Marine Quick Acting Watertight Pressureproof Steel Hatch Cover Square Type
Quick Acting Watertight Steel hatch cover is with the spring-balance device and the central clip device, so it is watertight, and can be opened or closed quickly and easily.There are two types, A type is round, B type is square. It is used as the quick entry or exit which has the watertight demand on various ships
Te use pressure is 0.2Mpa.
Main Material: Steel
Watertight test requirement: The cover must be closed, and maintain 15 minutes after 0.3Mpa water is put into the test tank. The Coaming H can be changed, here in the form is the minimum.
Clear Size Cut Out Size Coaming Inner Diameter Cover Outside Diameter Cover Thickness Coaming Center Distance Weight
AXA A1XA1 A2XA2 A3XA3 t t1 H B kgs
600X600 640X640 670X670 720X720 12 12 200 510 310
700X700 740X740 770X770 820X820 560 340
800X800 840X840 870X870 920X920 610