Marine A60 Steel Fire Porthole
Introduction
Marine A60 steel fire porthole is a kind of round window, there are two kinds of open and fixed, the edge of the porthole is embedded with rubber seal, pressed with bolts to keep watertight while fireproof.
Specifications of Marine A60 Steel Fire Porthole
no.
nominalsize
cutout in steel wall
external size
glass thickness
1
200
263
350
8
2
250
313
400
8
3
300
363
450
10
4
350
413
500
12
5
400
463
550
12
6
450
513
600
15
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