Saunders® P345 Actuator



Saunders® P345 is a polymer based piston operated pneumatic actuator designed to provide superior performance in Bioprocess applications.





Features and Benefits


  • 4.5 BAR OPERATING PRESSURE: Lower total cost of ownership through reduced air consumption
  • INDUSTRY LEADING CLOSURE PERFORMANCE: Maintains 10 bar at 100% pressure drop for rubber and PTFE diaphragms
  • 30% LIGHT WEIGHT CONSTRUCTION: Lighter construction compared to Stainless steel actuators
  • ZERO MAINTENANCE: Maintenance free plug-n-play reliable operation


Back to Top




Technical Data


Size Range

  • DN8 (0.25") - DN100 (4.00")



Modes of Operation

  • Spring-to-Close
  • Spring-to-Open
  • Double Acting



Material of Construction

  • Polymer Cover: Polyamide
  • Bonnet: Stainless Steel
  • Suitable for typical industry wash down regimes*




  • Max: 100°C (14°F)
  • Min: -10°C (212°F)



Accessory Options

  • Saunders-VUE Sensors (direct mount)
  • Limit Open Stop (Spring-to-Close Mode)
  • Positioners




  •  Easily retrofitted on existing Saunders valves
  • Unique compressor design for easy diaphragm interchangeability



Product Marking

  • Catalogue Code
  • Valve Size
  • Mode of Operation
  • Operating Pressure
  • Date of Manufacturing







 Back to Top




Literature Documents



Specifications and Literature
Saunders® P345 Actuator - Flyer (EN A4)
Saunders® P345 Actuator - Flyer (EN LT)
p345 saunders actuator

Copyright © 2020 Crane Co. All Rights Reserved.