ASTM_D_6127-21.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations isued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.Designation:D6127-21INTERNATIONALStandard Practice forHandling,Transportation,and Storage of HFC-23(Trifluoromethane,CHF3)This standard is issued under the fixed designation D6127;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.ScopeSB-1 Hazards of Refilling Compressed Refrigerant(haloge-1.1 This practice covers guidance and direction to suppliers,nated hydrocarbon)Gas Cylinderspurchasers,and users in the handling,transportation,andSB-5 Hazards of Reusing Disposable Refrigerant(Haloge-storage of HFC-23.nated Hydrocarbon)Gas CylindersSB-18 Use of Refrigerant(Halogenated Hydrocarbon)Re-1.2 The values stated in inch-pound units are to be regardedcovery Cylindersas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information only2.3 U.S.Government Standards:and are not considered standard.49 CFR Part 172 Hazardous Materials Table,SpecialProvisions,Hazardous Materials Communications,Emer-1.3 This standard does not purport to address all of thegency Response Information,Training Requirements,andsafety concerns,if any,associated with its use.It is theSecurity Planresponsibility of the user of this standard to establish appro-49 CFR Part 172.101 Purpose and Use of Hazardous Mate-priate safety,health,and environmental practices and deter-rials Tablemine the applicability of regulatory limitations prior to use.49 CFR Part 173 Shippers-General Requirements for Ship-1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ments and Packaging49 CFR Part 178 Specifications for Packagingsization established in the Decision on Principles for the49 CFR Part 180 Continuing Qualification and MaintenanceDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization Technicalof PackagingsBarriers to Trade(TBT)Committee.3.Terminology2.Referenced Documents3.1 Definitions of Terms Specific to This Standard:2.1 ASTM Standard:23.1.1 containers,n-storage vessel for HFC-23.D6126/D6126M SpecificationforHFC-233.1.2 cylinders,n-containers of HFC-23.(Trifluoromethane,CHF3)3.1.3 HFC-23,n-trifluoromethane,a compound used to2.2 CGA Standards:inert or suppress a fire or explosion hazard.C-6 Standards for Visual Inspection of Steel CompressedGas Cylinders3.1.4 insulated,adj-placed in an isolated situation to pro-C-7 Guide to Classification and Labeling of Compressedtect and prevent the transfer of damage.GasesP-1 Standard for Safe Handling of Compressed Gases in4.Significance and UseContainers4.1 This practice provides requirements for the handling,transportation,and storage of HFC-23 encountered in distribu-This practice is under the jurisdiction of ASTM Committee D26 on Haloge-tion through both commercial and military channels.It isnated Organic Solvents and Fire Extinguishing Agents and is the direct responsi-intended to ensure that HFC-23 is handled,transported,andbility of Subcommittee D26.09 on Fire Extinguishing Agents.stored in such a way its physical property values are notCurrent edition approved June 1,2021.Published June 2021.Originallydegraded.Transport may be by various means,such as,but notapproved in 1997.Last previous edition approved in 2015 as D6127-11(2015).DOI:10.1520/D6127-21.limited to,highway,rail,water,and air.2 For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4Code of Federal Regulations(CFR)documents are available from U.S.3 Available from Compressed Gas Association(CGA),8484 Westpark Drive,Government Publishing Office(GPO),732 N.Capitol St.,NW,Washington,DCSuite 220,McLean,VA 22102,http:/.20401,http:/www.gpo.gov.Copyright C ASTM Intenational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States|D6127-215.Practice5.2.6 Handling of materials should be done in a manner that5.1 To ensure safe handling,loading,unloading,storing,prevents contamination or comingling of materials other thanand transporting of material,personnel shall be trained in theHFC-23.CGA publications and CFR regulations as listed in 2.2 and 2.3,5.2.7 Cylinders shall be free of dirt and contamination thatrespectively.would contribute to or would cause deterioration of productduring shipment or storage.Precautions should be taken to5.2 Handling:prevent the entry of oil,water,or any other foreign matter into5.2.1 Handling shall be in accordance with CGA Publica-containers.Unique coatings or preservatives applied prior totion P-1 and as specified by the manufacturer.shipment to protect the containers are not considered.5.2.1.1 Personnel who handle or store,or both,cylinders ofHCFC Blend B shall be trained properly to recognize and5.3 Transportation:identify the characteristics of the product and the proper5.3.1 Transportation shall be as specified in accordance withmethods of safely handling full,partially full,and empty49 CFR regulations.cylinders.5.3.1.1 Shipment of materials between collectors,recyclers,5.2.2 All HFC-23 transfers between storage containers andand reclaimers should be within approved Department ofrecycling processes shall be performed by personnel trained inTransportation(DOT)guidelines for Class 2,Division 2.2,handling procedures.regulated materials.Any further provisions for special trans-5.2.3 The HFC-23 recycling and transfer processes shall beportation or packaging should be agreed upon between thein conjunction with the equipment specified by the manufac-collectors,recyclers,and reclaimers.turer.5.3.2 Transportation shall be in suitable vehicles to preclude5.2.4 The handling of HFC-23 shall be in nonsmoking,cylinder damage by excessive mechanical vibration,shock,heater-free,ventilated areas to preclude product accumulation.freezing,or deleterious high temperatures throughout the entireProvisions shall be made to ensure that service area HFC-23transport route.concentrations do not exceed 30%for 1 min and 0.1%for 8 h.5.3.2.1 Should cylinders be expected to be subjected to5.2.5 Cylinders shall not be overfilled.The liquid portion ofunacceptable transport conditions,the cylinders should beHFC-23 must not completely fill the containers internalplaced under insulated conditions.volume at any temperature up to and including 130 F(54C).5.3.3 Compressed gas cylinder permanent marking require-Filling density requirements are specified in 49 CFR Part 173ments shall be as specified under 49 CFR Part 178 and must beand 49 CFR Part 173.305.Fig.1 illustrates the effect ofmaintained in legible condition as required by 49 CFRtemperature on cylinders filled with HFC-23.Part 173.5000HFC-23FLUOROCARBON4500ISOMETRICS4000350030001525950025002000150010001.45.452.41.673.38.46CRITICAL POINT4.35.7150020406080100120140FIG.1 HFC-23 Fluorocarbon Isometrics2D6127-215.4 Storage:5.4.5 Insulation shall be placed on pallets or shoring and5.4.1 Storage shall be in accordance with CGA Publicationprovisions should be made to prevent excessive shock orP-1 in qualified cylinders in accordance with 49 CFR Parts 173thermal fluctuations to cylinders.and 178.5.4.6 Cylinders shall be stored in a manner that will prevent5.4.2 Cylinders should be stored in areas that will protectcontamination from external sources.vessels form physical and environmental damage,and tamper-5.4.6.1 If HFC-23 meeting the standards of Specificationing from unauthorized personnel.D6126/D6126M is stored in the same area as material not5.4.2.1 Facilities should be of construction and orientationmeeting this requirement,storage shall be segregated or clearlyso that safety requirements are fulfilled for storage of pressur-identifiable as not being similar.ized cylinders.5.4.3 Storage cylinders shall be fitted with pressure release6.Keywordsmechanisms to limit vessel pressure to not more than the ratedworking pressure of the container in use at any particular time.6.1 CHF3;compressed gas;compressed liquefied gas;cyl-5.4.3.1 Periodic hydrostatic testing and re-inspection ofinders;explosion suppressant;FE-133;fire suppressant;han-cylinders used for HFC-23 shall comply with 49 CFR Part 180.dling;HFC-23;storage;transport;trifluoromethane5.4.4 Containers shall be clearly marked and labeled toidentify whether the HFC-23 contained conforms to Specifi-cation D6126/D6126M.5 FE-13 is a trademark of The Chemours Company.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard is copyrighted by ASTM Intermational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(www.astm.org).Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center,222Rosewood Drive,Danvers,MA 01923,Tel:(978)646-2600;http:/