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ASTM F2945-12a

(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.Note 1—Heat fusion joining of PA11 pipe and fittings meeting the requirements of this standard is limited to PA11 pipe and fittings meeting the requirements of this Standard. Heat Fusion joining of PA11 pipe and fittings meeting the requirements of this standard is not allowed to pipes and fittings made from any other thermoplastic materials (for example, PA12, PEs, PVCs, etc.).

General Information

Status
Historical
Publication Date
26-Nov-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

Replaces
ASTM F2945-12 - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
Effective Date
27-Nov-2012
Replaced By
ASTM F2945-15 - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
Effective Date
01-Mar-2015
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
27-Nov-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
27-Nov-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
27-Nov-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
27-Nov-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
27-Nov-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
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
27-Nov-2012

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ASTM F2945-12a - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and FittingsASTM F2945-12a - Standard Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
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ASTM F2945-12a - 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 −12a
StandardSpecification 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.
Balloted changes were added, and the year date was changed on November 27, 2012.
1. Scope 2. Referenced Documents
2
1.1 This specification covers requirements and test methods 2.1 ASTM Standards:
for the characterization of polyamide 11 pipe, tubing, and D543Practices for Evaluating the Resistance of Plastics to
fittingsforuseinfuelgaspiping.Thepipeandfittingscovered Chemical Reagents
bythisspecificationareintendedforuseinthetransportoffuel D618Practice for Conditioning Plastics for Testing
gases. D638Test Method for Tensile Properties of Plastics
1.1.1 This specification does not cover threaded pipe. Ge- D648Test Method for Deflection Temperature of Plastics
neric fusion guidelines are given in Appendix X1. Design Under Flexural Load in the Edgewise Position
considerations are discussed in Appendix X2. In-plant quality D789Test Methods for Determination of Solution Viscosi-
control programs are specified in Annex A1. ties of Polyamide (PA)
D790Test Methods for Flexural Properties of Unreinforced
1.2 Thetextofthisspecificationreferencesnotes,footnotes,
and Reinforced Plastics and Electrical Insulating Materi-
and appendixes which provide explanatory material. These
als
notesandfootnotes(excludingthoseintablesandfigures)shall
D792Test Methods for Density and Specific Gravity (Rela-
not be considered as requirements of the specification.
tive Density) of Plastics by Displacement
1.3 Thevaluesstatedininch-poundunitsaretoberegarded
D1598Test Method for Time-to-Failure of Plastic Pipe
as standard. The values given in parentheses are mathematical
Under Constant Internal Pressure
conversions to SI units that are provided for information only
D1599Test Method for Resistance to Short-Time Hydraulic
and are not considered standard.
Pressure of Plastic Pipe, Tubing, and Fittings
1.4 Thefollowingisanindexoftheannexesandappendixes D1600TerminologyforAbbreviatedTermsRelatingtoPlas-
tics
in this specification:
3
D1898Practice for Sampling of Plastics (Withdrawn 1998)
Annexes Subject
Annex A1 In-Plant Quality Control for sizes up to 12 in. D2122Test Method for Determining Dimensions of Ther-
Annex A2 PA-11 Butt Fusion Fittings
moplastic Pipe and Fittings
Appendixes Subject
D2290Test Method for Apparent Hoop Tensile Strength of
Appendix X1 Butt Fusion Guidelines for PA-11 Piping
Appendix X2 Design Consideration
Plastic or Reinforced Plastic Pipe
D2774PracticeforUndergroundInstallationofThermoplas-
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the tic Pressure Piping
D2837Test Method for Obtaining Hydrostatic Design Basis
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- forThermoplasticPipeMaterialsorPressureDesignBasis
for Thermoplastic Pipe Products
bility of regulatory limitations prior to use.
D3418Test Method for Transition Temperatures and En-
NOTE 1—Heat fusion joining of PA11 pipe and fittings meeting the
thalpies of Fusion and Crystallization of Polymers by
requirements of this standard is limited to PA11 pipe and fittings meeting
Differential Scanning Calorimetry
the requirements of this Standard. Heat Fusion joining of PA11 pipe and
fittings meeting the requirements of this standard is not allowed to pipes D4066Classification System for Nylon Injection and Extru-
and fittings made from any other thermoplastic materials (for example,
sion Materials (PA)
PA12, PEs, PVCs, etc.).
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This test method is under the jurisdiction ofASTM Committee F17 on Plastic contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Piping Systems and is the direct responsibility of Subcommittee F17.60 on Gas. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Nov. 27, 2012. Published December 2012. Orginally the ASTM website.
3
approved in 2012. Last previous edition approved in 2012 as F2945–12. DOI: The last approved version of this historical standard is referenced on
10.1520/D2945–12A. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F2945−12a
F412Terminology Relating to Plastic Piping Systems ISO 22621 Part 1Plastics
...

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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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1.1 This specification covers 0.070 in. wall thickness crosslinked polyethylene (PEX) tubing that is outside diameter controlled, and intended for non-potable radiant heating applications for pressures up to 75 psig in sizes 5/8 NTS (nominal tubing size) and 7/8 NTS. This specification also includes fittings that are specifically designed for this 0.070 in.-wall PEX tubing. Only maximum 75-psig relief valves shall be used with this tubing. Included in this specification are requirements and test methods for material, workmanship, dimensions, burst pressure, hydrostatic sustained pressure, environmental stress cracking, stabilizer functionality, bent-tube hydrostatic pressure, excessive temperature and degree of crosslinking. Requirements for tubing markings are also given. This specification incorporates an optional middle or outer oxygen barrier layer. This tubing is not intended for field bending at temperatures above 120 ºF (49 ºC).  
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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