
  • -30 to 320°F
Pressure Range:
  • up to 400 PSIG
  • up to 100 WSP

Available Actuators

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

Typical Applications

  • Air Drying Equipment
  • Pollution Control Equipment
  • Process Control Applications
  • Laundry Equipment
  • Textile Dyeing & Drying
  • Bottling & Dispensing Equipment
  • Custom Ball Valve Assemblies

buy an actuated 3-way brass ball valve
Viton® is a trademark of the DuPont Company.
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