| 摘要 |
A flame arrester (1) is constructed for a flammable gas (G) to prevent a reverse flow from a downstream side (C2) to an upstream side (C1) of the flame arrester. The flame arrester has a drum body (E), and the drum body has a plurality of ring plates (2). The ring plates are layered one another with a plurality of spacers (3) therebetween to define slits (S) between the ring plates. The drum body has a first end (b) open to the upstream side and a second end (a) closed to the downstream side, while the slits are open to the downstream side. <IMAGE>
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