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CB/T 3728 Type D Flush Weathertight Small Hatch Cover With Dogs
Description:
CB/T 3728 type D weathertight small hatch cover with dogs can be made of mild stee, stainless steel or aluminium material. It has 4, 6, 8 dogs design with different opening size. It is flush type and welded on the deck. This cover can be opened from the both sides of the space it serves.
Main Technical Specification:
Main Technical Parameters:
| Nominal size L×B | Clear opening size L1×B1×R | Cover size L2×B2 | Cut-out size L3×B3×R1 | Cover thickness t | Hatch coaming thickness t0 | Dog quantity | Weight kg |
| 530×530 | 530×530×115 | 588×588 | 622×622×161 | 4 | 6 | 4 | 46.7 |
| 592×592 | 622×622×161 | 6 | 6 | 53.3 | |||
| 596×596 | 622×622×163 | 8 | 8 | 63.6 | |||
| 630×630 | 630×630×115
| 688×688 | 722×722×161 | 4 | 6 | 57.4 | |
| 692×692 | 722×722×161 | 6 | 6 | 66.1 | |||
| 696×696 | 726×726×163 | 8 | 8 | 80.5 | |||
| 630×830 | 630×830×115 | 688×888 | 722×922×161 | 4 | 6 | 6 | 73.9 |
| 692×892 | 726×926×163 | 6 | 8 | 91.5 | |||
| 696×896 | 726×926×163 | 8 | 8 | 106.3 | |||
| 830×830 | 830×830×115 | 892×892 | 926×926×163 | 6 | 8 | 8 | 114.9 |
| 896×896 | 926×926×163 | 8 | 8 | 129 |
Drawing of CB/T 3728 Type D Flush Weathertight Small Hatch Cover With Dogs