Marine A60 Fireproof Porthole

 Marine Porthole

  • Marine A60 Fireproof Porthole
Marine A60 Fireproof Porthole

Marine A60 Fireproof Porthole

  • Product description: Marine A60 Fireproof Porthole on the hull of ship, can ensure the hull tightness, round window with anti-storm performance.
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Marine A60 Fireproof Porthole

Porthole is installed in the shipboard plates, superstructure and deck outdoor wall, on the hull of ship, can ensure the hull tightness, round window with anti-storm performance. Ship portholes reason are designed into round, according to the principle of mechanics, circular than other shapes more under pressure, shear stress.

Feature: The average temperature of the back side of fire is not more than 140C, the back of any point of the temperature rise does not exceed 180C.A60 means can stand the fire at least 60 minutes.

A60 class fire resistant separation to prevent smoke and flame through, there is a high temperature density requirements.


D nominal size D1 opening size D2 external  glass thickness weight kg
size type A typeB
200 253 330 10 8 22.1
250 303 380 12 8 29.1
300 363 430 15 10 35.2
350 413 480 15 12 45.8
400 463 530 19 12 55.2
450 513 580 19 15 72.2