ASTM F2145-2001 Standard Specification for Polyamide 11 (PA 11) Mechanical Fittings for Use on Outside Diameter Controlled Polyamide 11 Pipe and Tubing《外径受控的聚酰胺11管用聚酰胺11(PA 11)机械配件.pdf
《ASTM F2145-2001 Standard Specification for Polyamide 11 (PA 11) Mechanical Fittings for Use on Outside Diameter Controlled Polyamide 11 Pipe and Tubing《外径受控的聚酰胺11管用聚酰胺11(PA 11)机械配件.pdf》由会员分享,可在线阅读,更多相关《ASTM F2145-2001 Standard Specification for Polyamide 11 (PA 11) Mechanical Fittings for Use on Outside Diameter Controlled Polyamide 11 Pipe and Tubing《外径受控的聚酰胺11管用聚酰胺11(PA 11)机械配件.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F 2145 01An American National StandardStandard Specification forPolyamide 11 (PA 11) Mechanical Fittings for Use onOutside Diameter Controlled Polyamide 11 Pipe and Tubing1This standard is issued under the fixed designation F 2145; the number immediately following the designation indica
2、tes 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification describes requirements a
3、nd test meth-ods for the qualification of Polyamide 11 (PA 11) bodiedmechanical fittings for use with outside diameter controlledPolyamide 11 (PA 11) pipe, nominal 2 pipe size (IPS), andsmaller complying with Specification D 2513. In addition, itspecifies general requirements of the material from wh
4、ich thesefittings are made.1.2 The test methods described in this specification are notintended to be used as routine quality tests.1.3 This specification covers the types of mechanical fittingscovered in 3.2.1.1.4 The values stated in inch-pound units are to be regardedas the standard. The values g
5、iven in parentheses are forinformation only.1.5 The following safety hazards caveat pertains only to thetest methods portion, Section 7, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof
6、this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory require-ments prior to use.1.6 The text of this specification references notes andfootnotes, which provide explanatory material. These notes andfootnotes (excluding those in tables and fig
7、ures) shall not beconsidered as requirements of this specification.2. Referenced Documents2.1 ASTM Standards:D 638 Test Method for Tensile Properties of Plastics2D 1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal Pressure3D 1600 Terminology for Abbreviated Terms Relating t
8、oPlastics2D 2513 Specification for Thermoplastic Gas Pressure Pipe,Tubing, and Fittings3D 2837 Test Method for Obtaining Hydrostatic DesignBasics for Thermoplastic Pipe Materials3F 412 Terminology Relating to Plastic Piping Systems3F 1588 Test Method for Constant Tensile Load Joint Test(CTLJT)32.2 A
9、SME Standard:ASME B31.8 Gas Transmission and Distribution PipingSystems42.3 Federal Standard:CFR, Title 49, Part 192 Pipeline Safety Regulations52.4 Plastic Pipe Institute Standard:PPI TR-4 PPI Listing of Hydrostatic Design Bases (HDB),Pressure Design Bases (PDB), and Minimum RequiredStrength (MRS)
10、Ratings for Thermoplastic Piping Mate-rials or Pipe63. Terminology3.1 DefinitionsDefinitions of the terms used in this speci-fication are in accordance with Terminology F 412 unlessotherwise specified. Abbreviations are in accordance withTerminology D 1600 unless otherwise specified.3.1.1 The Gas In
11、dustry Terminology is in accordance withASME B31.8 or CFR, Title 49, Part 192 unless otherwisespecified.3.1.2 The term “pipe” refers to both “pipe” and “tubing”.The term “fitting” refers to a mechanical connecting device asdescribed in 3.1.4 and 3.1.6.3.1.3 joint, nthe location at which two pieces o
12、f pipe anda fitting are connected together. For example, an installedcoupling has two joints.3.1.4 joint, mechanical, na connection between pipingcomponents and employing physical force to develop a seal orproduce alignment.3.1.5 long-term-strength (LTS), nthe estimated tensilestress that when appli
13、ed continuously will cause failure at1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Oct. 10, 2001. Published December 2001.2Annual Book of ASTM Standards, Vol 08
14、.01.3Annual Book of ASTM Standards, Vol 08.04.4Available from American Society of Mechanical Engineers, Three ParkAvenue, New York, NY 10016-5990.5Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington D.C. 20402.6Available from Plastic Pipe Institute, 1825 Connecticu
15、t Ave., NW Suite 680,Washington D.C. 20009.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.100 000 h. This is the intercept of the stress regression line withthe 100 000 h coordinate.3.1.6 mechanical fitting, nfitting for making a me
16、chanicaljoint to provide for pressure integrity, leak tightness, andresistance to end loads.3.1.6.1 category 1 mechanical fitting, nfitting for assem-bling pipes, which includes a compression zone to provide forpressure integrity, leak tightness, and resistance to end loadssufficient to cause no les
17、s than 25 % elongation of the PA11piping as described in this specification.3.1.7 MAOP, nThe Maximum Allowable Operating Pres-sure of the fuel gas piping system in psig as determined inaccordance with CFR, Title 49, Part 192 and as represented inthe following:MAOP 5 P 5 2 3 S/DR21! 3 fD(1)where:S =
18、the PA 11 materials HDB as published in PPI TR-4,DR = the pipes dimension ratio determined by dividing thepipes specified nominal outside diameter by thepipes specified wall thickness; and,fD= the design factor for thermoplastic fuel gas piping asset by the authority having jurisdiction. In the Unit
19、edStates, the design factor is cited in CFR, Title 49, Part192.121.3.2 Definitions of Terms Specific to This Standard:3.2.1 Types of Mechanical Fittings:3.2.2 in-line fitting, nmechanical fitting used to make amechanical joint where the bore axis of compression andsealing zones of the fitting is ess
20、entially the same as theconnected pipe, for example, couplings, ells, and tees.3.2.3 mechanical saddle fitting, nmechanical fitting usedto make a mechanical joint that allows a lateral connection toan exiting main in which a portion of the fitting is contoured tomatch the O.D. of the pipe to which i
21、t is attached. Hereinreferred to as the saddle fitting mating pipe or main pipe size.4. Materials and Manufacture Requirements4.1 Polyamide 11 (PA 11) pressure containing materialssubject to continuous stress, either hoop or axial, shall meet therequirements of Specification D 2513, Annex A5, have a
22、nASTM material specification, and the materials long-termstrength, such as the long-term hydrostatic strength, deter-mined in accordance with Test Method D 2837, excepting thatfailure data can be obtained from specimens such as thefollowing: tensile bars, plane strain, or actual fitting samples.4.2
23、The physical properties of the PA 11 material used toproduce the fitting shall be available from the fitting manufac-turer upon request.4.3 Specifications outlining all the physical properties andeffects of environmental conditions for the PA 11 material usedto produce the fitting shall be available
24、 from the fittingmanufacturer upon request.NOTE 1Materials in long term contact with natural gas of line qualityand LP gas vapor should be demonstrated not to adversely affect theperformance of the fitting.NOTE 2Materials should have demonstrated resistance to environ-mental stress cracking when exp
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