Navigator Gas
35,000 CBM LEG/LPG/AMMONIA-CARRIERS
The world’s largest Ethylene/Ethane carrier of 37,000 m³ capacity.
‘Navigator Aurora’, ‘Navigator Eclipse’, ‘Navigator Aura’ & ‘Navigator Prominence’ for NAVIGATOR GAS, United Kingdom
General Information
| Project Data: | 2626 |
|---|---|
| Shipyard: | Jiangnan Shipyard Group Co., Ltd., China |
| Year of completion: | 2016-2017 |
| Classification: | ABS |
| TGE’s scope: | EPCS-contract, gas handling system including cargo tanks and LNG fuel gas system for ME-GI engine and LNG fuel tanks |
Vessel:
| 35,000 m³ semi ref. LEG carrier, type 2G | |
|---|---|
| Length o.a. | 179.89 m |
| Beam: | 29.6 m |
| Draught (LNG): | 11 m |
Characteristics of gas plant:
| Capacity: | 35,000 m³ |
|---|---|
| Number of cargo tanks: | 3 (bilobe type) |
| Material of cargo tanks: | 5% Ni Steel |
| Cargoes: | LEG/LPG/VCM/Ammonia |
| Design temperature / pressure: | -104°C / 4.16 bar g acc. to IMO at sea |
| Maximum cargo density: | 690 kg/m³ |
| Number of segregations: | 2 |
| Cargo manifolds: | 2 liquid lines, 1 x 14”, 1 x 10” ANSI 300 lbs flanges 2 vapour lines, 1 x 10”, 1 x 6” ANSI 150 lbs flanges |
| Loading- / Unloadingrate: | 4,000 m³/h / 3,300 m³/h |
| Deepwell pump | 6 x 550 m³/h at 120 m LC |
| Booster pump | 2 x 550 m³/h at 120 m LC |
| Number of cargo heater / vaporizer: | 2 (1xLPG, 1x Ethylene) |
| 1 purge condenser | Shell & tube for LPG & Ethylene |
| Reliquefaction system: | Cascade / direct cycle 2 x refrigerant compressors (refrigerant Propylene) 3 x cargo compressors |
| Cargo piping system: | AISI 316 / 316L |
| Inertgas plant: | PSA type Capacity: 1,500 Nm³ at 99.5 vol. % N2 |
| Deck Tank: | Capacity: 1 x 200 m³ |
| Design Pressure / Temperature | 18 bar g/-104°C |
| LNG fuel gas system: | 2x 1,000 m³ LNG fuel gas tanks, high pressure fuel gas system for MAN ME-GI dual fuel main engine and low pressure fuel gas system for 4-stroke dual fuel auxiliary engines |
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