Manual

XL-45 XL-50 XL-55
Dimensions
Diameter 20 in. (508 mm) 20 in. (508 mm) 20 in. (508 mm)
Height 61 ½ in. (1562 mm) 64 5/8 in. (1641 mm) 69 7/8 in. (1764 mm)
Weight
Empty (Nominal) 255 lb. (116 kg) 270 lb. (122 kg) 270 lb. (122 kg)
Capacity, Gross 180 liters 193 liters 210 liters
Capacity, Usable Liquid 169 liters 181 liters 200 liters
Weight on Contents Max.
Based on DOT Rated Service Pressure
Oxygen 388 lb. (176 kg) 416 lb. (189 kg) 454 lb. (206 kg)
Nitrogen 273 lb. (124 kg) 293 lb. (133 kg) 319 lb. (145 kg)
Argon 471 lb. (214 kg) 505 lb. (229 kg) 551 lb. (250 kg)
Normal Evaporation Rate*
(% Capacity per Day)
Oxygen/Argon 1.2% 1.1% 1.1%
Nitrogen 1.9% 1.8% 1.7%
Gas Flow Rate @ NTP (STP**)
Oxygen, Nitrogen, Argon 350 cfh (9.2 cu.m/h) 350 cfh (9.2 cu.m/h) 350 cfh (9.2 cu.m/h)
Relief Valve Setting 230 psig 230 psig 230 psig
(16 bar/1586 kPa) (16 bar/1586 kPa) (16 bar/1586 kPa)
Inner Container Bursting Disc 380 psig 380 psig 380 psig
(26 bar/2620 kPa) (26 bar/2620 kPa) (26 bar/2620 kPa)
Dual Pressure Building/
Economizer Regulator***
Pressure Building Setting 125 psig 125 psig 125 psig
(8.6 bar/862 kPa) (8.6 bar/862 kPa) (8.6 bar/862 kPa)
Economizer Setting 145 psig 145 psig 145 psig
(10 bar/1000 kPa) (10 bar/1000 kPa) (10 bar/1000 kPa)
Design Specifications
TC 4LM 4LM 4LM
DOT 4L 4L 4L
Gaseous Capacity
Based on DOT Rated Service Pressure
@ NTP (STP)
Oxygen 4688 cu. ft (123 cu.m) 5025 cu.ft (132 cu.m) 5484 cu.ft.(144 cu.m)
Nitrogen 3771 cu. ft (99 cu.m) 4043 cu. ft(106 cu.m) 4402 cu. ft(116 cu.m)
Argon 4558 cu. ft(120 cu. m) 4884 cu. ft(128 cu. m) 5331 cu. ft(140 cu.m)
Specifications are subject to change without notice
* Vented N.E.R. based on Usable Liquid Capacity
** Container pressure at or above factory Dual Pressure Building/Economizer Regulator setting
*** Regulator has a pressure delta of 20 psig (1.4 bar/138 kPa)
SPECIFICATIONS