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1、AEROSPACE STANDARD AS8010 REV. C Issued1977-08 Revised1997-09 Reaffirmed2007-12 Superseding AS8010B Aviators Breathing Oxygen Purity Standard 1.SCOPE: This document defines the minimum degree of purity and maximum levels of certain deleterious impurities allowable for aviators breathing oxygen at th
2、e point of manufacture or generation. It covers gaseous, liquid, and chemically generated oxygen, and oxygen supplied by in situ concentration and in situ electrolysis. Different limits are established for oxygen from different sources, in recognition of differences in the ways the oxygen is stored,
3、 dispensed, and utilized, taking into account the safety of the user. These limits are not intended to specifically reflect upon the relative capabilities or merits of various technologies. Procurement documents may specify more stringent limits, where required for specific applications. Medical oxy
4、gen is not covered by this standard. In the United States, medical oxygen is a prescription drug. 2.REFERENCES: 2.1Applicable Documents: The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of o
5、ther publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a
6、 specific exemption has been obtained. 2.1.1U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. MIL-O-27210 Oxygen, Aviators Breathing, Liquid and Gas SAE Technical Standards Board Rules provide that: “This re
7、port is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews e
8、ach technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2007 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitte
9、d, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADD
10、RESS: http:/www.sae.org Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 2 - 2.1.2NATO Publicatio
11、ns: Available from North Atlantic Treaty Organization, Military Agency for Standardization (MAS), 1110 Brussels, Belgium. Also available from Naval Publications and Forms Center, 5801 Tabor Avenue, Philadelphia, PA 19120. STANAG 3367 GGS Characteristics Of Breathing Gas Supplied By Molecular Sieve O
12、xygen Concentrating Systems And Supply Equipment STANAG 3545 GGS Characteristics Of Breathable Liquid Oxygen STANAG 3688 GGS Characteristics Of Breathable Oxygen Supplied By Chemical Solid Generators 2.1.3CGA Publications: Available from Compressed Gas Association, Inc., 1725 Jefferson Davis Highway
13、, Suite 1004, Arlington, VA 22202. CGA G-4.3Commodity Specification for Oxygen 2.2Definitions: FIRST AID OXYGEN: Oxygen intended primarily for first aid treatment of aircraft cabin occupants who might require undiluted oxygen following descent from cabin pressure levels above 25,000 ft. IMPURITY: An
14、y constituent other than oxygen found in a sample of oxygen gas. MEDICAL OXYGEN: Oxygen administered by, or under the guidance of a physician. NTPD: Normal Temperature and Pressure, Dry. Conditions comprising a temperature of 21.1 C (70 F), an absolute pressure of 101.3 kPa (760 mm of Hg), and 0 par
15、tial pressure of water vapor. PEAK ALLOWABLE CONCENTRATION: A concentration value which must not be exceeded at any time. As used in this document, a Peak Allowable Concentration is an additional requirement which must be met along with a time weighted average requirement. PERCENT CONCENTRATION: Uni
16、t of concentration of constituent in a gaseous mixture, which is stated as the number of unit volumes of the constituent to be found in 100 unit volumes of the entire mixture. Also sometimes called “concentration by volume”, “percent by volume”, “percent (volume/ volume)”, or “volume percent”. For t
17、he purposes of this Standard, concentrations expressed as a percentage are presumed to be consistent with this definition, unless otherwise stated. PARTS PER MILLION CONCENTRATION (ppm): Unit of concentration of constituent in a gaseous mixture, which is stated as the number of unit volumes of the c
18、onstituent to be found in one million unit volumes of the mixture. Also sometimes called “ppm by volume”, “volume ppm”, or “ppm (volume/volume)”. For the purposes of this Standard, concentrations expressed as parts per million or ppm are presumed to be consistent with this definition, unless otherwi
19、se stated. Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 3 - 2.2 (Continued): PURITY: The oxyg
20、en concentration found in a sample of oxygen. Also sometimes used in reference to the level of impurities found in a sample of oxygen. SLIP: The quantity of a chemical constituent to which a user would be exposed, expressed as the equivalent volume of the pure constituent which would be encountered
21、throughout the exposure. In this document, the concept of slip is used to deal with exposure to carbon monoxide, which has an accumulative exposure effect. 3.GENERAL REQUIREMENTS: 3.1Types of Oxygen Supplies: The types of oxygen supplies covered by this Standard include gaseous oxygen (Type I), liqu
22、id oxygen (Type II), chemically generated oxygen for routine use (Type III), chemically generated oxygen for emergency use (Type IV), oxygen concentrated in situ (Type V), and oxygen generated in situ by electrolysis (Type VI). Each type shall meet the composition requirements stated below. 3.1.1Gas
23、eous type Aviators Breathing Oxygen (Type I) must contain not less than 99.5% oxygen by volume. The oxygen must contain no objectionable odor. The remainder, except for moisture and minor constituents specified in Table 1, may be argon, nitrogen, or similar non-toxic inert gas. 3.1.2Liquid type Avia
24、tors Breathing Oxygen (Type II) must contain not less than 99.5% oxygen by volume. The oxygen must contain no objectionable odor. The remainder, except for moisture and minor constituents specified in Table 1, may be argon, nitrogen, or similar non-toxic inert gas. 3.1.3Chemically generated type Avi
25、ators Breathing Oxygen for routine use (Type III) must contain not less than 99.5% oxygen by volume, on a dry basis (exclusive of moisture). The oxygen must contain no objectionable odor. The remainder, except for moisture and minor constituents specified in Table 2, must be gases which can be shown
26、 to be physiologically innocuous at the levels encountered. In addition, peak levels of certain minor constituents must meet the additional requirements given in Table 3. 3.1.4Chemically generated type Aviators Breathing Oxygen for emergency use (Type IV) must contain not less than 99.5% oxygen by v
27、olume, on a dry basis (exclusive of moisture). The oxygen must contain no objectionable odor. The remainder, except for moisture and minor constituents specified in Table 2, must be gases which can be shown to be physiologically innocuous at the levels encountered. In addition, peak levels of certai
28、n minor constituents must meet the additional requirements given in Table 3. 3.1.5Aviators Breathing Oxygen produced by in situ concentration or separation from ambient air (Type V) must not contain more than 0.5% impurities by volume, excepting moisture, nitrogen, and argon. The oxygen must contain
29、 no objectionable odor. Levels of minor constituents shall not exceed the values shown in Table 4. The remainder, except for moisture, nitrogen, argon, and minor constituents specified in Table 4, must be gases which can be shown to be physiologically innocuous at the levels encountered. Copyright S
30、AE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 4 - TABLE 1 - Constituent Maximum Concentrations for Gaseou
31、s and Liquid Oxygen Type I - Gaseous Type II - Liquid Carbon Dioxide (CO2)10 ppm5 ppm Methane (CH4)50 ppm25 ppm Acetylene (C2H2)0.1 ppm0.05 ppm Ethylene (C2H4)0.4 ppm0.2 ppm Ethane (C2H6) and heavier hydrocarbons 6 ppm (C2H6 equivalent) 3 ppm (C2H6 equivalent) Nitrous Oxide (N2O)4 ppm2 ppm Halogenat
32、ed Compounds (Refrigerants, CFCs, HCFCs, etc.) 2 ppm1 ppm Solvents (Trichloroethylene, carbon tetrachloride, etc.) 0.2 ppm0.1 ppm Other (Each compound discernible from background noise) 0.2 ppm0.1 ppm Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to
33、3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 5 - TABLE 2 - Constituent Maximum Concentrations1 for Chemical Oxygen Type III - Chemical, for Routine2 Use Type IV - Chemical, for Emergency3 Use
34、Carbon Dioxide (CO2)5000 ppm5000 ppm Chlorine and chlorine derivatives 0.2 ppm0.2 ppm Carbon Monoxide50 ppm50 ppm Solvents (Trichloroethylene, carbon tetrachloride, etc.) 0.2 ppm0.2 ppm 1 The values shown in Table 2 for chemically generated oxygen are the time weighted average concentrations for per
35、iods not exceeding 5 min over the duration of operation. 2 Routine use refers to systems which are intended to be used during normal operation of the aircraft. Such uses are likely to be of substantial duration and the same persons are likely to use oxygen from such systems on a frequent basis. 3 Em
36、ergency use refers to systems which are intended to be employed only in an emergency, such as a loss of cabin pressure, failure of the primary system, first aid use following a loss of cabin pressure, cabin fires, and emergency evacuation or egress. Such uses are generally of limited duration and th
37、e same persons are not likely to use oxygen from such systems on a frequent basis. Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from
38、 IHS -,-,- SAE AS8010 Revision C - 6 - TABLE 3 - Additional Constituent Requirements for Chemical Oxygen Type III - Chemical, for Routine Use Type IV - Chemical, for Emergency Use Carbon Dioxide (CO2) Peak allowable concentration in ppm by volume 20,000 ppm40,000 ppm Chlorine and chlorine derivative
39、s, Peak allowable concentration in ppm by volume 1.0 ppm1.0 ppm Carbon Monoxide (CO) Maximum permissible slip in ml, NTPD, to which an individual user may be exposed for single mission (Type III) or single use (Type IV) 100 ml100 ml Copyright SAE International Provided by IHS under license with SAEL
40、icensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 7 - TABLE 4 - Constituent Maximum Concentrations for Oxygen Produced by In Situ Concentration or Electrolysis Type
41、V - In Situ Concentration Type VI - In Situ Electrolysis Carbon Dioxide (CO2)5,000 ppm10 ppm Carbon Monoxide (CO)15 ppm10 ppm Total Hydrocarbons (as methane, CH4) 50 ppm50 ppm Aromatic Hydrocarbons1 ppm- Nitrous Oxide (N2O)4 ppm4 ppm Nitrogen Dioxide (NO2)5 ppm- Solvents (Trichloroethylene, carbon t
42、etrachloride, etc.) 0.2 ppm0.2 ppm Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 01/23/2008 23:42:17 MSTNo reproduction or networking permitted without license from IHS -,-,- SAE AS8010 Revision C - 8 - 3.1.5.1So
43、urces which produce Type V Aviators Breathing Oxygen at concentrations less than 99.5% by volume, on a dry basis (exclusive of moisture) shall indicate or declare the oxygen concentration produced. If the system includes a sensor to measure the oxygen output concentration, this requirement can be sa
44、tisfied by use of an indicator or display which is visible to the user. Alternatively, the minimum concentration supplied can be declared, whether this is controlled by internal mechanisms which respond automatically to a sensor signal or is established by design and qualification results. 3.1.5.2So
45、urces that produce Type V Aviators Breathing Oxygen at concentrations less than 99.5% by volume, on a dry basis (exclusive of moisture) must be used only with dispensing devices which are designed to supply users with a volume of oxygen consistent with the use of that source concentration. 3.1.6Avia
46、tors Breathing Oxygen produced by in situ electrolysis (Type VI) must contain not less than 99.5% oxygen by volume on a dry basis (exclusive of moisture). The oxygen must contain no objectionable odor. The remainder, except for moisture and minor constituents specified in Table 4, may be argon, nitr
47、ogen, or similar inert gas or must be gases which can be shown to be physiologically innocuous at the levels encountered. 3.1.7Oxygen supplies or sources which are to be marked as conforming to AS8010 shall indicate the Type in all such markings. 3.2Moisture (Water Vapor): 3.2.1Moisture in gaseous (
48、Type I) or liquid (Type II) oxygen must not exceed 5 g/L of gas at a temperature of 21.1 C (70 F) and a pressure of 101.3 kPa (760 mm of Hg). This corresponds to a dew point of -63.3 C (-82 F). 3.2.2Moisture in chemically generated oxygen (Type III and Type IV), oxygen produced by in situ concentration (Type V), and oxygen produced by in situ electrolysis (Type VI), which is used as it is produced, shall not exceed 20 mg/L of gas at a temperature of 21.1 C (70 F) and a pressure of 101.3 kPa (760 mm of Hg). This corresponds to a dew