ASTM F2098-08
(Specification)Standard Specification for Stainless Steel Clamps for Securing SDR9 Cross-linked Polyethylene (PEX) Tubing to Metal Insert and Plastic Insert Fittings
Standard Specification for Stainless Steel Clamps for Securing SDR9 Cross-linked Polyethylene (PEX) Tubing to Metal Insert and Plastic Insert Fittings
ABSTRACT
This specification covers stainless steel clamps for securing SDR9 cross-linked polyethylene (PEX) tubing to metal insert and plastic insert fittings. All performance tests shall be performed on assemblies of fittings, clamps and PEX tubing. Clamps shall meet the material and dimensional requirements prescribed. The surfaces of the clamps shall be smooth and free of foreign material. Clamps shall be free of cracks, holes, corrosion, voids, foreign inclusions, or other defects that are visible to the unaided eye that have potential to affect the clamp integrity. Insert fittings shall be joined to PEX tubing by deforming and locking a stainless steel clamp around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by the ribs on the fitting. The clamping procedure shall be as follows: slide the clamp onto the tubing, insert the ribbed end of the fitting into the end of the tubing until the tubing contacts the shoulder of the fitting or tube stop.
SCOPE
1.1 This specification covers stainless steel clamps for use with four sizes of insert fittings that comply with F 1807, and cross-linked polyethylene (PEX) plastic tubing that complies with F 876 or F 877. These clamps are intended as an alternative to the copper-alloy crimp-rings of Specifications F 1807 or F 2159 for use in 100 psi (689.5 kPa) cold- and hot-water distribution systems operating at temperatures up to and including 180°F (82°C). Included are requirements for materials, workmanship, dimensions and marking of the stainless steel clamps; requirements for deforming the clamps; which apply to assemblies of PEX tubing and Specifications F 1807 and F 2159, insert fittings secured with deformed clamps per this specification.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI values stated in parentheses are provided for information purposes.
1.3 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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Designation:F2098 −08
StandardSpecification for
Stainless Steel Clamps for Securing SDR9 Cross-linked
Polyethylene (PEX) Tubing to Metal Insert and Plastic Insert
1,2
Fittings
This standard is issued under the fixed designation F2098; 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 D618 Practice for Conditioning Plastics for Testing
D1598 Test Method for Time-to-Failure of Plastic Pipe
1.1 This specification covers stainless steel clamps for use
Under Constant Internal Pressure
with four sizes of insert fittings that comply with F1807, and
D1599 Test Method for Resistance to Short-Time Hydraulic
cross-linked polyethylene (PEX) plastic tubing that complies
Pressure of Plastic Pipe, Tubing, and Fittings
with F876 or F877.These clamps are intended as an alternative
D1600 Terminology forAbbreviatedTerms Relating to Plas-
to the copper-alloy crimp-rings of Specifications F1807 or
tics
F2159 for use in 100 psi (689.5 kPa) cold- and hot-water
D2122 Test Method for Determining Dimensions of Ther-
distribution systems operating at temperatures up to and
moplastic Pipe and Fittings
including 180°F (82°C). Included are requirements for
E18 Test Methods for Rockwell Hardness of Metallic Ma-
materials, workmanship, dimensions and marking of the stain-
terials
less steel clamps; requirements for deforming the clamps;
F412 Terminology Relating to Plastic Piping Systems
which apply to assemblies of PEX tubing and Specifications
F876 SpecificationforCrosslinkedPolyethylene(PEX)Tub-
F1807 and F2159, insert fittings secured with deformed clamps
ing
per this specification.
F877 Specification for Crosslinked Polyethylene (PEX) Hot-
1.2 The values stated in inch-pound units are to be regarded
and Cold-Water Distribution Systems
as the standard. The SI values stated in parentheses are
F1807 Specification for Metal Insert Fittings Utilizing a
provided for information purposes.
Copper Crimp Ring for SDR9 Cross-linked Polyethylene
1.3 This standard does not purport to address all of the
(PEX) Tubing and SDR9 Polyethylene of Raised Tem-
safety concerns, if any, associated with its use. It is the
perature (PE-RT) Tubing
responsibility of the user of this standard to establish appro- F2159 Specification for Plastic Insert Fittings Utilizing a
priate safety and health practices and determine the applica-
Copper Crimp Ring for SDR9 Cross-linked Polyethylene
bility of regulatory limitations prior to use. (PEX) Tubing and SDR9 Polyethylene of Raised Tem-
perature (PE-RT) Tubing
2. Referenced Documents
3 3. Terminology
2.1 ASTM Standards:
3.1 Definitions are in accordance with Terminology F412
A240/A240M Specification for Chromium and Chromium-
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure and abbreviations are in accordance with Terminology D1600,
unless otherwise indicated.
Vessels and for General Applications
4. Classification
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
4.1 This specification covers one class of stainless steel
Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.
clamps in four sizes suitable for securing PEX tubing that
Current edition approved March 1, 2008. Published March 2008. Originally
ε1
meetstherequirementsofSpecificationsF876orF877toinsert
approved 2001. Last previous edition approved in 2004 as F2098–04 . DOI:
10.1520/F2098-08.
fittings that meet the requirements of Specifications F1807 and
2
The stainless steel clamp described in this standard is covered by a patent.
F2159.
Interested parties are invited to submit information regarding the identification of an
alternativetothispatenteditemtoASTMHeadquarters.Yourcommentswillreceive
5. Materials and Manufacture
careful consideration at a meeting of F17, which you may attend.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1 Clamps—Clamps shall be made from material meeting
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
the requirements of Specification A240/A240M stainless steel
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. UNS S304000.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F2098−08
6. General Requirements 9.1.1 Clamping Procedure—The clamping procedure shall
be as follows: slide the clamp onto the tubing, insert the ribbed
6.1 The following sections of Specification F877 constitute
end of the fitting into the end of the tubing until the tubing
a
...
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.
An American National Standard
e1
Designation:F2098–04 Designation: F 2098 – 08
Standard Specification for
Stainless Steel Clamps for Securing SDR9 Cross-linked
Polyethylene (PEX) Tubing to Metal Insert and Plastic Insert
,
1 2
Fittings
This standard is issued under the fixed designation F 2098; 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
e NOTE—Figure 4 was editorially revised in November 2005.
1. Scope
1.1 This specification covers stainless steel clamps for use with four sizes of insert fittings that comply with F 1807, and
cross-linked polyethylene (PEX) plastic tubing that complies with F 876 or F 877. These clamps are intended as an alternative to
the copper-alloy crimp-rings of Specifications F 1807 or F 2159 for use in 100 psi (689.5 kPa) cold- and hot-water distribution
systems operating at temperatures up to and including 180°F (82°C). Included are requirements for materials, workmanship,
dimensions and marking of the stainless steel clamps; requirements for deforming the clamps; which apply to assemblies of PEX
tubing and Specifications F 1807 and F 2159, insert fittings secured with deformed clamps per this specification.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI values stated in parentheses are provided
for information purposes.
1.3 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.
2. Referenced Documents
3
2.1 ASTM Standards:
A 240/A 240M Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for
Pressure Vessels and for General Applications
D618Practice for Conditioning Plastics and Electrical Insulating Materials for Testing 618 Practice for Conditioning Plastics
for Testing
D 1598 Test Method for Time-Tto-Failure of Plastic Pipe Under Constant Internal Pressure
D 1599 Test Method for Short-Time, Hydraulic FailureResistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing,
and Fittings
D 1600 Terminology for Abbreviated Terms Relating to Plastics
D 2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings
E 18 Test Methods for Rockwell Hardness and Superficial Hardness of Metallic Materials
F 412 Terminology Relating to Plastic Piping Systems
F 876 Specification for Cross-linked Polyethylene (PEX) Tubing
F 877 Specification for Cross-linked Polyethylene (PEX) Plastic Hot- and Cold-Water Distribution Systems
F 1807 Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX)
Tubing
F 2159 Specification for Plastic iInsert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX)
Tubing.Tubing
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.
Current edition approved April 1, 2004. Published June 2004. Originally approved 2001. Last previous edition approved in 2001 as F2098–01
e1
Current edition approved March 1, 2008. Published March 2008. Originally approved 2001. Last previous edition approved in 2004 as F2098–04 .
2
The stainless steel clamp described in this standard is covered by a patent. Interested parties are invited to submit information regarding the identification of an alternative
to this patented item to ASTM Headquarters. Your comments will receive careful consideration at a meeting of F17, which you may attend.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
F2098–08
3. Terminology
3.1 DefinitionsareinaccordancewithTerminologyF 412andabbreviationsareinaccordancewithTerminologyD 1600,unless
otherwise indicated.
4. Classification
4.1 This specification covers one class of stainless steel clamps in four sizes suitable f
...
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