Aktivní norma | Vydána: 01.01.2026

ASTM D1933-03(2026)

Standard Specification for Nitrogen Gas as an Electrical Insulating Material

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ASTM D1933-03(2026)

Datum vydání: 01.01.2026

Stran: 2

Země: Americká technická norma

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Anotace

This specification covers three types of nitrogen gas used as an electrical insulating material in electrical equipment: Type I, obtained from the air by liquefaction processes and dried; Type II, obtained from the air by liquefaction processes, deoxidized with hydrogen over a platinum catalyst, and dried; and Type III, obtained from the air by liquefaction processes and if necessary deoxidized by suitable means. Materials shall be tested and the individual grades shall conform to specified values of % volume of nitrogen and rare gases, hydrogen, and oxygen; and dew point.

Keywords:
electrical insulating material, nitrogen gas, oxygen gas,, ICS Number Code 29.040.20 (Insulating gases)

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