1、Designation: D7123 17Standard Practice forHandling, Transportation, and Storage of HCFC Blend B(CF3CCl2H, Ar, and CF4)1This standard is issued under the fixed designation D7123; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the y
2、ear 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. Scope1.1 This practice covers guidance and direction to suppliers,reclaimers, purchasers, and users in the handling,tran
3、sportation, and storage of HCFC Blend B.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address
4、 all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standard:2D7122 Specificatio
5、n for HCFC Blend B (CF3CCl2H,Ar, andCF4)2.2 CGA Standards:3C-1 Methods for Pressure Testing Compressed Gas Cylin-dersC-6 Standard for Visual Inspection of Steel Compressed GasCylindersC-7 Guide to Classification and Labeling of CompressedGasesP-1 Standard for Safe Handling of Compressed Gases inCont
6、ainersSB-1 Safety Bulletin: Hazards of Refilling or Reusing Com-pressed Refrigerant (Halogenated Hydrocarbon) Gas Cyl-indersSB-18 Safety Bulletin: Use of Refrigerant (HalogenatedHydrocarbons) Recovery Cylinders2.3 U.S. Government Standards:4Code of Federal Regulations (CFR) Title 40, Part 82.106,Env
7、ironmental Protection Agency, Warning StatementRequirementsCFR Title 49, Part 172, U.S. Department of Transportation(DOT), Hazardous Materials Table, Special Provisions,Hazardous Materials Communications, Emergency Re-sponse Information, and Training RequirementsCFR Title 49, Part 172.101, U.S. DOT,
8、 Tables of HazardousMaterials and Special ProvisionsCFR Title 49, Part 173, U.S. DOT, Shippers-General Re-quirements for Shipping and PackagingsCFR Title 49, Part 178, U.S. DOT, Specifications for Pack-agingsCFR Title 49, Part 180, U.S. DOT, Continuing Qualificationand Maintenance of Packagings3. Te
9、rminology3.1 Definitions of Terms Specific to This Standard:3.1.1 containersstorage vessels for HCFC Blend B.3.1.2 cylinderscontainers of HCFC Blend B.3.1.3 HCFC Blend Btertiary blend comprised primarily ofHCFC-123 (2,2-dichloro-1,1,1-trifluoroethane); a compoundused to inert, extinguish, or suppres
10、s a fire or explosion hazard.The blend also contains argon and tetrafluoromethane.3.1.4 insulatedplaced in an isolated situation to protectand prevent the transfer of damage.4. Significance and Use4.1 This practice provides requirements for the handling,transportation, and storage of HCFC Blend B en
11、countered indistribution through both commercial and military channels. Itis intended to ensure that HCFC Blend B is handled,transported, and stored in such a way that its physical propertyvirtues are not degraded. Transport may be by various means,such as, but not limited to, highway, rail, water,
12、and air.1This practice is under the jurisdiction of ASTM Committee D26 on Haloge-nated Organic Solvents and Fire Extinguishing Agents and is the direct responsi-bility of Subcommittee D26.09 on Fire Extinguishing Agents.Current edition approved Feb. 1, 2017. Published March 2017. Originallyapproved
13、in 2004. Last previous edition approved in 2011 as D7123-11. DOI:10.1520/D7123-17.2For 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 pag
14、e onthe ASTM website.3Available from Compressed Gas Association (CGA), 14501 George CarterWay, Suite 103, Chantilly, VA 20151, http:/.4Available from U.S. Government Publishing Office (GPO), 732 N. CapitolStreet, NW, Washington, DC 20401-0001, http:/www.gpo.gov.Copyright ASTM International, 100 Barr
15、 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis 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 Recomme
16、ndations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.15. Practice5.1 To ensure safe handling, loading, unloading, storing,and transporting of material, personnel shall be trained in theCGA publications and Title 49 CFR regulations as listed in 2.2and 2.3, respe
17、ctively.5.2 Handling:5.2.1 Handling shall be in accordance with CGA P-1, SafeHandling of Compressed Gases in Containers.5.2.1.1 Personnel who handle or store, or both, cylinders ofHCFC Blend B shall be trained properly to recognize andidentify the characteristics of the product and the propermethods
18、 of safely handling full, partially full, and emptycylinders.5.2.2 All HCFC Blend B transfers between storage contain-ers and recycling processes shall be performed by personneltrained in handling procedures.5.2.2.1 HCFC Blend B recycling and transfer processesshall be in conjunction with the equipm
19、ent specified by themanufacturer.5.2.3 To preclude product accumulation and decomposition,HCFC Blend B handling shall be performed in ventilated areasthat are nonsmoking and free of portable heaters. Provisionsshall be made to ensure that service areas limit HCFC Blend Bconcentrations do not exceed
20、20 000 ppm (2 %) by volume for1 min and 50 ppm by volume for a time weighted exposure of8h.5.2.4 Cylinders shall not be overfilled. The liquid portion ofthe HCFC Blend B must not completely fill the containersinternal volume at any temperature up to and including 130 F(54 C). The maximum permitted f
21、illing density for HCFCBlend B shall be 86 lb/ft3(1377 kg/m3). Filling densityrequirements are specified in Title 49 CFR, 173.304 and Title49 CFR, 173.305. Recommended fill density is 76 lb/ft3(1219kg/m3) or less.5.2.5 Handling of materials should be done in a manner thatprevents contamination or co
22、mmingling of halocarbons otherthan HCFC Blend B.5.2.6 Cylinders shall be free of dirt and contamination thatwould contribute to or would cause deterioration of productduring shipment or storage. Precautions should be taken toprevent the entry of oil, water, or any other foreign matter intocontainers
23、. Unique coatings or preservatives applied prior toshipment to protect the containers are not considered contami-nation.5.3 Transportation:5.3.1 Transportation shall be as specified in accordance withDOT regulations of Title 49 CFR.5.3.1.1 Shipment of materials between collectors, recyclers,and recl
24、aimers should be within approved DOT guidelines forClass 2, Division 2.2, regulated materials. Any further provi-sions for special transportation or packaging should be agreedupon between the collectors, recyclers, and reclaimers.5.3.1.2 The minimum design pressure requirements shall beas indicated
25、in Title 49 CFR, Part 173.304. The pressure insidethe container at 70 F (21 C) shall not exceed the servicepressure for which the container is marked. The pressure insidethe container at 130 F (54 C) shall not exceed54 times theservice pressure for which the container is marked. Fig. 1 andFig. 2 ill
26、ustrate the effect of temperature on a typical storagecylinder filled with HCFC Blend B. As HCFC Blend B iscomprised of compressed gases in solution and is not aFIG. 1 Pressure Versus Temperature Diagram of HCFC Blend B, English UnitsD7123 172compressed liquefied gas, typical cylinder fill density v
27、aria-tions do not impact the pressure enough to provide an isometricdiagram.5.3.2 Transportation shall be by suitable vehicles to pre-clude cylinder damage by excessive mechanical vibration,shock, or deleterious low or high temperatures throughout theentire transport route.5.3.2.1 If cylinders are e
28、xpected to be subjected to unac-ceptable transport conditions, the cylinders should be placedunder insulated conditions.5.3.3 Compressed gas cylinder permanent marking require-ments shall be as specified under Part 178 of Title 49 CFR andmust be maintained in legible condition as required by Part 17
29、3of Title 49 CFR. Warning labels shall be affixed to cylindersconforming to requirements of Part 82.106 of Title 40 CFR.5.4 Storage:5.4.1 Storage shall be in accordance with CGA P-1, SafeHandling of Compressed Gases in Containers, in qualifiedcylinders in accordance with Parts 173 and 178 of Title 4
30、9CFR.5.4.2 Cylinders should be stored in areas that will protectvessels from physical and environmental damage and tamper-ing from unauthorized personnel.5.4.2.1 Facilities should be of construction and orientationso that safety requirements are fulfilled for the storage ofpressurized cylinders.5.4.
31、3 Storage cylinders shall be fitted with pressure releasemechanisms to limit vessel pressure to not more than theminimum required test pressure of the cylinder. Safety reliefvalves should be set not less than 75 %, nor more than 100 %of the minimum required test pressure of the cylinder. Safetyvalve
32、s shall be in contact with the vapor space of the cylinder.5.4.3.1 Periodic hydrostatic testing and reinspection of cyl-inders used for recycled HCFC Blend B shall comply with Title49 CFR, Part 180.5.4.4 Containers shall be clearly marked and labeled toidentify whether the HCFC Blend B contained doe
33、s or does notconform to Specification D7122.5.4.5 Insulation shall be placed on pallets or shoring, andprovisions should be made to prevent excessive shock orthermal fluctuations to cylinders.5.4.6 Cylinders shall be stored in a manner that will preventcontamination from external sources.5.4.6.1 If
34、HCFC Blend B meeting the standards of Specifi-cation D7122 is stored in the same area as material not meetingthe standards, storage shall be segregated or clearly identifiableas not being similar.6. Inspection6.1 HCFC Blend B that is reclaimed using HCFC Blend Bmanufacturer-approved reclamation syst
35、ems may be releasedfor reissue, provided test examination to validate the materialto specification is fulfilled.6.1.1 Reclaimed HCFC Blend B that cannot be proven tocomply with Specification D7122 shall not be reissued. Thematerial will be processed by environmentally safe methodsuntil conformance t
36、o the product standard is achieved.7. Container, Packaging, and Package Marking7.1 Containers used for shipping and storage of HCFCBlend B conforming to this specification shall be marked inaccordance with Code of Federal Regulations (CFR) Title 49,Part 172, Subpart D. The proper shipping name is “U
37、N1956,FIG. 2 Pressure Versus Temperature Diagram of HCFC Blend B, SI UnitsD7123 173Compressed Gas, N.O.S., 2.2 (Contains Argon, Tetrafluo-romethane).” In addition to DOT requirements, containersshould be marked with the following information as a mini-mum:7.1.1 Suppliers name and address,7.1.2 HCFC
38、Blend B, and7.1.3 Statement that material conforms to SpecificationD7122.8. Keywords8.1 2,2-dichloro-1,1,1-trifluoroethane; argon; CF3CCl2H;explosion suppressant; fire extinguishant; fire suppressant;Halotron5I; handling; HCFC-123; HCFC Blend B; reclama-tion; recovery; recycling; storage; tetrafluor
39、omethane; trans-portASTM 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
40、 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 fo
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