Hatch Cover

 Hatch Cover
Type: raised type, pad type and flush type
Material: steel, aluminum
Gasket: oil resistant, applicable for fresh water tank
Surface treatment: sand-blasted to Sa2.5 and shop primer for steel parts
Oxidized for alum. parts
Type: round, oval type
Material: steel or SUS 316L
Gasket: neoprene or fluorine
Surface treatment: polish for SUS 316L
sand-blasted to Sa2.5 and shop primer for steel parts
Option: observe hole
Type: normal, quick-action, flush type
Function: A60, A15, weather tight, watertight (20m max.)
Material: steel, aluminum alloy
Surface treatment: sand-blasted to Sa2.5 and shop primer for steel parts
galvanized for clasps and interlocking mechanism
Option: insulation and cover plate; ISPS device
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