Skip to content
PMA/PMF Series Diaphragm Mechanical Low Pressure Switch

Product Description

The PMA/PMF mechanical pressure switch is a compact and robust device that delivers high repeatability over long-term continuous-duty operation. This product offers working ranges from 2 to 150 psig.  It can be delivered as field adjustable, or factory pre-set and with the options of normally open or normally closed contacts.  

PMA/PMF Series Diaphragm Mechanical Low Pressure Switch

Price dependent upon specification — inquire below

View data sheet

Product Highlights

  • Adjustable or Factory-Set Pressure Points – Choose between PMA (field adjustable) or PMF (factory preset) models to suit application needs
  • Wide Pressure Range – Supports actuation points from 2 to 150 PSI (0.14 to 10 Bar) with excellent repeatability
  • High Mechanical Durability – Rated for 1,000,000+ cycles, ensuring long-lasting operation in industrial settings
  • Multiple Wetted Material Options – Available in Kapton®, EPDM, Viton®, or Buna-N diaphragms, with housing options in brass, nickel-plated steel, or stainless steel for compatibility with various media
  • Rugged Environmental Protection – IP69-rated protection for flying lead and Deutsch Integral connections, ensuring superior resistance to water and dust
  • Versatile Electrical Configurations – Supports SPST normally open (NO) or normally closed (NC) circuits, plus multiple termination styles including spade, terminal screws, and flying leads
  • Compact & Lightweight Design – Weighs only 0.15 lbs (0.07 kg), making it easy to install even in space-constrained applications
  • Reliable Overpressure Protection – Withstands up to 500 PSI (34.5 Bar), preventing failures due to pressure surges
  • Broad Media Temperature Range – Operates in extreme temperatures from -40°F to +302°F (-40°C to +150°C) depending on diaphragm material
  • Creep Action Switch Type – Provides precise and reliable switching performance, minimizing unintended actuation

Inquire about this product

Enter your information below to get in touch with our specialists, who will assist you in choosing the right configuration for your unique application.