JIS F2320 Type B Horizontal Opening Cargo Oil Tank Hatch Cover Marine Outfitting
JIS F2320 Type B Horizontal Opening Cargo Oil Tank Hatch Cover
Description:
Marine oil tight hatch is mainly used for oil cargo tanks for personal inspection and clearance when the entrance, with oil and gas tightness. The filter is made from anti-erosion material. Transmission parts are generally made of copper alloy, for avoiding sparks caused by cover open and close. Oil tight hatch cover types are circle and oval.The diameter of its nominal size is generally at 700mm ~ 1200mm, an observation hole whose diameter is not less than 150 mm is along with the hatch cover, theobservation hole is equipped with an oil-tight hatch cover closing device and fire copper mesh.
Main Technical Specification:
- Standard: JIS F 2320-2003
- Material: Mild Steel, Stainless Steel, Duplex Stainless Steel, Aluminium,
- Packing Materials: Neoprene, NBR ,Hi - NBR, Viton, Teflon
- Test: Hydraulic Pressure Test, Hose Test, Chalk Test
- Dimension: As Standard or Customized, As client’s drawing,
- Application Type: Water-tight, Weather-tight, Gas Tight, Oil-tight,
- Open Type: Hand Wheel Quick Operate
- Closing Type: Hinged
- Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available.
- Classification Certificates: CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA.
Main Technical Parameter
| Nominal size | D | D1 | H | R | D2 | A | A1 | A2 | B | H3 | h1 | ||||
| 760 | 760 | 731 | 180 | 760 | 710 | 491 | 436 | 425 | 70 | 144 | 90 | ||||
| 910 | 910 | 881 | 200 | 910 | 860 | 566 | 506 | 500 | 80 | 164 | 100 | ||||
| 1220 | 1 220 | 1 191 | 240 | 1220 | 1170 | 721 | 656 | 695 | 95 | 204 | 115 | ||||
| Nominal size | L | F1 | d1 | d2 | F | a1 | d3 | d20 | d19 | E | r1 | r2 | |||
| 760 | 320 | 13 6 | 110 | 60 | 130 | 85 | 72 | 61 | 62 | 40 | 75 | 55 | |||
| 910 | 330 | 146 | 120 | 70 | 140 | 90 | 82 | 71 | 72 | 50 | 80 | 60 | |||
| 1220 | 340 | 156 | 130 | 80 | 150 | 100 | 94 | 81 | 82 | 60 | 85 | 65 | |||
| Nominal size | r1 | r4 | r5 | d5 | d6 | d7 | d8 | d9 | dl8 | d10 | d11 | d12 | d13 | L1 | L2 |
| 760 | 125 | 92 | 57 | 66 | 40 | 106 | 150 | 186 | 190 | 64 | 39 | Tr38×7 | 30 | 278 | 197 |
| 910 | 130 | 97 | 62 | 70 | 44 | 110 | 154 | 190 | 194 | 68 | 43 | Tr42×7 | 34 | 288 | 207 |
| 1220 | 135 | 102 | 67 | 76 | 50 | 116 | 160 | 196 | 300 | 74 | 49 | Tr48×8 | 39 | 303 | 222 |
| Nominal size | d14 | d15 | d16 | d17 | Y | h2 | b1 | b3 | H1 | h3 | h4 | Reference Weight |
|||
| 760 | 60 | M58X2 | 76 | 105 | 60 | 110 | 84 | 64 | 188 | 100 | 115 | 314 | |||
| 910 | 64 | M62X2 | 80 | 109 | 65 | 120 | 85 | 58 | 188 | 100 | 115 | 383 | |||
| 1220 | 72 | M70X2 | 86 | 115 | 72 | 135 | 94 | 50 | 208 | 120 | 135 | 535 |
Drawing of JIS F2320 Type B Horizontal Opening Cargo Oil Tank Hatch Cover Marine Outfitting
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