New Environmentally Sealed, Field Adjustable Pressure Switch for Hostile Environments—introducing the DesignFlex PSF111 Pressure and Vacuum Switch by World Magnetics.

DesignFlex Switches (by World Magnetics Company), a leading designer, engineer and manufacturer of long life, dependable, ultra-sensitive pressure, vacuum and differential switches, is pleased to announce the release of the new DesignFlex PSF 111 Pressure and Vacuum Switch series. Designed with hostile applications in mind, the PSF111 switch series offers a waterproof snap action microswitch, new protective housing and 6” flying leads, making the pressure switches ideal for use in environments where dust and water ingress may be an issue.

Available in both pressure and vacuum configurations with switch ranges from -11.9 to 60psi, this series is suitable for most pneumatic and fluid systems. With a wide range of field adjustable set points, port configurations and mounting options, the DesignFlex PSF111 Series can be easily integrated into most pressure control systems. The PSF111 pressure switch series is UL Certified, RoHS and REACH Compliant, and is proudly made in the USA.

Some various applications and industries for the PSF111 switch include: 

  • Pressure & Vacuum Pump Control (Spa & Pool Industry)
  • Dispensing Systems (Chemical & Water Treatment Industry)
  • Vacuum Pressure Detection (Special Purpose Vehicles)
  • Fluid Detection (Water & Waste Water Industry)
  • Liquid Level Sensing (Food and Beverage Industry)

World Magnetics | DesignFlex switch products are custom engineered and crafted at our global manufacturing facility and world headquarters located in Traverse City, Michigan, USA. With over 50 years of experience in the Industrial, Medical, Aerospace and Military industries, World Magnetics Company is the ideal choice to assist with all your Pressure, Vacuum and Differential pressure switch needs. World Magnetics, where our passionate customer focus and complete end-to-end manufacturing capabilities provide many customer benefits, including simplified custom engineering; quick service; and high-quality, durable product solutions. World Magnetics brands include DesignFlex Switches, Henry G. Dietz Industrial Switches and Value Engineered Products (VEP) Aerospace Switches. For more information, please visit

Martin Paul 
mpaul(at)worldmagnetics(dot)com Email 
(231) 922-7612 Direct 
(231) 946-3800 Main 
(800) 643-3884 Toll-Free 

World Magnetics Company 
DesignFlex Switches 
810 Hastings Street 
Traverse City, Michigan 49686

Image: DesignFlex PSF111 Series Compact, Lightweight, Environmentally Sealed Housing Pressure/Vacuum Switch from DesignFlex Switches by World Magnetics. UL, RoHS, Made in USA.

DesignFlex PSF111 Series Pressure Vacuum Switch. Compact, Lightweight, Environmentally Sealed Housing Pressure/Vacuum Switch from DesignFlex Switches by World Magnetics. UL, RoHS, Made in USA.


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