Watermaker
critical
4 / 4 Modelle (Inspector)
4 Hersteller · 4 Modelle
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Alfa Laval
1 ✓ 1 verifiziert⚙️
AQUA Fresh Water Generator
✓ verifiziert
Inspector
5-120 t/day freshwater
· Seawater → Freshwater
type: Plate-Type Vacuum Evaporator
size_range: ['AQUA-5', 'AQUA-10', 'AQUA-20', 'AQUA-60', 'AQUA-120']
variant_count_approx: 5
period_start_year: 1985
period_end_year: None
drive_type: Passive (engine waste heat)
construction: Titanium plate evaporator/condenser, vacuum shell
type_specs: {'Kapazität JWP-16': '0.5-10 m³/24h je nach Heiz- und Kühlwassertemperaturen', 'Kapazität JWP-26': '4-35 m³/24h, optional bis 100 m³/24h', 'Plattentyp': 'Titanium Grade 1, 0.5 mm Plattendicke, korrosionsbeständig', 'Betriebsvakuum': '85-95% (ca. 4-10 mmHgA absolute)', 'Ejektor-Eingangsdruck': 'Minimum 3 bar Meerwasserdruck erforderlich', 'Ejektor-Ausgangsdruck': 'Maximum 0.8 bar', 'Gewichtsbereich': '600-955 kg (JWP-26 Varianten)', 'Jacket-Wassertemperatur': '55-95°C flexibel einstellbar'}
product_lines: ['JWP-16 (0.5-10 m³/24h)', 'JWP-26 (4-35 m³/24h)', 'DOLPHIN (single/double effect)', 'DPU-36 (10-55 m³/24h)']
source: verified_megafleet_2026-06
needs_verification: False
datasheet_url: https://www.alfalaval.com/globalassets/documents/products/process-solutions/fresh-water-solutions/single-stage-fresh-water-generator/desalt-jwp-26-c-series.pdf
Common Failures:
- • _hinweis
- • items
Service: Chemical descaling every 500-1,000 hrs. Salinity continuous monitoring.
Spares: Alfa Laval global. Lead time: 2-4 weeks standard, 6-10 weeks for titanium plates.
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Sasakura Engineering (Japan)
1 ✓ 1 verifiziert⚙️
VS Series Vacuum Evaporator
✓ verifiziert
Inspector
5-100 t/day freshwater
· Seawater → Freshwater
type: Vacuum Evaporator (Waste Heat FWG)
size_range: ['VS-15', 'VS-25', 'VS-50', 'VS-75', 'VS-100']
variant_count_approx: 5
period_start_year: 1960
period_end_year: None
drive_type: Passive (engine jacket water waste heat)
construction: Shell & tube or plate evaporator, vacuum shell, ejector
Common Failures:
- • Evaporator scale from tropical seawater (>32°C)
- • Ejector nozzle erosion from seawater
- • Demister pad fouling causing high salinity
- • Vacuum loss from gasket deterioration
- • Product water solenoid valve failure
Service: Chemical descaling every 500-1,000 hrs. Salinity monitoring continuous (<10 ppm). Ejector inspection annually. Demister pad cleaning/replacement at drydock.
Spares: Sasakura (Osaka). Lead time: 3-5 weeks Asia, 6-8 weeks elsewhere.
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Sea Recovery / Parker Hannifin (USA)
1 ✓ 1 verifiziert⚙️
Reverse Osmosis Watermaker
✓ verifiziert
PREMIUM
0.5-50 t/day freshwater
· Seawater → Freshwater (RO Membrane)
Voltage: 380-440V / 230V
type: Reverse Osmosis Watermaker
size_range: ['Aqua Whisper', 'Aqua Matic', 'HRO Series']
power_range_kw: [1, 30]
variant_count_approx: 3
period_start_year: 1985
period_end_year: None
drive_type: Electric (high-pressure pump)
construction: High-pressure pump, RO membrane elements, pre-filters, control system
Common Failures:
- • RO membrane fouling from biological growth/scale
- • High-pressure pump seal failure
- • Pre-filter element clogging
- • Membrane degradation from chlorine exposure
- • Pressure vessel O-ring failure
Service: Pre-filter replacement monthly. Membrane cleaning (CIP) quarterly. Membrane replacement every 3-5 years. Product water quality test daily.
Spares: Sea Recovery/Parker (Carson, CA, USA). Lead time: 1-3 weeks. RO membranes: 2-4 weeks. Keep onboard: pre-filters, O-ring kit.
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Wärtsilä
1 ✓ 1 verifiziert⚙️
RO Desalination Plant
✓ verifiziert
Inspector
5-200 t/day freshwater
· Seawater → Freshwater (RO)
Voltage: 380-440V
type: Reverse Osmosis Desalination Plant (Marine)
size_range: ['DTRO-5', 'DTRO-25', 'DTRO-50', 'DTRO-100', 'DTRO-200']
power_range_kw: [3, 100]
variant_count_approx: 5
period_start_year: 1995
period_end_year: None
drive_type: Electric (high-pressure pump)
construction: Disc-tube RO modules, high-pressure pump, pre-treatment
Common Failures:
- • RO disc-tube module fouling
- • High-pressure pump failure
- • Pre-treatment system issues
- • Membrane scaling from high TDS seawater
Service: CIP cleaning quarterly. Module replacement every 3-5 years. Pre-filter monthly.
Spares: Rochem/Wärtsilä. Lead time: 3-6 weeks.