Standard Specification for Multilayer Pipe Type 2 , Compression Fittings, and Compression Joints for Hydronic Heating Systems

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1.1 This specification covers requirements for multilayer pipe type 2 and compression fittings for hydronic heating systems, with a maximum pressure/temperature range 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 shown in Fig. 1.
1.4 This specification includes compression fittings, which are referenced in Fig. 2.
1.5 Specifications for threaded 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 safety hazards 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 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 this specification.Note 2—Multilayer pipe type 2, configurations 1 and 2, for hydronic heating systems are not compatible for drinking water use.

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Historical
Publication Date
09-Apr-2000
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Drafting Committee
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ASTM F1987-00a - Standard Specification for Multilayer Pipe Type 2 , Compression Fittings, and Compression Joints for Hydronic Heating 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 1987 – 00a
Standard Specification for
Multilayer Pipe Type 2, Compression Fittings, and
1
Compression Joints for Hydronic Heating Systems
This standard is issued under the fixed designation F 1987; 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 hydronic heating
systems, with a maximum pressure/temperature range 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
1.2 Multilayer pipe type 2 is produced using a butt-welded
Configuration 1 HDPE Adhesive Al - Adhesive PEX
(1)
Layer Alloy Layer crosslinkable
aluminum pipe as a core, with an extruded inside layer of
Configuration 2 MDPE Adhesive Al - Adhesive PEX
(1)
crosslinked polyethylene (PEX). An adhesive layer is used to
Layer Alloy Layer crosslinkable
bond the inside layer to the wall of the aluminum pipe. An
PEX : Material is being crosslinked partially during manufacturing process.
(1)
outer layer of polyethylene (PE) and an adhesive layer are
Final crosslinking takes place during use.
extruded to the outer wall of the aluminum pipe.
FIG. 1 Multilayer Pipe Sample for Configurations 1 and 2
1.3 Multilayer pipe type 2 is produced in Configurations 1
and 2, as shown in Fig. 1.
B 283 Specification for Copper and Copper-Alloy Die Forg-
1.4 This specification includes compression fittings, which
2
are referenced in Fig. 2. ings (Hot-Pressed)
B 455 Specification for Copper-Zinc-Lead Alloy (Leaded-
1.5 The following safety hazards caveat pertains only to the
2
test method portion of this specification: This standard does Brass) Extruded Shapes
B 547/B 547M Specification for Aluminum and Aluminum-
not purport to address all of the safety concerns, if any,
3
associated with its use. It is the responsibility of the user of this Alloy Formed and Arc-Welded Round Tube
B 584 Specification for Copper Alloy Sand Castings for
standard to establish appropriate safety and health practices
2
General Applications
and determine the applicability of regulatory limitations prior
to use.
1.6 The values stated in either SI units or inch-pound units
2
Annual Book of ASTM Standards, Vol 02.01.
are to be regarded separately as standard. The values stated in
3
Annual Book of ASTM Standards, Vol 02.02.
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 this specification.
NOTE 2—Multilayer pipe type 2, configurations 1 and 2, for hydronic
heating systems are not compatible for drinking water use.
2. Referenced Documents
2.1 ASTM Standards:
1
This specification 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 F1987–00. Last previous edition F1987–00. 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

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F 1987
D 618 Practice for Conditioning Plastics and Electrical 3.2.3 lot, n—all pipe of the same size produced from one
4
Insulating Materials for Testing extrusion line during one designated period.
D 1505 Test Method for Density of Plastics by the Density- 3.2.4 multilayer pipe—abbreviation used in this specifica-
4
Gradient Technique tion for multilayer pipe type 2.
D 1525 Test Method for Vicat Softening Temperature of
4 4. Classification
Plastics
4.1 Multilayer pipe and compression fittings produced un-
D 1598 Test Method for Time-to-Failure of Plastic Pipe
5
Under Constant Internal Pressure der this specification shall be suitable for hydronic heating
systems at specified pressure ratings and temperatures.
D 1600 Terminology for Abbreviated Terms Relating to
4
Plastics
4 5. Materials and Manufacture
D 1898 Practice for Sampling of Plastics
5.1 Specification for Material and Manufacture of Multi-
D 2122 Test Method for Determining Dimensions of Ther-
5
layer Pipe Configurations 1 and 2:
moplastic Pipe and Fittings
5.1.1 Polyethylene (PE), shall meet the requirement pro-
D 3222 Specification for Unmodified Poly(Vinylidene
vided in Specification D 3350 and shall equal or exceed a
Fluoride) (PVDF
...

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