PN MN234 C | User Manual 3 - ENGLiberatorSpecifications• Mode of Operation: Continuous Flow• Type of Protection Against Electrical Shock: Internally Powered Equipment• Degree of Protection Against Electrical Shock: Type BF Applied Part• IP21 Classification According to the Degree of Protection Against Ingress of Water: Internal protec-tion against ingress of solid foreign objects greater than or equal to 12.5 mm in diameter and ingressof vertically dripping water.• Equipment not suitable for use in the presence of flammable mixturesProduct SpecificationsLiberator 20 Liberator 30 Liberator 37 Liberator 45 Liberator 60LOX Capacity 21.0 L50.7 lb(23 kg)31.0 L74.8 lb(33,9 kg)37.3 L91.0 lb(41,3 kg)45.7 L110.3 lb(50,04 kg)60.2 L145.3 lb(65,9 kg)GaseousEquivalentCapacity17,337 L 25,580 L 31,121 L 37,724 L 49,679 LWeight, Empty 39 lb(17,96 kg)47.5 lb(21,54 kg)50 lb(22,68 kg)55 lb(24,95 kg)75.4 lb(34,19 kg)Weight, Filled 89.7 lb(40,69 kg)122.77 lb(55,68 kg)141.01 lb(63.98 kg)165.32 lb(74.99 kg)220.68 lb(100,1 kg)Height 24.5 in.(622 mm)29.5 in.(750 mm)32.75 in.(832 mm)37 in. (940 mm) 39 in. (990 mm)Diameter 14 in. (356 mm) 14 in. (356 mm) 14 in. (356 mm) 14 in. (356 mm) 16 in. (406 mm)Typical use timeat 2 LPM6 days 12 hrs 9 days 9 hrs 11 days 14 hrs 14 days 2 hrs 18 days 2 hrsOperatingPressure20 psi (137 kPa) 20 psi (137 kPa) 20 psi (137 kPa) 20 psi (137 kPa) 20 psi (137 kPa)NormalEvaporation Rate1.6 lb/ day(0,73 kg/day)1.6 lb/ day(0,73 kg/day)1.6 lb/ day(0,73 kg/day)1.6 lb/ day(0,73 kg/day)1.65 lb/ day(0,75 kg/day)Standard FlowControl RangeOff, .25, .5, .75,1, 1.5, 2, 2.5, 3,4, 5, 6, 8, 10, 12,15 LPMOff, .25, .5, .75,1, 1.5, 2, 2.5, 3,4, 5, 6, 8, 10, 12,15 LPMOff, .25, .5, .75,1, 1.5, 2, 2.5, 3,4, 5, 6, 8, 10, 12,15 LPMOff, .25, .5, .75,1, 1.5, 2, 2.5, 3,4, 5, 6, 8, 10, 12,15 LPMOff, .25, .5, .75,1, 1.5, 2, 2.5, 3,4, 5, 6, 8, 10, 12,15 LPMFlow RateAccuracy*+/- 10% +/- 10% +/- 10% +/- 10% +/- 10%* This accuracy is only at 70F and 14.7 psig and with a calibrated accurate mass flow meter.