Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems

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1.1 This specification covers requirements for multilayer pipe type 2 and compression fittings for hot and cold drinking-water systems, with a maximum pressure rating of 1000 kPa (145 psi) at 82°C (180°F).
Note 1—Multilayer Pipe Type 2—Construction-based pressure rated pipe comprising more than one layer in which at least 60 % of the wall thickness is polymeric material.
1.2 Multilayer pipe type 2 is produced using a butt-welded aluminum pipe as a core, with an extruded inside layer of crosslinked polyethylene (PEX). An adhesive layer is used to bond the inside layer to the wall of the aluminum pipe. An outer layer of polyethylene (PE) and an adhesive layer are extruded to the outer wall of the aluminum pipe.
1.3 Multilayer pipe type 2 is produced in configurations 1 and 2, as referenced in Fig 1.
1.4 This specification includes compression fittings, which are referenced in Fig 2.
1.5 Specifications for thread or solder adapters for use with pipe and fittings meeting the requirements of this specification are given in Annex A1 and Annex A2.
1.6 The following precautionary caveat pertains only to the test method portion 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 and health practices and determine the applicability of regulatory limitations prior to use.
1.7 The values stated in either SI units or in inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

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09-Oct-2001
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Drafting Committee
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ASTM F1986-00a - Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation: F 1986 – 00a
Standard Specification for
Multilayer Pipe Type 2, Compression Fittings, and
Compression Joints for Hot and Cold Drinking-Water
1
Systems
This standard is issued under the fixed designation F 1986; 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
1.1 This specification covers requirements for multilayer
pipe type 2 and compression fittings for hot and cold drinking-
water systems, with a maximum pressure rating of 1000 kPa
(145 psi) at 82°C (180°F).
NOTE 1—Multilayer Pipe Type 2—Construction-based pressure rated
pipe comprising more than one layer in which at least 60 % of the wall
thickness is polymeric material.
Layer: 1 2 3 4 5
Configuration 1 HDPE Adhesive Al - Adhesive PEX
(1)
1.2 Multilayer pipe type 2 is produced using a butt-welded
(drinking water) Layer Alloy Layer crosslinked
aluminum pipe as a core, with an extruded inside layer of
Configuration 2 MDPE Adhesive Al - Adhesive PEX
(1)
(drinking water) Layer Alloy Layer crosslinked
crosslinked polyethylene (PEX). An adhesive layer is used to
PEX : Material is being crosslinked during manufacturing process.
(1)
bond the inside layer to the wall of the aluminum pipe. An
outer layer of polyethylene (PE) and an adhesive layer are
FIG. 1 Multilayer Pipe Sample for Configuration 1 and 2
extruded to the outer wall of the aluminum pipe.
1.3 Multilayer pipe type 2 is produced in configurations 1
B 283 Specification for Copper and Copper-Alloy Die Forg-
and 2, as referenced in Fig. 1.
2
ings (Hot-Pressed)
1.4 This specification includes compression fittings, which
B 455 Specification for Copper-Zinc-Lead Alloy (Leaded
are referenced in Fig. 2 .
2
Brass) Extruded Shapes
1.5 The following precautionary caveat pertains only to the
B 547/B 547M Specification for Aluminum and Aluminum-
test method portion of this specification: This standard does
3
Alloy Formed and Arc-Welded Round Tube
not purport to address all of the safety concerns, if any,
B 584 Specification for Copper Alloy Sand Castings for
associated with its use. It is the responsibility of the user of this
2
General Applications
standard to establish appropriate safety and health practices
and determine the applicability of regulatory limitations prior
to use.
2
Annual Book of ASTM Standards, Vol 02.01.
1.6 The values stated in either SI units or in inch-pound
3
Annual Book of ASTM Standards, Vol 02.02.
units are to be regarded separately as standard. The values
stated in each system may not be exact equivalents; therefore,
each system shall be used independently of the other. Combin-
ing values from the two systems may result in nonconformance
with the standard.
2. Referenced Documents
2.1 ASTM Standards:
1
This test method is under the jurisdiction of ASTM Committee F-17 on Plastic
Piping Systems and is the direct responsibility of Subcommittee F17.11 on
Composite.
Current edition approved April 10, 2000. Published July 2000.
Originally published as F1986–00. Last previous edition F 1986–00.
FIG. 2 Compression Fittings and O-Rings for Multilayer Pipe
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F 1986
9
2.4 ARP Standard:
AS 568 A Aerospace Size Standard For O-Rings
3. Terminology
3.1 Definitions—Definitions are in accordance with Termi-
nology F 412, and abbreviations are in accordance with Ter-
minology D 1600, unless otherwise specified.
3.1.1 crosslinked polyethylene (PEX), n—a plastic prepared
by crosslinking (curing) of PE compound.
3.1.2 multilayer pipe type 2, n—a pipe consisting of differ-
ent materials with specific functional purpose to serve as pipe.
3.1.3 pressure ratings (PR), n—the maximum, continuous
water pressure at a specified temperature that pipe is capable of
withstanding without failure.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 adhesive—a low-molecular-weight PE that functions
as an adhesive layer and bonds the PEX to aluminum pipe.
FIG. 3 Compression Tools for Multilayer Pipe 3.2.2 compression fittings for multilayer pipe, n—a fitting
specially developed for multilayer pipe in which the aluminum
core is used as compression sleeve to develop sufficient
D 618 Practice for Conditioning Plastics and Electrical
mechanical strength for the connection (see Fig. 2).
4
Insulating Materials for Testing
3.2.3 multilayer pipe, n—abbreviation used in this specifi-
D 1505 Test Method for Density of Plastics by the Density-
cation for multilayer pipe type 2.
4
Gradient Technique
3.2.4 lot, n—a l
...

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