"> Alfa Laval JWP-36-C100
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Alfa Laval

JWP-36-C100

Alfa Laval JWP-36-C100 — fresh water generator for large ships and offshore installations, high capacity up to 100 m³/24h.

Components & Design

Component data being added…

Technical Data

Betriebsprinzip Vakuum-Destillation (Verdampfung/Kondensation)
Kapazitätsbereich up to 100 m³/24h (depending on heating medium and cooling water temperature)
Heizmedium-Temperatur 55-95°C
Wärmetauscher Titanium plate heat exchanger (evaporator and condenser)
Anschlussgrößen 100mm Jacketwasser Ein-/Auslass

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Common failures & inspection points

Salt deposits (scaling) on heat exchanger surfaces from seawater evaporation with solubility limit exceeded for salts

Visual inspection of titanium plate surfaces for salt crusting; measure heat transfer efficiency (temperature profiles before/after); perform pressure drop measurements

Corrosion of titanium plates by aggressive ions (chlorides, sulfates) and seawater; pitting and stress corrosion cracking

Non-destructive testing (ultrasonic measurements, infrared thermography); check surface roughness and discoloration; perform tightness test of plate sets

Seal and gasket wear from cyclic thermal loading (temperature change 40-95°C) and pressure change in vacuum operation (85-95% vacuum)

Inspect gasket for wear, embrittlement and loss of elasticity; perform leakage tests with compressed air or helium; check replacement if wear evident

Vacuum loss and evaporation efficiency drop from leakage, wear of two-stage air/saltwater discharge ejectors or condenser failure

Vacuum gauge measurement (should maintain 85-95%); condensate discharge check; ejector function test (pressure and flow); evaporation temperature check (should be 40-60°C)

Seawater contamination of fresh water due to faulty condensation, demister fouling or leaks in the condenser circuit; salinometer malfunction

Check and calibrate salinometer function; perform fresh water salinity measurement (should be <3 mg/l); visually inspect demister condition; test condenser discharge

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #148562 · ✓ still in production