Pre-mixing gas burner, using a gas/air mixture, has two concentric cylinders with flow openings and a permeable heat-resistant filling material between them for a diffused mixture flow
摘要
<p>The pre-mixing gas burner, with at least two concentric cylinders with gas/air flow openings (3), has a heat-resistant and permeable filling material (4) between the two cylinders (1,2) giving the gas/air mixture a diffused flow.</p>
