Dongguan VILLO Technology Inc.
Cylinder Shaped Pressure Relief Quench

Cylinder Shaped Pressure Relief Quench

explosion isolation
explosion isolation flap valve

Flameless Quench Device, or Flameless Venting Device. Product execution standards GB/T15605 Dust explosion pressure venting guide. EN16009 Flameless explosion venting devices.

Parameters of Cylinder Shaped Pressure Relief Quench

FunctionParameter
ModelFEVDNL, FEVDNLS Model
Static activation pressureRelevant to the selection of the venting element.

Default valve is 0.01MPa±25%.

Maximum reduced explosion overpressurePred,max≤0.0451MPa
Venting efficiency91%
Flameless performanceNo sparks or flame
ReusableNo reusable
Optional accessoriesBack pressure support, explosion venting detector.
ConsumablesExplosion venting membrane (venting or rapture panel).


Detail of Cylinder Shaped Pressure Relief Quench

  • explosion isolation valve
  • flameless venting

Applications of Cylinder Shaped Pressure Relief Quench

  • Oxygen content is not higher than that in air (21%);


  • Working pressure is not higher than one atmospheric pressure (0.1 MPa).


  • It is usually used together with explosion venting device.


  • The flameless venting device is used to compose the anti-explosive system.

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