Flow Switches

SOR flow switches have proven to be workhorses in the process instrumentation industry. They are ruggedly built to exacting standards and provide long-lasting service. 

This vertically or top mounted, vane-operated OEM flow switch is an economical choice for plant and OEM applications where open or closed contacts are required to signal flow or no flow conditions. The vane moves a magnet that actuates/deactuates a hermetically sealed reed switch. OEM
Thermal Differential Thermal Differential
The SOR 900 Series vane-actuated, flow/no-flow switches are designed for indicating liquid flow in pipelines. These switches are magnetically actuated and feature rugged internal construction and all stainless steel trim. Minimum line pressure loss is provided by vane position at actuation. Vane Operated

Designed for OEM application

  • Depending on your flow switch needs, SOR can provide models for a variety of applications such as flow/no flow, adjustable set points and even liquid level measurements

Consistently reliable

  • Stainless steel and hermetically sealed models available
  • Adjustable set points and flow/no flow units offered
  • No additional seal required

Long lasting construction

  • Available NACE construction on mechanical units
  • CSA Certified (US and Canada) ANSI/ISA or ATEX, GOST approved and optional IEC approved models available
  • Stainless steel nameplate permanently attached to switch

Works in a variety of applications

  • Low-flow alarm/monitoring
  • Waste gas burn low monitoring
  • Vapor recovery hose hook-up verification

Worldwide service & fast delivery

  • Factory Sales Engineers and Representatives provide prompt service
  • Standard shipping in 7 to 10 days, including custom-engineered orders
  • Emergency shipments available

World class customer service

  • An SOR Sales Engineer can advise you on which flow switch model will best meet your application requirements.