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M-F 7a-5p EST 800-222-2177

EFV Series Adjustable Excess Flow Valve — For Preventing Uncontrolled Flows of Liquids and Gases.


  • Controls excessive flows
  • Controlled Bleed, Resets Automatically
  • Field Adjustable
  • Positive Shut-off
  • Attitude Variable Mounting
  • Function: Restricts or Shuts Off Flow
  • Output: switch contact optional
  • Materials: 316ss or Brass Body


  • Fitting Failure
  • Regulator failure
  • Hydraulic control
  • Gas Analyzers
  • Toxic Gas and Liquid Releases