SAE J2296-1998 Retest of Refrigerant Container.pdf
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1、SAE Technical Standards Board Rules provide that: “This report 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 therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243 TO PLACE A DOCU
3、MENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http:/www.sae.org Copyright 1998 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD Submitted for recognition as an American National Sta
4、ndard J2296 REV. NOV1998 Issued1996-09 Revised1998-11 Superseding J2296 SEP96 Retest of Refrigerant Container 1.Scope To provide a procedure to inspect a refrigerant cylinder used in equipment servicing mobile air- conditioning (A/C) systems. This includes the pressure cylinder used for refrigerant
5、recovery/recycling and charging equipment. 2.References 2.1Applicable Publications The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1CGA SPECIFICATIONS Available from Compres
6、sed Gas Association, Crystal Square #2, Jefferson Davis Highway, Arlington, VA 22202-4102. CGA S-1.1 Pressure Relief Device Standards Cylinders for Compressed Gases CGA C-6 Standards for Visual Inspection of Steel Compressed Gas Cylinders CGA C-6.1 Standards for Visual Inspection of High Pressure Al
7、uminum Compressed Gas Cylinders 2.1.2DOT SPECIFICATIONS Available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. DOT 39 DOT approved cylinder specifications (except those operating under exemptions) are found in 49 Code of Federal Regulations (CFR) secti
8、ons 178.1 through 178.68. 2.1.3UNDERWRITERS LABORATORIES Available from Underwriters Laboratories, 333 Pfingsten Road, Northbrook, IL 60062-2096. UL 1769 Cylinder Valves UL 1963 Standard for Refrigerant Recovery/Recycling Equipment, First Edition 1993, Copyright 1989 SAE J2296 Revised NOV1998 -2- 2.
9、2Related Publications The following publications are provided for information purposes only and are not a required part of this document. 2.2.1SAE PUBLICATIONS Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J513, 1976 Refrigeration Tube Fittings SAE J1990, 1989 Extraction
10、 and Recycle Equipment for Mobile Automotive Air-Conditioning Systems SAE J2197, 1991 HFC-134a (R-134a )Service Hose Fittings SAE J2209, 1991 Standard for Purity for Recycled HFC-134a (R-134a) for use in Mobile Air-Conditioning Systems SAE J2210 HFC-134a (R-134a) Recycling Equipment for Mobile Air-C
11、onditioning Systems 2.2.2ARI PUBLICATION Available from ARI, 4301 North Fairfax Drive, Suite 425, Arlington, VA. ARI Guideline K 1990 Cylinders for Recovered Fluorocarbon Refrigerants 2.2.3DOT PUBLICATION Available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC
12、 20402. Part III Environmental Protection Agency, 40CFR Part 82 Protection of Stratospheric Ozone: Labeling Supplemental Proposal Final Rule 3.Storage Containers (Cylinder/Tank) 3.1Federal Requirements The container stores the refrigerant and protects it from outside contamination. Most refrigerants
13、 are under pressure at ambient temperatures. Refrigerants should never be charged and stored in unapproved containers such as DOT Specification 39 disposable cylinders. 3.1.1DOT STANDS FOR THE U.S. DEPARTMENT OF TRANSPORTATION Federal law forbids transporting DOT 39 cylinders if refilled and penalti
14、es up to a $25 000 fine and 5 years imprisonment may be expected (Title 49 U.S.C. (United States Code) Sec. 1809). 3.1.2Proper storage containers are DOT approved refillable containers which are stamped with the information in Figure 1: FIGURE 1 INFORMATION FOR CONTAINERS 3.1.2.1The sample informati
15、on is for a tank commonly called a “50-lb tank.” Other size tanks shall have the appropriate W.C. and T.W. markings. SAE J2296 Revised NOV1998 -3- 3.1.3The first line is the DOT code for a container rated at 400 psig (2760 kPa) or 302 psig (2084 kPa) or 350 psig (2415 kPa) working pressure. 3.1.3.1T
16、he second line is the container manufacturer serial number. 3.1.3.2The third line is the container manufacturer identification number. 3.1.3.3The fourth line W.C. is the water capacity in pounds when completely filled and T.W. is the cylinder tare weight in pounds. Since common refrigerants are heav
17、ier than water, this tank can safely be filled with 23 kg for CFC-12 (R-12) or 21 kg of HFC-134a (R-134a). 3.1.3.4The fifth line is the manufacturer s date code, which is important for the retested date. 3.2The containers and valves should meet UL 1963 which requires that: 3.2.1The storage container
18、 shall comply with DOT Specifications, 49 CFR, and have a service pressure rating not less than the recovery equipments pressure limiting device. 3.2.2The cylinder valve shall comply with the Standard for Cylinder valves, UL 1769. The pressure relief device shall comply with the Pressure Relief Devi
19、ce Standard Part 1 Pressure Relief Device Standards Cylinders for Compressed Gases” , Compressed Gas Association Pamphlet S-1.1. 3.2.3The tank assembly shall be marked to indicate the first retest date, which shall be 5 years from date of manufacture. Also the marking shall indicate that retest must
20、 be performed every subsequent 5 years. The marking shall be in letters at least 6 mm high. 3.3ARI Guideline K describes a color coding scheme for refrigerant cylinders. The color for recovered and recycled refrigerants, and refrigerant on its way back to a reclaim facility, is gray with a yellow to
21、p. Some recycling equipment manufacturers have provided light blue cylinders with yellow tops for automotive HFC-134a (R-134a) applications. 3.4Most storage containers are equipped with SAE 6.4 mm refrigeration flare fittings. For automotive HFC-134a (R-134a) applications, both new refrigerant cylin
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