SHIP STEEL SMALL HATCH COVER
Complies with ISO 5778—1994. Used for various ships.
1. TYPE OF HATCH COVER
| TYPE | DESCRIPTION | STRUCTURE CHARACTERISTIC | NOMINAL SIZE L/B | HOLD LOCATION |
|---|---|---|---|---|
| A | Single-layer weathertight hatch cover | Wing nut clip | 450 x 630, 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | A (equal sides), AL (long side mount), AS (short side mount) |
| B | Double-layer weathertight hatch cover | Wing nut clip | 450 x 630, 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | B (equal sides), BL (long side mount), BS (short side mount) |
| C | Quick-acting weathertight hatch cover | Center rotary handle clip | 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | (not specified) |
| D | Single-layer manhole hatch cover | Adjustable bolt handle clip | 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | D (equal sides), DL (long side mount), DS (short side mount) |
| E | Single-layer weathertight hatch cover | Wing nut clip | 450 x 630, 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | E (equal sides), EL (long side mount), ES (short side mount) |
| F | Double-layer weathertight hatch cover | Wing nut clip | 450 x 630, 530 x 530, 630 x 630, 830 x 830, 1030 x 1030 | F (equal sides), FL (long side mount), FS (short side mount) |
2. TYPE A HATCH COVER (CB/T3728-1995, 263.YHS-001)
Nominal sizes shown: A 1330 x 1330, A 1030 x 1030
| TYPE | NOMINAL SIZE L x B | ACCESS WAY SIZE L1 x B1 x R | SIZE OF COVER L2 x B2 | THICK OF COVER | COAMING PLATE | BUTTERFLY CLIP | WEIGHT (kg) (NOTE 1) | ||
|---|---|---|---|---|---|---|---|---|---|
| THICK H | HEIGHT H1 | DIA | QTY | ||||||
| A | 450 x 630 | 420 x 600 x 100 | 508 x 688 | 4 | 4,6 | 10 | M16 | 4,6 | 24.4 |
| 512 x 692 | 6 | 6,8 | 31.1 | ||||||
| 516 x 696 | 8 | 8,11 | 37.7 | ||||||
| A | 530 x 530 | 500 x 500 x 100 | 588 x 588 | 4 | 4,6 | 10 | M16 | 4,6 | 24.2 |
| 592 x 592 | 6 | 6,8 | 30.8 | ||||||
| 596 x 596 | 8 | 8,11 | 37.4 | ||||||
| A | 630 x 630 | 600 x 600 x 100 | 688 x 688 | 4 | 4,6 | 10 | M16 | 4,6 | 31.0 |
| 692 x 692 | 6 | 6,8 | 39.8 | ||||||
| 696 x 696 | 8 (NOTE 3) | 8,11 | 48.5 | ||||||
| AL | 630 x 1030 | 600 x 1000 x 100 | 688 x 1088 | 4 | 4,6 | 10 | M16 | 4,6 | 37.4 |
| 692 x 1092 | 6 | 6,8 | 48.5 | ||||||
| 696 x 1096 | 8 (NOTE 3) | 8,11 | 59.7 | ||||||
| AS | 830 x 830 | 800 x 800 x 100 | 888 x 888 | 4 | 4,6 | 10 | M16 | 4,6 | 47.1 |
| 892 x 892 | 6 | 6,8 | 61.2 | ||||||
| 896 x 896 | 8 (NOTE 3) | 8,11 | 75.3 | ||||||
| A | 1030 x 1030 | 1000 x 1000 x 100 | 1088 x 1088 | 4 | 4,6 | 10 | M16 | 4,6 | 65.2 |
| 1092 x 1092 | 6 | 6,8 | 85.3 | ||||||
| 1096 x 1096 | 8 (NOTE 3) | 8,11 | 115.3 (NOTE 4) | ||||||
| AL | 1030 x 1030 | 1000 x 1000 x 100 | 1022 x 1022 | 6 | 6,8 | 10 | M16 | 4,6 | 148.4 (NOTE 5) |
| 1066 x 1066 | 8 (NOTE 3) | 8,11 | 190.8 (NOTE 6) | ||||||
| A | 1330 x 1330 | 1300 x 1300 x 100 | 1396 x 1396 | 8 (NOTE 3) | 8,11 | 10 | M16 | 4,6 | 191.3 (NOTE 7) |
NOTES:
-
(1) Weight in table does NOT include coaming plate weight.
-
(2) Coaming plate thickness and height are decided by customer (not specified in table).
-
(3) Cover thickness 8mm.
-
(4)(5)(6)(7) Refer to original notes for specific weight conditions (not detailed in OCR text).
5. TYPE D HATCH COVER
| TYPE | NOMINAL SIZE | ACCESS WAY SIZE | SIZE OF COVER | SIZE OF B.H. OPENING | THICK OF COVER | WEIGHT (kg) (coaming not included) |
|---|---|---|---|---|---|---|
| D | 530 x 530 | 530 x 530 x 115 | 580 x 580 | 622 x 622 x 161 | 4 | 46.7 |
| 562 x 562 | 622 x 622 x 161 | 6 | 53.3 | |||
| 590 x 590 | 628 x 628 x 163 | 8 | 63.6 | |||
| DL | 630 x 630 | 630 x 630 x 115 | 608 x 608 | 722 x 722 x 161 | 4 | 57.4 |
| 662 x 662 | 722 x 722 x 161 | 6 | 63.6 | |||
| 690 x 690 | 728 x 728 x 163 | 8 | 46.7 (likely typo, see below) | |||
| D | 630 x 630 | 630 x 630 x 115 | 688 x 688 | 722 x 722 x 161 | 4 | 53.3 |
| 692 x 692 | 722 x 722 x 161 | 6 | 63.6 | |||
| 708 x 708 | 728 x 728 x 163 | 8 | 57.4 | |||
| D | 830 x 830 | 830 x 830 x 115 | 690 x 690 | 728 x 728 x 163 | 8 | 63.6 |
| DL | 830 x 830 | 830 x 830 x 115 | 802 x 802 | 926 x 926 x 163 | 6 | 113.4 |
| 129.0 |
Example marking:
Hatch cover DL 630 x 630 x 8 x 8 CB/T3728-1995
(Nominal size 630×630, cover thickness 8mm, coaming thickness 8mm, D-type, long side mount)
6. TYPE E, F HATCH COVER
| TYPE | NOMINAL SIZE | ACCESS WAY SIZE | SIZE OF COVER | SIZE OF B.H. OPENING | THICK OF COVER | WEIGHT (kg) (coaming not included) |
|---|---|---|---|---|---|---|
| E | 530 x 530 | 530 x 530 x 115 | 580 x 580 | 622 x 622 x 161 | 4 | 46.7 |
| 562 x 562 | 622 x 622 x 161 | 6 | 53.3 | |||
| 590 x 590 | 628 x 628 x 163 | 8 | 63.6 | |||
| EL | 630 x 630 | 630 x 630 x 115 | 608 x 608 | 722 x 722 x 161 | 4 | 57.4 |
| 662 x 662 | 722 x 722 x 161 | 6 | 63.6 | |||
| 690 x 690 | 728 x 728 x 163 | 8 | 46.7 (likely typo) | |||
| E | 630 x 630 | 630 x 630 x 115 | 688 x 688 | 722 x 722 x 161 | 4 | 53.3 |
| 692 x 692 | 722 x 722 x 161 | 6 | 63.6 | |||
| 708 x 708 | 728 x 728 x 163 | 8 | 57.4 | |||
| F | 530 x 530 | 530 x 530 x 115 | 580 x 580 | 622 x 622 x 161 | 4 | 46.7 |
| 562 x 562 | 622 x 622 x 161 | 6 | 53.3 | |||
| 590 x 590 | 628 x 628 x 163 | 8 | 63.6 | |||
| FL | 630 x 630 | 630 x 630 x 115 | 608 x 608 | 722 x 722 x 161 | 4 | 57.4 |
| 662 x 662 | 722 x 722 x 161 | 6 | 63.6 | |||
| 690 x 690 | 728 x 728 x 163 | 8 | 46.7 (likely typo) | |||
| F | 630 x 630 | 630 x 630 x 115 | 688 x 688 | 722 x 722 x 161 | 4 | 53.3 |
| 692 x 692 | 722 x 722 x 161 | 6 | 63.6 | |||
| 708 x 708 | 728 x 728 x 163 | 8 | 57.4 | |||
| F | 830 x 830 | 830 x 830 x 115 | 690 x 690 | 728 x 728 x 163 | 8 | 63.6 |
| FL | 830 x 830 | 830 x 830 x 115 | 802 x 802 | 926 x 926 x 163 | 6 | 113.4 |
| 129.0 |
NOTES for Type E & F:
(1) Weight in table does NOT include coaming weight.
(2) Coaming thickness and height are decided by customer.
Example marking:
Hatch cover F 530 x 630 x 6 x 8 x 200 CB/T3728-1995
(Nominal size 530×630, cover thickness 6mm, coaming thickness 8mm, coaming height 200mm, F-type)
Note: The description may be different with the product, please contact us for quotation.
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