ASTM-D1933 › Standard Specification for Nitrogen Gas as an Electrical Insulating Material

ASTM-D1933 - 2003 R17 EDITION - CURRENT
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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.

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Scope

1.1 This specification covers three types of nitrogen used as an electrical insulating material in electrical equipment:

1.1.1 Type I, obtained from the air by liquefaction processes and dried,

1.1.2 Type II, obtained from the air by liquefaction processes, deoxidized with hydrogen over a platinum catalyst, and dried, and

1.1.3 Type III, obtained from the air by liquefaction processes and if necessary deoxidized by suitable means.

Note 1: The fact that metal containers are filled with materials meeting this specification does not exclude the possibility that the materials might become contaminated with unlisted impurities.

1.2 The following safety hazards caveat pertains only to the test method portion, Section 5, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

electrical insulating material; nitrogen gas; oxygen gas;; ICS Number Code 29.040.20 (Insulating gases)

To find similar documents by ASTM Volume:

10.03 (Electrical Insulating Liquids and Gases; Electrical Protective Equipment)

To find similar documents by classification:

29.040.20 (Insulating gases)

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Document Number

ASTM-D1933-03(2017)

Revision Level

2003 R17 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Feb. 1, 2017

Document Type

Specification

Page Count

2 pages

Committee Number

D27.02