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ASTM F856-97(2022)

Current Reaffirmation

Standard Practice for Mechanical Symbols, Shipboard—Heating, Ventilation, and Air Conditioning (HVAC)

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1.1 This practice covers symbols used on heating, ventilation, and air conditioning (HVAC) detailed engineering drawings.

1.2 These symbols may be useful on contract and preliminary design drawings.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


2.1 When symbolic representation is required for an item not covered in this standard, the character of the symbol shall be adequately identified and shall be subject to one interpretation only. If necessary, a note shall be attached to the symbol for further clarity.

2.2 Symbolic representation does not require exact or scale layouts of the actual system. Therefore, the symbols may be used in all views of the system layout.

SDO ASTM: ASTM International
Document Number F856
Publication Date Oct. 1, 2022
Language en - English
Page Count 7
Revision Level 97(2022)
Supercedes
Committee F25.11
Publish Date Document Id Type View
Nov. 10, 1997 F0856-97 Revision
Oct. 1, 2022 F0856-97R22 Reaffirmation
Sept. 1, 2018 F0856-97R18 Reaffirmation
Aug. 1, 2014 F0856-97R14 Reaffirmation
Nov. 1, 2008 F0856-97R08 Reaffirmation
May 1, 2004 F0856-97R04 Reaffirmation