gas flow rate control Belgium

... provide a seal between the flare burner and the waste gas piping in order to prevent air from infiltrating the flare riser and thus prevent flash back. Purge gas is employed to prevent flash back by stopping air ingress to the flare gas header. Molecular seals and also Conical seals are both devices that reduce purge gas flow rates. Conical seals will require a slightly higher purge gas flow rate...