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