ASTM F2434-04

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Designation: F 2434 – 04
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
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
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,
E 18 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-
B1.20.1 Pipe Threads General Purpose (Inch)
priate safety and health practices and determine the applica-
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
2. Referenced Documents
Pressure Fittings
2.3 Manufacturer’s Standardization Society Standard:
2.1 ASTM Standards:
SP-104 Wrought Copper Solder Joint Pressure Fittings
B 16 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-
B 62 Specification for Composition Bronze or Ounce Metal
terials
Castings
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings. Available from American Society of Mechanical Engineers (ASME), ASME
Current edition approved Dec. 1, 2004. Published December 2004. 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.
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.
F2434–04
NSF/ANSI 61 Drinking Water System Components-Health joint ends shall be in accordance with ASME B16.18, ASME
Effects B16.22,orMSS SP-104.
6.4 General—All performance tests shall be performed on
3. Terminology
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 requirements of this specification. PEX tubing
unless otherwise indicated. shall meet the requirements of Specification F 876. PEX-AL-
PEX tubing shall meet the requirements of Specification
4. Classification
F 2262. Assembly of test specimens shall be in accordance
4.1 This specification covers one class of fittings and copper
with 9.1.1. Use separate sets of assemblies for each perfor-
crimp rings suitable for use with tubing that meets the
mance test requirement. In addition, fittings shall be designed
requirements of Specifications F 876 and F 2262.
with sufficient overall dimensions to allow proper use of crimp
tool without interference with previously completed crimps on
5. Materials and Manufacture
the same fitting.
5.1 Fittings—The fittings shall be made from one of the
following metals:
7. Dimensions
5.1.1 Cast Copper Alloys—Cast copper alloy fittings shall
7.1 Dimensions and Tolerances—The dimensions and tol-
be made from material meeting the requirements of Specifica-
erances of fittings and crimp rings shall be as shown in Fig. 1,
tion B 584, copper alloy UNS C84400, C83800 or C89844 or
Fig. 3, Fig. 4, and Table 1, when measured in accordance with
SpecificationB62 copper alloy UNS C83600.
6.3.
5.1.2 Machined Brass—Machined brass fittings shall be
7.1.1 Alignment—The maximum angular variation of any
made from material meeting the requirements of Specification
opening shall not exceed 1° off the true centerline axis.
B 140/B 140M copper alloy UNS C31400, Specification B 283
7.1.2 Fittings with Solder Joint Ends—Solder joint ends
copper alloy UNS C37700 or SpecificationB16 copper alloy
shall be in accordance with ASME B16.22, ASME B16.18,or
UNS C36000.
MSS SP-104.
5.1.3 Forged Brass—Forged brass fittings shall be made
7.1.3 Tapered Threaded Ends—Fitting threads shall be
from material meeting the requirements of Specification B 283
right-hand conforming to ASME B1.20.1. They shall be taper
copper alloy UNS C37700.
threads (NPT).
5.2 Crimp Rings—Crimp rings shall be made from copper
UNS C10200, or C12200, and shall be black in color. The
8. Workmanship, Finish and Appearance
crimp rings shall have a minimum allowable hardness of 35
8.1 The sealing surfaces of the insert shall be smooth and
and a maximum allowable hardness of 45 on the Rockwell 15T
free of foreign material. Fitting walls shall be free of cracks,
scale when measured according to Test MethodsE18.
holes, blisters, voids, foreign inclusions, or other defects that
5.3 O-rings—O-rings used on the copper alloy fittings to
are visible to the unaided eye, that affect the wall integrity.
make a static seal shall be manufactured from ethylene
propylene rubber (EPDM) or silicone rubber (Si), with a Shore
9. Assembly
A durometer between 60 and 70 when tested in accordance
9.1 Crimp Joints—Insert fittings shall be joined to PEX, or
with Specification D 2240.
PEX-AL-PEX, tubing by the compression of a copper crimp
6. General Requirements
ring around the outer circumference of the tubing, forcing the
6.1 The following sections of Specifications F 877 and tubing material into annular spaces formed by ribs on the
F 2262 constitute a part of this specification. fitting. Insert fittings and crimp rings shall meet the dimen-
6.1.1 Use with PEX Tubing (F 877):
sional and material requirements of this standard. The dimen-
6.1.1.1 Requirements, sions and out-of-roundness of the crimp ring, after it has been
6.1.1.2 Test Methods, and crimped, shall be in accordance with Table 1.
6.1.2 Use with PEX-AL-PEX Tubing (F 2262): 9.1.1 Crimping Procedure—The crimping procedure shall
6.1.2.1 Performance Requirements of Connectors except be as follows: slide the crimp ring onto the tubing, insert the
product marking section. ribbed end of the fitting into the end of the tubing until the
6.1.3 Retest and Rejection. tubing contacts the shoulder of the fitting or tube stop. The
6.2 In addition, when a section with a title identical to that crimp ring shall then be positioned on the tubing so the edge of
1 1
referenced in 6.1, appears in this specification, it contains the crimp ring is ⁄8 to ⁄4 in. (3.2 to 6.4 mm) from the end of
additional requirements that supplement those appearing in the tube. The jaws of the crimping tool shall be centered over
Specifications F 877 a
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