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ASTM F2945-12

(Specification)

Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings

Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings

ABSTRACT
This specification covers requirements and test methods for the characterization of polyamide 11 pipe, tubing, and fittings for use in fuel gas piping. The pipe and fittings covered by this specification are intended for use in the transport of fuel gases. This specification does not cover threaded pipe. The polyamide 11 material used to make pipe and fittings shall be virgin or reworked material and shall have a Plastics Pipe Institute (PPI) long-term hydrostatic design stress and hydrostatic design basis rating as determined per PPI TR3 and PPI TR4. This specification deals with requirements for materials, requirements for pipe and fittings, test methods, marking, and quality Assurance.
SCOPE
1.1 This specification covers requirements and test methods for the characterization of polyamide 11 pipe, tubing, and fittings for use in fuel gas piping. The pipe and fittings covered by this specification are intended for use in the transport of fuel gases.  
1.1.1 This specification does not cover threaded pipe. Generic fusion guidelines are given in Appendix X1. Design considerations are discussed in Appendix X2. In-plant quality control programs are specified in Annex A1.  
1.2 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 The following is an index of the annexes and appendixes in this specification:    
Annexes  
Subject  
Annex A1  
In-Plant Quality Control for sizes up to 12 in.  
Annex A2  
PA-11 Butt Fusion Fittings  
Appendixes  
Subject  
Appendix X1  
Butt Fusion Guidelines for PA-11 Piping  
Appendix X2  
Design Consideration
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
14-Aug-2012
ICS
23.040.20 - Plastics pipes
23.040.45 - Plastics fittings
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.60 - Gas
Current Stage
Ref Project

Relations

Replaced By
ASTM F2945-12a - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
Effective Date
27-Nov-2012
Referred By
ASTM F3124-23 - Standard Practice for Data Recording the Procedure used to Produce Heat Butt Fusion Joints in Plastic Piping Systems or Fittings
Effective Date
15-Aug-2012
Referred By
ASTM F1733-20 - Standard Specification for Butt Heat Fusion Polyamide(PA) Plastic Fitting for Polyamide(PA) Plastic Pipe and Tubing
Effective Date
15-Aug-2012
Referred By
ASTM F2509-15(2019) - Standard Specification for Field-assembled Anodeless Riser Kits for Use on Outside Diameter Controlled Polyethylene and Polyamide-11 (PA11) Gas Distribution Pipe and Tubing
Effective Date
15-Aug-2012
Referred By
ASTM F3508-21a - Standard Guide for In-Situ Pipeline Renovation As Dual-Wall Composite Pipeline by Push/Pull Installation of Compressed-Fit Shape-Memory-Polymer Tubular (SMPT)
Effective Date
15-Aug-2012
Referred By
ASTM F1948-20 - Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing
Effective Date
15-Aug-2012
Referred By
ASTM F1973-21 - Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems
Effective Date
15-Aug-2012
Referred By
ASTM F2145-23 - Standard Specification for Polyamide 11 (PA 11) and Polyamide 12 (PA12) Mechanical Fittings for Use on Outside Diameter Controlled Polyamide 11 and Polyamide 12 Pipe and Tubing
Effective Date
15-Aug-2012

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ASTM F2945-12 - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and FittingsASTM F2945-12 - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
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ASTM F2945-12 - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F2945 −12
Standard Specification for
1
Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
This standard is issued under the fixed designation F2945; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D618Practice for Conditioning Plastics for Testing
D638Test Method for Tensile Properties of Plastics
1.1 This specification covers requirements and test methods
D789Test Methods for Determination of Solution Viscosi-
for the characterization of polyamide 11 pipe, tubing, and
ties of Polyamide (PA)
fittingsforuseinfuelgaspiping.Thepipeandfittingscovered
D1598Test Method for Time-to-Failure of Plastic Pipe
bythisspecificationareintendedforuseinthetransportoffuel
Under Constant Internal Pressure
gases.
D1599Test Method for Resistance to Short-Time Hydraulic
1.1.1 This specification does not cover threaded pipe. Ge-
Pressure of Plastic Pipe, Tubing, and Fittings
neric fusion guidelines are given in Appendix X1. Design
D1600TerminologyforAbbreviatedTermsRelatingtoPlas-
considerations are discussed in Appendix X2. In-plant quality
control programs are specified in Annex A1. tics
3
D1898Practice for Sampling of Plastics (Withdrawn 1998)
1.2 Thetextofthisspecificationreferencesnotes,footnotes,
D2122Test Method for Determining Dimensions of Ther-
and appendixes which provide explanatory material. These
moplastic Pipe and Fittings
notesandfootnotes(excludingthoseintablesandfigures)shall
D2290Test Method for Apparent Hoop Tensile Strength of
not be considered as requirements of the specification.
Plastic or Reinforced Plastic Pipe by Split Disk Method
1.3 Thevaluesstatedininch-poundunitsaretoberegarded
D2774PracticeforUndergroundInstallationofThermoplas-
as standard. The values given in parentheses are mathematical
tic Pressure Piping
conversions to SI units that are provided for information only
D2837Test Method for Obtaining Hydrostatic Design Basis
and are not considered standard.
forThermoplasticPipeMaterialsorPressureDesignBasis
1.4 Thefollowingisanindexoftheannexesandappendixes
for Thermoplastic Pipe Products
in this specification:
F412Terminology Relating to Plastic Piping Systems
Annexes Subject
F1025Guide for Selection and Use of Full-Encirclement-
Annex A1 In-Plant Quality Control for sizes up to 12 in.
Type Band Clamps for Reinforcement or Repair of Punc-
Annex A2 PA-11 Butt Fusion Fittings
Appendixes Subject tures or Holes in Polyethylene Gas Pressure Pipe
Appendix X1 Butt Fusion Guidelines for PA-11 Piping
F1473Test Method for Notch Tensile Test to Measure the
Appendix X2 Design Consideration
Resistance to Slow Crack Growth of Polyethylene Pipes
1.5 This standard does not purport to address all of the
and Resins
safety concerns, if any, associated with its use. It is the
F1733Specification for Butt Heat Fusion Polyamide(PA)
responsibility of the user of this standard to establish appro-
Plastic Fitting for Polyamide(PA) Plastic Pipe andTubing
priate safety and health practices and determine the applica-
F1973Specification for Factory Assembled Anodeless Ris-
bility of regulatory limitations prior to use.
ers and Transition Fittings in Polyethylene (PE) and
Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas
2. Referenced Documents
Distribution Systems
2
2.1 ASTM Standards:
F2138Specification for Excess FlowValves for Natural Gas
D543Practices for Evaluating the Resistance of Plastics to
Service
Chemical Reagents
F2145Specification for Polyamide 11 (PA 11) and Poly-
amide 12 (PA12) Mechanical Fittings for Use on Outside
DiameterControlledPolyamide11andPolyamide12Pipe
1
This test method is under the jurisdiction ofASTM Committee F17 on Plastic
and Tubing
Piping Systems and is the direct responsibility of Subcommittee F17.60 on Gas.
Current edition approved Aug. 15, 2012. Published . DOI: 10.1520/D2945–12
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F2945−12
F2600Specification for Electrofusion Type Polyamide-11 3.4.2 rounding equipment, n—equipment, devices, clamps,
Fittings for Outside Diameter Controlled Polyamide-11 and so forth, used to temporarily hold the pipe round while
Pipe and Tubing out-of-roundness measurements are made, or a joinin
...

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ASTM F2945-18(2023)(Specification)
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ABSTRACT
This specification covers requirements and test methods for the characterization of polyamide 11 pipe, tubing, and fittings for use in fuel gas piping. The pipe and fittings covered by this specification are intended for use in the transport of fuel gases. This specification does not cover threaded pipe. The polyamide 11 material used to make pipe and fittings shall be virgin or reworked material and shall have a Plastics Pipe Institute (PPI) long-term hydrostatic design stress and hydrostatic design basis rating as determined per PPI TR3 and PPI TR4. This specification deals with requirements for materials, requirements for pipe and fittings, test methods, marking, and quality Assurance.
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SIGNIFICANCE AND USE
3.1 This test method is applicable only for distinguishing between inadequately fused and adequately fused PVC. The difference between thermally degraded and adequately fused PVC cannot be detected by this test method. Acetone immersion testing is not a substitute for burst, impact, or other physical or chemical tests on PVC pipe or fittings and it, therefore, shall not be used as the only test specification for purchasing of PVC pipe and fittings. This test method only detects inadequate fusion and does not determine the over-all quality of the PVC pipe or fittings.  
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SCOPE
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This specification covers the basic requirements and corresponding test methods for poly(vinyl chloride) (PVC) plastic drain, waste, and vent (DWV) pipes and fittings that contain a uniform blend of virgin PVC compound and post-industrial recycle material. When evaluated by the test procedures provided herein, the pipes and fittings shall conform to specified values of the following requirements: dimensions; pipe stiffness, deflection load, lower confidence limit, and flattening resistance; crush resistance; impact resistance; hydrostatic burst resistance; and solvent cement.
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Note 1: Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious safety hazards should a system fail for any reason.  
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1.2 The text of this specification references notes, footnotes, and appendixes, which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 The following safety hazards caveat pertains only to the test methods portion, Section 7, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
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