SF6 Gas


DIELECTRIC GAS, NON TOXIC & NON FLAMABLE.

Our SF6 (Sulphur Hexafluoride) Gas adheres to the highest standards for purity and quality with lowest moisture content.

SF6 Gas is filled in high voltage circuit breakers, high voltage transformers and also in high voltage gas insulated switchgears (GIS).

SF6 is a stable and inert gas. It has no aggressive impacts on the materials. Its dielectric strength is higher than the air, the nitrogen and CO2.

It complies with IEC 60376 standard.




PHYSIOCHEMICAL DATA


Analysis on the liquid phase as specified in IEC 60376 Standard.

SPECIFICATION UNITS VALUES
Purity % Weight ≥ 99.9
Max O2 + N2 g/kg ≤ 0.5
Max CF4 mg/kg ≤ 500
Max H2O mg/kg ≤ 15
Acidity Max. (HF) mg/kg ≤ 1
Max content of mineral oil mg/kg ≤ 10
Toxicity - No Toxic


CHARACTERISTICS VALUES METHOD
Chemical Formula SF6
Molar Mass g/mol 146.05
Sulphur Content in % 21.95
Fluorine Content in % 78.05
Sublimation Temperature - 63.8 ℃
Solidification Temperature at 2.26 bar - 50.8 ℃
Critical Temperature 45.44 ℃
Critical Density kg/l 0.736
Effective Pressure - Saturated vapour at 20 ℃
Effective Pressure - Saturated vapour at 20 ℃
bar
bar
21.17
33.09
Density of the liquid at -20 ℃
Density of the liquid at +21 ℃
Density of the liquid at +44 ℃
g/lt
g/lt
g/lt
1.67
1.371
0.968
Density of the gas at 1.013 bar at -21.1 ℃
Density of the gas at 3.039 bar at -21.1 ℃
Density of the gas at 10.13 bar at -21.1 ℃
g/lt
g/lt
g/lt
6.14
18.8
69.6


Use Conditions


SF6 is a greenhouse gas. Using transfer equipment for this gas will allow you to filter impurities and to dry the gas passing through the dehydrator.

Handling
SF6 is a liquefied gas. Handling should be done by operators qualified, trained and certified to risks related to the use of the gas under pressure and to wear individual protection equipment.

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