Pressure Switches

Today’s SOR pressure switches are the descendants of the original Static “O” Ring mechanical switches that set industry standards more than 50 years ago. Our switches are field-proven, low cost process instruments for use as either primary or redundant pressure or flow monitoring applications in a wide variety of industries. We have listened to our customers and have expanded our pressure instrumentation product offerings to meet the changing needs of the process industries. SOR pressure switches are designed and offered with a number of agency approvals, housing enclosures and switching configurations to meet the demands of the global markets. The large selection of product components provides users with the optimal instrument specifications to handle their toughest of applications.

Our pressure switches are designed for high performance

  • Engineered with tight tolerances
  • High resolution of set points
  • High repeatability
  • Narrow dead band
  • Negligible temperature effect

Engineered to your specifications

  • All pressure switches may be customized to meet your specific requirements
  • Wide selection of wetted parts – cost of purchase is less expensive by eliminating secondary components such as a seal
  • A variety of process connections and sizes 

Built tough and field proven

  • Rugged, high-cycle rate of tolerance, long life, vibration resistant
  • Excellent corrosion resistance – performs in harsh environments
  • Simple installation

Safety Certified to IEC 61508 (SIL)

  • Most pressure switch models meet requirements for non-redundant use in SIL1 and SIL2  Safety Instrumented Systems

Worldwide service and fast delivery

  • Factory Sales Engineers & Representatives provide prompt service
  • Emergency shipments sent same day air

Long lasting and cost effective

  • Saves at the purchase – no extra parts to order
  • No charge for factory calibration
  • Modular design
  • No periodic service required
  • 3 year warranty – one of the longest in the industry