MIL-D-18641E, MILITARY SPECIFICATION: DISTILLATION UNITS, WATER STEAM, OR FLASHED VAPOR OPERATED, OR HOT FRESH WATER HEATED, LOW PRESSURE NAVAL SHIPBOARD (30 AUG 1960)

MIL-D-18641E, MILITARY SPECIFICATION: DISTILLATION UNITS, WATER STEAM, OR FLASHED VAPOR OPERATED, OR HOT FRESH WATER HEATED, LOW PRESSURE NAVAL SHIPBOARD (30 AUG 1960)., This specification covers low pressure steam or hot fresh water (heat recovery) heated vacuum operated distillation units for making fresh water from sea water in, Naval shipboard installations.