APPENDIX 2 HOW TO MAKE THE RETRACTION TANK FOR WOODEN VESSEL
AP-5
Welding the components
Before assembling the retraction tank, weld the components to create the flange assembly 1 and
2.
•
Flange assembly 1
Weld the fixing pipe and four angle-1 to the flange-1. After welding, mask the thread groove of
the fixing pipe, then apply anticorrosive coating to the flange assembly 1.
•
Flange assembly 2
Weld four angle-2 to the flange-2.
45°
4
Welding area (4 locations)
Welding bead must be
within the welding area.
8 × Ø23
45°
45°
22.5°
22.5°
Ø297±0.3
Ø297±0.3
A
246
Angle-1
246
246
(232)
(232)
(194)
(80)
62
(42)
C1
C1
B
C1
Angle-1
M215 × 4
C3
M
60°
6
8
(Ø230)
Ø343
A-A
100
20
Masking area
Ra 3.2
Flange-1
0.2 B
A
Flange-1
(72)
47
(35)
(12)
Ø343
Ø244
(194)
A-A
246
45°
45°
45°
22.5°
22.5°
A
A
8×Ø14
Ø297±0.3
Ø297±0.3
A
A
246
4
4
Welding area (4 locations)
Welding bead must be
within the welding area.
Angle-2
Flange-2
Summary of Contents for CH-500
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