Marine Light Type Steel Porthole

Marine Light Type Steel Porthole

Introduction

Marine light type steel rectangular window is a kind of window which pressure is below 20Pa and it’s clear size can be 200~400mm. It’s light in weight and can only achieve weathertight.

Specifications of Marine Light Type Steel Rectangular Window

clear size D	D1	D2	D3	D4	h	t	gmax	bolt		Cut out in steel wall
								whorl	qty
φ200	φ245	φ250	φ350	φ310	155	8	50	M12	8	253
φ250	φ295	φ305	φ400	φ364	182	8	47.5	M16	8	308
φ300	φ350	φ360	φ450	φ414	207	10	45	M16	12	363
φ350	φ400	φ410	φ500	φ464	232	12	45	M18	12	413
φ400	φ450	φ460	φ550	φ514	257	12	45	M18	12	463
φ450	φ500	φ510	φ600	φ564	282	15	45	M20	12	513