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Helium 6.0, gaseous, compressed, 300 bar

gaseous, compressed
Purity 99,9999 vol.%
Descriptions Helium 6.0

Impurities

Impurities

Nitrogen 0,5 vol. ppm
Oxygen 0,2 vol. ppm
Moisture 1 vol. ppm
Hydrogen 0,1 vol. ppm
Hydrocarbons 0,1 vol. ppm
Delivery formats In steel cylinders
Cylinders/container volumes 50 l 50 l
Content Content (m3) 13 13
Filling pressure Filling pressure (bar) 300 300

Unless otherwise stated, these refer to filling pressure at 288,15K (15°C) and to content at 288,15K (15°C) and 1,013 bar.

Unless otherwise stated, these refer to filling pressure at 288,15K (15°C) and to content at 288,15K (15°C) and 1,013 bar.

Properties asphyxiant
Valve connection DIN 477-5 No. 54 | CEN No. 1
Shoulder colour olive brown (RAL 8008)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 0,167 1,336
1 kg 5,988 1,000 8,001
1 l liquid at T boiling point; 1 bar 0,748 0,125 1,000

Other delivery formats

on request ; Alumini® 12, 200 Helium 5.0 ; liquid helium for cryocontainer ; in trailer: Helium 4.6 ; in steel cylinders and bundles: Helium 4.6, 5.0, 5.5, 6.0, ECD, Protadur® E 939, balloon gas, Secudur® He ; in 300 bar technology: Helium 4.6, 5.0 and 6.0

Physical Data

Molar mass 4,00 g mol-1
Liquid State
Boiling Point 4,22 (-268,9) K (°C)
Heat of Evaporation 20,42 kJ kg-1
Liquid Density 125 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 0,18 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 0,14
Specific heat (at 298.15 K and 1.013 bar) 5,20 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,1482 J s-1 m-1 K-1
Critical Point
Temperature 5,2 (-268,0) K (°C)
Pressure 2,28 bar
Density 69,6 kg m-3
Triple Point
Temperature 2,177 (-271,0) K (°C)
Vapour Pressure 0,051 bar
Heat of Fusion 3,49 kJ kg-1
Additional operating figures
Ignition Point -- K (°C)
Ignition Range in Air -- vol.%
Calorific Value to DIN 51850 -- kJ kg-3

Triple point: upper lambda-point

Triple point: upper lambda-point

Typical applications

Suitable pressure regulators:

WEGA range: see brochure: "Good on Top: Pressure Regulators for Specialty Gases". WEGA range: see brochure: "Good on Top: Pressure Regulators for Specialty Gases".
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