Type A marine small hatch covers for barge

TYPE

NAME

Architectural feature

A

Single opening and closing weathertight hatch cover

Airfoil nut clip buckle

B

Double opening and closing weathertight hatch cover

Wedge handle clip buckle

C

Quick opening and closing weathertight hatch cover

Rotating central handle clip buckle

D

Sunken weathertight hatch cover

Can fall wedge handle clip buckle

E

Single opening and closing hatch cover

Airfoil nut clip buckle

F

Double opening and closing hatch cover

Wedge handle clip buckle

Name of spare parts

material

Coaming, cover plate

Marine structure steel

Carbon structure steel

Lock catch,handle,hinge plate,stopper, Eye pads

Carbon structure steel

Handle , axle,axle sleeve

high quality Carbon structure steel

Bolt.Plug, hinge pin

stainless steel

high quality Carbon structure steel

Nut,bush,pulley

lead brass

Normal brass

Double twist spring

Spring catch brass

Sealing partss

Ageing resistance rubber