1、ASME B31.9 INTERPRETATIONSASME B31.9 INTERPRETATIONSReplies to Technical InquiriesOctober 2007 Through November 2010FOREWORDIt has been agreed to publish interpretations isssued by the B31 Committee concerning B31.9as part of the update service to the Code. The interpretations have been assigned num
2、bers inchronological order. Each interpretation applies to the latest Edition at the time of issuance ofthe interpretation or the Edition stated in the reply. Subsequent revisions to the Code may havesuperseded the reply.These replies are taken verbatim from the original letters, except for a few ty
3、pographical andeditorial corrections made for the purpose of improved clarity. In some instances, a review ofthe interpretation revealed a need for corrections of a technical nature. In these cases, a revisedreply, bearing the original interpretation number with the suffix R, is presented. In the ca
4、se whereaninterpretationiscorrectedbyErrata,theoriginalinterpretationnumberwiththesuffixEisused.ASME procedures provide for reconsideration of these interpretations when or if additionalinformation is available which the inquirer believes might affect the interpretation. Further,persons aggrieved by
5、 an interpretation may appeal to the cognizant ASME committee or subcom-mittee. As stated in the Statement of Policy in the Code documents, ASME does not “approve,”“certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.For detailed instructions on the preparation of
6、technical inquiries to the B31 Committee, referto Mandatory Appendix IV.I-1ASME B31.9 INTERPRETATIONSInterpretation: 9-16Subject: Piping Designed to B31.1 RequirementsDate Issued: January 27, 2010File: 09-1586Question: Does piping that is designed and constructed in accordance with ASME B31.1 meetth
7、e design and construction requirements of B31.9?Reply: Yes, provided the wall thickness meets the requirements of para. 904.1.1 using theallowable stress specified in Table I-1 and as long as the pressure, temperature, size, etc. arewithin the scope of B31.9-2008, para. 900.1.I-2ASME B31.9 INTERPRET
8、ATIONSASME B31.9 INTERPRETATIONSReplies to Technical InquiriesJanuary 2003 Through August 2007FOREWORDIt has been agreed to publish interpretations isssued by the B31 Committee concerning B31.9as part of the update service to the Code. The interpretations have been assigned numbers inchronological o
9、rder. Each interpretation applies to the latest Edition at the time of issuance ofthe interpretation or the Edition stated in the reply. Subsequent revisions to the Code may havesuperseded the reply. The interpretations are not part of the Code.These replies are taken verbatim from the original lett
10、ers, except for a few typographical andeditorial corrections made for the purpose of improved clarity. In some instances, a review ofthe interpretation revealed a need for corrections of a technical nature. In these cases, a revisedreply, bearing the original interpretation number with the suffix R,
11、 is presented. In the case whereaninterpretationiscorrectedbyErrata,theoriginalinterpretationnumberwiththesuffixEisused.ASME procedures provide for reconsideration of these interpretations when or if additionalinformation is available which the inquirer believes might affect the interpretation. Furt
12、her,persons aggrieved by an interpretation may appeal to the cognizant ASME committee or subcom-mittee. As stated in the Statement of Policy in the Code documents, ASME does not “approve,”“certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.For detailed instruction
13、s on the preparation of technical inquiries to the B31 Committee, referto Mandatory Appendix IV.I-1ASME B31.9 INTERPRETATIONSInterpretation: 9-13Subject: Initial Service Leak Testing (1996 Edition)Date Issued: October 26, 2006File: 06-37Question: Is initial service leak testing in lieu of a hydrosta
14、tic test permissible for a watersystem with a 150 psig design pressure, 150F design temperature, and a maximum operatingpressure of 100 psig?Reply: Yes; see para. 937.1.Interpretation: 9-14Subject: Paragraph 907.1.2, Use of Ball Valves Manufactured to MSS SP-110 (1996 Edition)Date Issued: August 1,
15、2007File: 07-1249Question: May bronze ball valves meeting the requirements of MSS SP-110 made from ASTMB 61, C92200 or ASTM B 62, C93600, be used for construction to the requirements of ASMEB31.9-2004?Reply: Yes. The manufacturer of the valve shall be responsible for establishing the pressureand tem
16、perature limits for their use.Interpretation: 9-15Subject: Paragraph 927.6.3, Welder Qualification (2004 Edition)Date Issued: August 21, 2007File: 06-1179Question: Does B31.9, para. 927.6.3, permit continuity records to be updated by the employerof a welder or brazer even though the welder or brazer
17、s current employer may not be the sameemployer who qualified that welder?Reply: Yes.I-2ASME B31.9 INTERPRETATIONSASME B31.9 INTERPRETATIONSReplies to Technical InquiriesJanuary 2003 Through August 2007FOREWORDIt has been agreed to publish interpretations isssued by the B31 Committee concerning B31.9
18、as part of the update service to the Code. The interpretations have been assigned numbers inchronological order. Each interpretation applies to the latest Edition at the time of issuance ofthe interpretation or the Edition stated in the reply. Subsequent revisions to the Code may havesuperseded the
19、reply. The interpretations are not part of the Code.These replies are taken verbatim from the original letters, except for a few typographical andeditorial corrections made for the purpose of improved clarity. In some instances, a review ofthe interpretation revealed a need for corrections of a tech
20、nical nature. In these cases, a revisedreply, bearing the original interpretation number with the suffix R, is presented. In the case whereaninterpretationiscorrectedbyErrata,theoriginalinterpretationnumberwiththesuffixEisused.ASME procedures provide for reconsideration of these interpretations when
21、 or if additionalinformation is available which the inquirer believes might affect the interpretation. Further,persons aggrieved by an interpretation may appeal to the cognizant ASME committee or subcom-mittee. As stated in the Statement of Policy in the Code documents, ASME does not “approve,”“cert
22、ify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.For detailed instructions on the preparation of technical inquiries to the B31 Committee, referto Mandatory Appendix IV.I-1ASME B31.9 INTERPRETATIONSInterpretation: 9-13Subject: Initial Service Leak Testing (1996 Edit
23、ion)Date Issued: October 26, 2006File: 06-37Question: Is initial service leak testing in lieu of a hydrostatic test permissible for a watersystem with a 150 psig design pressure, 150F design temperature, and a maximum operatingpressure of 100 psig?Reply: Yes; see para. 937.1.Interpretation: 9-14Subj
24、ect: Paragraph 907.1.2, Use of Ball Valves Manufactured to MSS SP-110 (1996 Edition)Date Issued: August 1, 2007File: 07-1249Question: May bronze ball valves meeting the requirements of MSS SP-110 made from ASTMB 61, C92200 or ASTM B 62, C93600, be used for construction to the requirements of ASMEB31
25、.9-2004?Reply: Yes. The manufacturer of the valve shall be responsible for establishing the pressureand temperature limits for their use.Interpretation: 9-15Subject: Paragraph 927.6.3, Welder Qualification (2004 Edition)Date Issued: August 21, 2007File: 06-1179Question: Does B31.9, para. 927.6.3, pe
26、rmit continuity records to be updated by the employerof a welder or brazer even though the welder or brazers current employer may not be the sameemployer who qualified that welder?Reply: Yes.I-2STD-ASME B3L.9 INT NO- 3-ENGL m 0757670 05802b7 280 m ASME B31.9 INTERPRETATIONS NO. 3 Replies to Technica
27、l Inquiries October 21,1992, Through January 10,1997 This publication includes all written interpretations issued between the indicated dates by the B31 Committee in response to inquiries concerning interpretations of the Code. A contents is also included which lists subjects specific to the interpr
28、etations covered in the individual volume. These interpretations are not a part of the Code or the Addenda. These interpretations are taken verbatim from the original letters, except for a few typographical and editorial corrections made for the purpose of improved clarity. In some instances, a revi
29、ew of the interpretation revealed a need for corrections of a technical nature. In these cases, a revised interpretation is presented bearing the original Interpretation Number with the suffix R and the original file number with an asterisk. In the event that an interpretation is corrected by Errata
30、, the original interpretation number with the suffix E is used. Following these revised interpretations, new interpretations and revisions to them issued during the indicated dates are assigned Interpretation Numbers in chronological order. Interpretations applying to more than one Code Section appe
31、ar with the interpretations for each affected Section. ASME procedures provide for reconsideration of these interpretations when or if additional information is available which the inquirer believes might affect the interpretation. Further, persons aggrieved by an interpretation may appeal to the co
32、gnizant ASME committee or subcommittee. As stated in the Statement of Policy in the Code documents, ASME does not “approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity. An interpretation applies either to the Edition and Addenda in effect on the date of i
33、ssuance of the interpretation or the Edition and Addenda stated in the interpretation. Subsequent revisions to the Code may supersede the interpretation. Interpretations Nos. 1 and 2 were included with the update service to the 1988 Edition. The update service to the 1996 Edition begins with Interpr
34、etations No. 3. For the 1996 Edition, interpretations will be issued as necessary up to twice a year until the publication of the 1999 Edition. For detailed instructions on preparation of technical inquiries to the B3 1 Committee, refer to Appendix D. 9 STD-ASME B31.9 INT NO- 3-ENGL 0757b70 0580270
35、TT2 m B31.9 Subject . Interpretation Use of A 120 Steel Pipe 9-1 Para . 900.1 Scope . 9-2 Hydrotest Preparation 9-3 Para . 900.1 Scope . 9-4 Rules for In-Line Sensing Devices 9-5 Paras . 936.5 and 936.6 . 9-6 Para . 900 .I . 2(c) and 9OO.1.2(e). 9-7 Para . 936.4.1, Visual Examination 9-8 File No . 1
36、666 1607 B3 1-86-033 B31A 1-84-2 B31 -88-28F B31-92-01 B3 1-92-58 B31-96-033 STD-ASME B3L.9 INT NO. 3-ENGL m 0759b70 0580271 937 831.9 Interpretations No. 3 9-6, 9-7, 9-8 Interpretation: 9-6 Subject: Paras. 936.5 and 936.6 Date Issued: October 21, 1992 File: B31-92-01 Question: Paragraph 936.5 (B31.
37、9-1988) states that visual examination is to be used to examine welds. If radiographic inspection or examination is required by the design specification, are the acceptance criteria as required by para. 936.6? Reply: Yes, unless changed by the design documents. Interpretation: 9-7 Subject: Paras. 90
38、0.1.2(cI and 900.1.2(e) Date Issued: August 31, 1992 File: B31-92-58 Question: Is 16 in. diameter, schedule 80 (T, = 0.844 in.) A106B steel pipe for underground chilled water service (design conditions: 831.9, 90 psig at 60F, tm = 0.048 in.), within the scope of 831.9 versus B31.1? Reply: No. Interp
39、retation: 9-8 Subject: Para. 936.4.1, Visual Examination Date Issued: January IO, 1997 File: 831-96-033 Question (1): Does visual examination include the use of lights and mirrors? Reply (I): Yes. Question (2): Does visual examination include the use of boroscopes? Reply (2): No. 11 STD-ASME B31.7 I
40、NT NO . 1-ENGL m 0759b70 0580272 875 ASME CODE FOR PRESSURE PIPING. B31 B31.1 B3 1.2 B3 1.3 B3 1.4 B3 1.5 B31.8 B3 I . 9 B31.11 Power Piping . 1995 Fuel Gas Piping . 1968 Process Piping 1996 Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids . 1992 Refrigeration Piping . 1992
41、Gas Transmission and Distribution Piping Systems . 1995 Building Services Piping . 1996 Slurry Transportation Piping Systems . 1989 B31G-1991 Manual for Determining the Remaining Strength of Corroded Pipelines: A Supplement to ASME B31 Code for Pressure Piping NOTE: (1) USAS B31.2-1968 was withdrawn
42、 as an American National Standard on February 18. 1988 . ASME will continue to make available USAS 831.2-1968 as a historical document for a period of time . STD-ASME B3109 INT NO. 2-ENGL 0757b70 05802b7 408 D ASME/ANSI B31e9 INTERPRETATIONS NOe 2 Replies to Technical Inquiries August 1,1988, Throug
43、h March 15,1991 It has been agreed to publish interpretations issued by the B3 1 Committee concerning B31.9 as part of the update service to the Code. The interpretations have been assigned numbers in chronological order. Each interpretation applies either to the latest Edition or Addenda at the tim
44、e of issuance of the interpretation or the Edition or Addenda stated in the reply. Subsequent revisions to the Code may have superseded the reply. The interpretations are not part of the Code or the Addenda. These replies are taken verbatim from the original letters, except for a few typographical a
45、nd editorial corrections made for the purpose of improved clarity. In some instances, a review of the interpretation revealed a need for corrections of a technical nature. In these cases, a revised reply bearing the original interpretation number with the suffix R is presented. In the case where an
46、interpretation is corrected by Errata, the original interpretation number with the suffix E is used. ASME procedures provide for reconsideration of these interpretations when or if additional information is available which the inquirer believes might affect the interpretation. Further, persons aggri
47、eved by an interpretation may appeal to the cognizant ASME committee or subcommittee. As stated in the Statement of Policy in the Code documents, ASME does not “approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity. For detailed instructions on the prepara
48、tion of technical inquiries to the B31 Committee, refer to Appendix D. 5 STD-ASME B3107 INT NO* 2-ENGL m 0757b70 05802bA 344 W 631.9 Interpretations No. 2 Interpretation: 9-5 Subject: Rules for ln-Line Sensing Devices Date Issued: October 9, 1989 File: B31-88-28F Question: Does ASME/ANSI B31.9 requi
49、re that the pressure containing portion of an in-line sensing device be designed, fabricated, examined, and tested in accordance with the rules of B31.9? Reply: Yes. 9-5 7 STD*ASME B3L.9 INT NO* L-ENGL m 0759b70 05802b4 7T9 W ASME/ANSI B31.9 INTERPRETATIONS NO. 1 Replies to Technical Inquiries October 26,1983, Through July 31,1988 It has been agreed to publish interpretations isssued by the B3 1 Committee concerning B31.9 as part of the update service to the Code. The interpretations have been assigned numbers in chronological order. Each interpretation applies to the latest Edition or
