Marine Heavy Type Steel Porthole - Marine Steel Window - Hi-sea

Marine Heavy Type Steel Porthole


Marine Heavy Type Steel Porthole

Introduction

Marine heavy type steel port is kind of a porthole that can withstand water pressure over 100Pa. Its suitable for the places below the dry deck above the full water line and with watertight&gastight requirements.

Specifications of Marine Heavy Type Steel Porthole

clear size D D1 D2 D3 D4 D5 h t bolt
heavy whorl qty
φ200 φ245 φ204 φ250 φ350 φ310 155 10 M16(12) 8
φ250 φ295 φ254 φ305 φ400 φ364 182 12 M16 8
φ300 φ350 φ304 φ360 φ450 φ414 207 15 M16 12
φ350 φ400 φ354 φ410 φ500 φ464 232 15 M18 12
φ400 φ450 φ404 φ460 φ550 φ514 257 19 M18 12
φ450 φ500 φ454 φ510 φ600 φ564 282 - M20 12

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