1、Designation: D7123 11Standard 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, tra
3、nsporta-tion, 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 addre
4、ss 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 Standards:D7122 Specificat
5、ion for HCFC Blend B (CF3CCl2H, Ar,and CF4)2.2 CGA Standards:2C-6 Standards for Visual Inspection of Steel CompressedGas CylindersC-7 Guide to Preparation of Precautionary Labeling andMarking of Compressed Gas ContainersP-1 Safe Handling of Compressed Gases in ContainersSB-1 Safety Bulletin: Hazards
6、 of Refilling CompressedRefrigerant (Halogenated Hydrocarbon) Gas CylindersSB-5 Safety Bulletin: Hazards of Reusing Disposable Re-frigerant (Halogenated Hydrocarbon) Gas CylindersSB-18 Safety Bulletin: Use of Refrigerant (HalogenatedHydrocarbons) Recovery Cylinders2.3 U.S. Government Standards:3Code
7、 of Federal Regulations (CFR) Title 40, Part 82.106,Environmental 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 Tra
8、ining RequirementsCFR Title 49, Part 172.101, U.S. DOT, 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 forPackagingsCFR Title 49, Part 180, U.S. DOT, Conti
9、nuing Qualificationand Maintenance of Packagings3. Terminology3.1 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 primarilyof HCFC-123 (2,2-dichloro-1,1,1-trifluoroeth
10、ane); a com-pound used to inert, extinguish, or suppress a fire or explosionhazard. 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
11、handling,transportation, and storage of HCFC Blend B encountered indistribution through both commercial and military channels. Itis intended to ensure that HCFC Blend B is handled, trans-ported, and stored in such a way that its physical propertyvirtues are not degraded. Transport may be by various
12、means,such as, but not limited to, highway, rail, water, and air.5. 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 inSections 2.2 and 2.3, respectively.1This pract
13、ice 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 Aug. 1, 2011. Published September 2011. Originallyapproved in 2004. Last p
14、revious edition approved in 2010 as D7123-04 (Reap-proved 2010). DOI: 10.1520/D7123-11.2Available from Compressed Gas Association. Online, .3Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C
15、700, West Conshohocken, PA 19428-2959, United States.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 charact
16、eristics of the product and the propermethods 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 pro
17、cessesshall be in conjunction with the equipment specified by themanufacturer.5.2.3 HCFC Blend B handling shall be in nonsmoking,heater-free, ventilated areas to preclude product accumulation.Provisions shall be made to ensure that service areas limitHCFC Blend B concentrations do not exceed 20,000
18、ppm(2 %) by volume for 1 min and 50 ppm by volume for a timeweighted exposure of 8 h.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 130F(54C). The maximum permitted filling d
19、ensity for HCFCBlend B shall be 86 lb/ft3(1377 kg/m3). Filling density require-ments are specified in Title 49 CFR, 173.304 and Title 49 CFR,173.305. Recommended fill density is 76 lb/ft3(1219 kg/m3)orless.5.2.5 Handling of materials should be done in a manner thatprevents contamination or commingli
20、ng 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. Uniqu
21、e 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 reclaimers
22、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 in Titl
23、e 49 CFR, Part 173.304. The pressure insidethe container at 70F (21C) shall not exceed the servicepressure for which the container is marked. The pressure insidethe container at 130F (54C) shall not exceed54 times theservice pressure for which the container is marked. Fig. 1 andFig. 2 illustrate the
24、 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 acompressed liquefied gas, typical cylinder fill density varia-tions do not impact the pressure enough to provide an isometricdiagram.5.3.2 Transportat
25、ion shall be by suitable vehicles to pre-clude cylinder damage by excessive mechanical vibration,shock, freezing, or deleterious high temperatures throughoutthe entire transport route.5.3.2.1 If cylinders are expected to be subjected to unac-ceptable transport conditions, the cylinders should be pla
26、cedunder insulated conditions.FIG. 1 Pressure Versus Temperature Diagram of HCFC Blend B, English UnitsD7123 1125.3.3 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 173of Titl
27、e 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 49CFR.5.4
28、.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.5.4.3 Storag
29、e 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. Safetyvalves shall
30、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 does or doe
31、s 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 HCFC Ble
32、nd 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 systems may
33、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 to the pr
34、oduct standard is achieved.7. Keywords7.1 HCFC Blend B; CF3CCl2H; HCFC-123; 2,2-dichloro-1,1,1-trifluoroethane; argon; tetrafluoromethane; explosionsuppressant; fire suppressant; fire extinguishant; Halotront4I;handling; reclamation; recovery; recycling; storage; transport4Halotront is a trademark o
35、f American Pacific Corporation.FIG. 2 Pressure Versus Temperature Diagram of HCFC Blend B, SI UnitsD7123 113ASTM 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 t
36、hat 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 reapp
37、roved 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
38、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 International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual r
39、eprints (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 ASTM website (www.astm.org/COPYRIGHT/).D7123 114
