EFV MANUAL RESET ADJUSTABLE EXCESS FLOW VALVE
EFV MANUAL RESET ADJUSTABLE EXCESS FLOW VALVE

Category

Excess Flow Valves

Manufacturer

ChemTec CTE

Info Quote
EFV MANUAL RESET ADJUSTABLE EXCESS FLOW VALVE

EFV MANUAL RESET ADJUSTABLE EXCESS FLOW VALVE

Category

Excess Flow Valves

Manufacturer

ChemTec CTE

Flow enters the unit and makes a right angle to the outlet port across the nose of a magnetic piston. The piston is held in place by attraction to an adjusting screw magnet. A pressure differential is created by flow across the piston. When the differential is great enough, the piston slides to a seat at the outlet port. The flow rate at which the piston actuates can be changed externally by turning the adjusting screw, thereby changing the piston’s relationship with the flow stream.

The piston makes a bubble tight seal when it comes in contact with the seat. To reopen the unit, turn the balancing valve handle on the side. This ports the upstream pipeline to the downstream pipeline. When the pressure is equalized on each side of the piston, it will reset. The unit is returned to normal operation by closing the balancing valve.


Features:

  • Manual Reset
  • Field Adjustable
  • Positive Shut-off
  • Materials: 316SS
  • Detects Excess Flows
  • Detects Increases in Media Viscosity
  • Function: Shuts Off Flow
  • Output: Switch Contact (Optional)

Applications:

  • Fitting Failure
  • Regulator failure
  • Plant lines
  • Gas Analysers
  • Gas Distribution Systems
  • Toxic Gases and Liquids





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