Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) Tubing

ABSTRACT
This specification covers the requirements for materials, workmanship, dimensions, performance, and markings for metal insert fittings with o-ring seals and copper crimp rings for use with SDR9 cross-linked polyethylene and SDR9 cross-linked polyethylene/aluminum/cross-linked polyethylene tubing systems. The fittings shall be made from one of the following metals: cast copper alloys, machined brass, forged brass, crimp rings, or o-rings. Insert fittings shall be joined to the tubing by compression of a copper crimp ring around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by ribs on the fitting. Performance tests shall be conducted on the assemblies to determine the material and dimensional requirements of the specimens. Marking shall be applied to the fittings in such a manner that it remains legible after installation and inspection.
SCOPE
1.1 This specification covers metal insert fittings with o-ring seals and copper crimp rings for use with Cross-linked Polyethylene (PEX) and Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) tubing in 1/2, 3/4, 1 and 11/4 in. nominal diameters that meet the requirements for Specifications F 876 and F 2262. These fittings are intended for use in 125 psi (861.9 kPa) (PEX-AL-PEX) and 100 psi (689.5 kPa) (PEX) cold- and hot-water distribution systems operating at temperatures up to and including 180F (82C). Included are the requirements for materials, workmanship, dimensions, performance, and markings to be used on the fittings and rings.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered the standard.
1.3 Compliance with this specification requires that these fittings be tested and certified to Specification F 877 and F 2262.
1.4 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.

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Status
Historical
Publication Date
31-Oct-2005
Technical Committee
Drafting Committee
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ASTM F2434-05 - Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) Tubing
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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
An American National Standard
Designation: F 2434 – 05
Standard Specification for
Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9
Cross-linked Polyethylene (PEX) Tubing and SDR9 Cross-
linked Polyethylene/Aluminum/Cross-linked Polyethylene
1
(PEX-AL-PEX) Tubing
This standard is issued under the fixed designation F 2434; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope B 140/B 140M Specification for Copper-Zinc-Lead
(Leaded Red Brass or Hardware Bronze) Rod, Bar, and
1.1 Thisspecificationcoversmetalinsertfittingswitho-ring
Shapes
seals and copper crimp rings for use with Cross-linked Poly-
B 283 SpecificationforCopperandCopper-AlloyDieForg-
ethylene (PEX) and Cross-linked Polyethylene/Aluminum/
1 3 ings (Hot-Pressed)
Cross-linked Polyethylene (PEX-AL-PEX) tubing in ⁄2, ⁄4, 1
B 584 Specification for Copper Alloy Sand Castings for
1
and 1 ⁄4 in. nominal diameters that meet the requirements for
General Applications
SpecificationsF 876andF 2262.Thesefittingsareintendedfor
D 1600 Terminology for Abbreviated Terms Relating to
use in 125 psi (861.9 kPa) (PEX-AL-PEX) and 100 psi (689.5
Plastics
kPa) (PEX) cold- and hot-water distribution systems operating
D 2122 Test Method for Determining Dimensions of Ther-
at temperatures up to and including 180°F (82°C). Included are
moplastic Pipe and Fittings
the requirements for materials, workmanship, dimensions,
E18 Test Methods for Rockwell Hardness and Superficial
performance, and markings to be used on the fittings and rings.
Hardness of Metallic Materials
1.2 The values stated in inch-pound units are to be regarded
F 412 Terminology Relating to Plastic Piping Systems
asthestandard.Thevaluesgiveninparenthesesaremathemati-
F 876 Specification for Cross-linked Polyethylene (PEX)
cal conversions to SI units which are provided for information
Tubing
only and are not considered the standard.
F 877 Specification for Cross-linked Polyethylene (PEX)
1.3 Compliance with this specification requires that these
Plastic Hot- and Cold-Water Distribution Systems
fittings be tested and certified to Specification F 877 and
F 2262 Specification for Cross-linked Polyethylene/
F 2262.
Aluminum/Cross-linked Polyethylene Tubing OD Con-
1.4 This standard does not purport to address all of the
trolled SDR9
safety concerns, if any, associated with its use. It is the
2.2 ASME Standards:
responsibility of the user of this standard to establish appro-
3
B1.20.1 Pipe Threads General Purpose (Inch)
priate safety and health practices and determine the applica-
3
B16.18 Cast Copper Alloy Solder Joint Pressure Fittings
bility of regulatory limitations prior to use.
B16.22 Wrought Copper and Copper Alloy Solder Joint
3
2. Referenced Documents
Pressure Fittings
2
2.3 Manufacturer’s Standardization Society Standard:
2.1 ASTM Standards:
4
SP-104 Wrought Copper Solder Joint Pressure Fittings
B16 Specification for Free-Cutting Brass Rod, Bar, and
2.4 NSF International Standards:
Shapes for Use in Screw Machines
NSF/ANSI 14 Plastic Piping Components and Related Ma-
B62 Specification for Composition Bronze or Ounce Metal
5
terials
Castings
NSF/ANSI 61 Drinking Water System Components-Health
5
Effects
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.
3
Current edition approved Nov. 1, 2005. Published November 2005. Originally Available from American Society of Mechanical Engineers (ASME), ASME
approved in 2004. Last previous edition approved in 2004 as F2435 - 04. International Headquarters, Three Park Ave., New York, NY 10016-5990.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602.
5
Standards volume information, refer to the standard’s Document Summary page on Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd.,Ann
the ASTM website. Arbor, MI 48113-0140.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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F2434–05
3. Terminology 6.4 General—All performance tests shall be performed on
assemblies of fittings, crimp rings, PEX, and PEX-AL-PEX
3.1 Definitions are in accordance with Terminology F 412
tubing. Fittings and crimp rings shall meet the material and
and abbreviations are in accordance withTerminology D 1600,
dimensional re
...

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