ASTM F1948-15
(Specification)Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing
Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing
ABSTRACT
This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing. Types of mechanical fittings: clamped insert fitting; compression fitting; compression gasket fitting; and stab-type fitting. The following tests shall be performed: tensile strength test; temperature cycling test; constant tensile load joint test; and elevated temperature sustained pressure test.
SCOPE
1.1 This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing as specified in Specification D2513.
1.2 The test methods described are not intended to be routine quality control tests.
1.3 This specification covers the types of mechanical fittings described in 3.3.
1.4 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.
1.5 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification. This standard may involve hazardous material, operations and equipment. 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.
1.6 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures), shall not be considered as requirements of the standard.
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Designation:F1948 −15 An American National Standard
Standard Specification for
Metallic Mechanical Fittings for Use on Outside Diameter
1
Controlled Thermoplastic Gas Distribution Pipe and Tubing
This standard is issued under the fixed designation F1948; 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* D2513Specification for Thermoplastic Gas Pressure Pipe,
Tubing, and Fittings
1.1 This specification covers requirements and test methods
E515Practice for Leaks Using Bubble EmissionTechniques
forthequalificationofmetallicmechanicalfittingsforusewith
F412Terminology Relating to Plastic Piping Systems
outside diameter controlled thermoplastic gas distribution pipe
F1588Test Method for Constant Tensile Load Joint Test
and tubing as specified in Specification D2513.
(CTLJT)
1.2 The test methods described are not intended to be
F2785Specification for Polyamide 12 Gas Pressure Pipe,
routine quality control tests.
Tubing, and Fittings
1.3 Thisspecificationcoversthetypesofmechanicalfittings F2897Specification for Tracking and Traceability Encoding
System of Natural Gas Distribution Components (Pipe,
described in 3.3.
Tubing, Fittings, Valves, and Appurtenances)
1.4 Thevaluesstatedininch-poundunitsaretoberegarded
F2945Specification for Polyamide 11 Gas Pressure Pipe,
as standard. The values given in parentheses are mathematical
Tubing, and Fittings
conversions to SI units that are provided for information only
2.2 ASME Standard:
and are not considered standard.
ASME B 31.8Gas Transmission and Distribution Piping
1.5 The following safety hazards caveat pertains only to the
3
Systems
test method portion, Section 7, of this specification. This
2.3 Federal Specification:
standard may involve hazardous material, operations and
4
OPS Part 192 Title 49,Code of Federal Regulations
equipment. This standard does not purport to address all of the
2.4 Other Document:
safety concerns, if any, associated with its use. It is the
PPI TR-4Recommended Hydrostatic Strengths and Design
responsibility of the user of this standard to establish appro-
5
Stresses for Thermoplastic Pipe and Fitting Compounds
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3. Terminology
1.6 The text of this standard references notes and footnotes
3.1 Definitions are in accordance with Definitions F412
whichprovideexplanatorymaterial.Thesenotesandfootnotes
unless otherwise specified. Abbreviations are in accordance
(excluding those in tables and figures), shall not be considered
with Abbreviations D1600 unless otherwise specified.
as requirements of the standard.
3.1.1 Thegasindustryterminologyusedinthisspecification
2. Referenced Documents
is in accordance with ASME/ANSI B31.8 or United States
2
CFR 49 Part 192 unless otherwise indicated.
2.1 ASTM Standards:
3.1.2 The term “pipe” used herein refers to both pipe and
D638Test Method for Tensile Properties of Plastics
tubing unless specifically stated otherwise. The term “fitting”
D1598Test Method for Time-to-Failure of Plastic Pipe
refers to a mechanical connecting device as described in 3.2.5
Under Constant Internal Pressure
and 3.2.7.
D1600TerminologyforAbbreviatedTermsRelatingtoPlas-
tics
3.2 Definitions:
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
3
Piping Systems, and is the direct responsibility of Subcommittee F17.60 on Gas. Available from American Society of Mechanical Engineers (ASME), ASME
Current edition approved Dec. 1, 2015. Published February 2016. Originally International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
published in 1999. Last previous edition approved in 2012 as F1948–12. DOI: www.asme.org.
4
10.1520/F1948-15. Available from the Office of Pipeline Safety, Research and Special Programs
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Administration, U.S. Department of Transportation, 400 Seventh Street, S.W.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Washington, DC, 20006-1301.
5
Standards volume information, refer to the standard’s Document Summary page on Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,
the ASTM website. Irving, TX 75062, http://www.plasticpipe.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F1948−15
3.2.1 Category 1 mechanical fitting, n—fitting for assem- 3.3.4 stab-type fitting, n—me
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F1948 − 12 F1948 − 15
Standard Specification for
Metallic Mechanical Fittings for Use on Outside Diameter
1
Controlled Thermoplastic Gas Distribution Pipe and Tubing
This standard is issued under the fixed designation F1948; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with
outside diameter controlled thermoplastic gas distribution pipe and tubing as specified in Specification D2513.
1.2 The test methods described are not intended to be routine quality control tests.
1.3 This specification covers the types of mechanical fittings described in 3.3.
1.4 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.
1.5 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification.This standard
may involve hazardous material, operations and equipment. 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.
1.6 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes
(excluding those in tables and figures), shall not be considered as requirements of the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
D638 Test Method for Tensile Properties of Plastics
D1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure
D1600 Terminology for Abbreviated Terms Relating to Plastics
D2513 Specification for Thermoplastic Gas Pressure Pipe, Tubing, and Fittings
E515 Practice for Leaks Using Bubble Emission Techniques
F412 Terminology Relating to Plastic Piping Systems
F1588 Test Method for Constant Tensile Load Joint Test (CTLJT)
F2785 Specification for Polyamide 12 Gas Pressure Pipe, Tubing, and Fittings
F2897 Specification for Tracking and Traceability Encoding System of Natural Gas Distribution Components (Pipe, Tubing,
Fittings, Valves, and Appurtenances)
F2945 Specification for Polyamide 11 Gas Pressure Pipe, Tubing, and Fittings
2.2 ASME Standard:
3
ASME B 31.8 Gas Transmission and Distribution Piping Systems
2.3 Federal Specification:
4
OPS Part 192 Title 49, Code of Federal Regulations
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems, and is the direct responsibility of Subcommittee F17.60 on Gas.
Current edition approved April 1, 2012Dec. 1, 2015. Published May 2012February 2016. Originally published in 1999. Last previous edition approved in 20112012 as
F1948–05(2011).F1948–12. DOI: 10.1520/F1948-12.10.1520/F1948-15.
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
4
Available from the Office of Pipeline Safety, Research and Special Programs Administration, U.S. Department of Transportation, 400 Seventh Street, S.W., Washington,
DC, 20006-1301.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F1948 − 15
2.4 Other Document:
5
PPI TR-4 Recommended Hydrostatic Strengths and Design Stresses for Thermoplastic Pipe and Fitting Compounds
3. Terminology
3.1 Definitions are in accordance with Definitions F412 unless otherwise specified. Abbreviations are in accordance with
Abbreviations D1600 unless otherwise specified.
3.1.1 The gas industry terminology used in this specification is in accordance with ASME/ANSI B31.8 or United States CFR
49 Part 192 unless otherwise indicated.
3.1.2 The term “pipe” used herein refers
...
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