ASTM F1987-01(2011)
(Specification)Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hydronic Heating Systems (Withdrawn 2020)
Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hydronic Heating Systems (Withdrawn 2020)
ABSTRACT
This specification covers requirements for multilayer pipe type 2 and compression fittings for hydronic heating systems. Multilayer Pipe Type is a construction-based pressure rated pipe comprising more than one layer in which at least 60 % of the wall thickness is polymeric material. 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. Materials shall be tested and shall conform to specified values of multilayer pipe configurations 1 and 2, compression fittings for multilayer pipe, O-rings, multilayer pipe dimensions, compression fitting dimensions, minimum burst pressure, sustained pressure, thermal cycling test, and excessive temperature/pressure capability. Among the test methods included are: sustained-hydrostatic-pressure test, thermal cycling test, water hammer test, delamination, fusion line test, and excessive temperature/pressure capability test.
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 2Construction-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.
WITHDRAWN RATIONALE
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).
Formerly under the jurisdiction of F17 on Plastic Piping Systems, this specification was withdrawn in January 2020 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
General Information
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Standards Content (Sample)
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
Designation:F1987 −01 (Reapproved 2011) An American National Standard
Standard Specification for
Multilayer Pipe Type 2, Compression Fittings, and
Compression Joints for Hydronic Heating Systems
This standard is issued under the fixed designation F1987; 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.
NOTE 2—Multilayer pipe type 2, configurations 1 and 2, for hydronic
1. Scope
heating systems are not compatible for drinking water use.
1.1 This specification covers requirements for multilayer
pipe type 2 and compression fittings for hydronic heating
2. Referenced Documents
systems, with a maximum pressure/temperature range of 1000
2.1 ASTM Standards:
kPa (145 psi), at 82°C (180°F).
B283 Specification for Copper and Copper-Alloy Die Forg-
NOTE 1—Multilayer Pipe Type 2—Construction-based pressure rated
ings (Hot-Pressed)
pipe comprising more than one layer in which at least 60 % of the wall
B455 Specification for Copper-Zinc-Lead Alloy (Leaded-
thickness is polymeric material.
Brass) Extruded Shapes
1.2 Multilayer pipe type 2 is produced using a butt-welded
B547/B547M Specification for Aluminum and Aluminum-
aluminum pipe as a core, with an extruded inside layer of
Alloy Formed and Arc-Welded Round Tube
crosslinked polyethylene (PEX). An adhesive layer is used to
B584 Specification for Copper Alloy Sand Castings for
bond the inside layer to the wall of the aluminum pipe. An
General Applications
outer layer of polyethylene (PE) and an adhesive layer are
D618 Practice for Conditioning Plastics for Testing
extruded to the outer wall of the aluminum pipe.
D1505 Test Method for Density of Plastics by the Density-
Gradient Technique
1.3 Multilayer pipe type 2 is produced in Configurations 1
D1598 Test Method for Time-to-Failure of Plastic Pipe
and 2, as shown in Fig. 1.
Under Constant Internal Pressure
1.4 This specification includes compression fittings, which
D1600 TerminologyforAbbreviatedTermsRelatingtoPlas-
are referenced in Fig. 2.
tics
1.5 Specifications for threaded or solder adapters for use
D1898 Practice for Sampling of Plastics (Withdrawn 1998)
with pipe and fittings meeting the requirements of this speci-
D2122 Test Method for Determining Dimensions of Ther-
fication are given in Annex A1 and Annex A2.
moplastic Pipe and Fittings
D3222 Specification for Unmodified Poly(Vinylidene Fluo-
1.6 The following safety hazards caveat pertains only to the
test method portion of this specification: This standard does ride) (PVDF) Molding Extrusion and Coating Materials
D3418 Test Method for Transition Temperatures and En-
not purport to address all of the safety concerns, if any,
associated with its use. It is the responsibility of the user of this thalpies of Fusion and Crystallization of Polymers by
Differential Scanning Calorimetry
standard to establish appropriate safety and health practices
and determine the applicability of regulatory limitations prior D3350 Specification for Polyethylene Plastics Pipe and Fit-
tings Materials
to use.
1.7 The values stated in either SI units or inch-pound units D5033 GuideforDevelopmentofASTMStandardsRelating
to Recycling and Use of Recycled Plastics (Withdrawn
are to be regarded separately as standard. The values stated in
each system may not be exact equivalents; therefore, each 2007)
F412 Terminology Relating to Plastic Piping Systems
system shall be used independently of the other. Combining
values from the two systems may result in nonconformance F477 Specification for Elastomeric Seals (Gaskets) for Join-
ing Plastic Pipe
with this specification.
1 2
This specification is under the jurisdiction ofASTM Committee F17 on Plastic For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Piping Systems and is the direct responsibility of Subcommittee F17.11 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Composite. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Aug. 1, 2011. Published November 2011. Originally the ASTM website.
approvedin2000.Lastpreviouseditionapprovedin2006asF1987–01(2006).DOI: The last approved version of this historical standard is referenced on
10.1520/F1987-01R11. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1987−01 (2011)
3.1.5 pressure ratings, PR, n—the maximum, continuous
water pressure at a specified temperature that is capable of
withstanding without failure.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 adhesive, n—a low-molecular-weight PE that func-
tions as an adhesive layer and bonds the PEX to aluminum
pipe.
3.2.2 compression fittings for multilayer pipe, n—fittings
Layer: 1 2 3 4 5 developed specially for multilayer pipe in which the aluminum
Configuration 1 HDPE Adhesive Al - Adhesive PEX crosslink-
(1)
core is used as compression sleeve to develop sufficient
Layer Alloy Layer able
mechanical strength for the connection (see Fig. 2).
Configuration 2 MDPE Adhesive Al - Adhesive PEX crosslink-
(1)
Layer Alloy Layer able
3.2.3 lot, n—all pipe of the same size produced from one
extrusion line during one designated period.
PEX : Material is being crosslinked partially during manufacturing process.
(1)
Final crosslinking takes place during use.
3.2.4 multilayer pipe—abbreviation used in this specifica-
tion for multilayer pipe type 2.
FIG. 1Multilayer Pipe Sample for Configurations 1 and 2
4. Classification
4.1 Multilayer pipe and compression fittings produced un-
der this specification shall be suitable for hydronic heating
systems at specified pressure ratings and temperatures.
5. Materials and Manufacture
5.1 Specification for Material and Manufacture of Multi-
layer Pipe Configurations 1 and 2:
5.1.1 Polyethylene (PE), shall meet the requirement pro-
vided in Specification D3350 and shall equal or exceed a
minimum cell classification of 234233 B or 345442 B. Color
and form of the material shall be in accordance with the
agreement between purchaser and supplier under Specification
D3350.
FIG. 2Compression Fittings and O-Rings for Multilayer Pipe
5.1.2 Crosslinked Polyethylene(PEX),shallequalorexceed
a minimum cell classification 344543 A. Form of the material
4 shall be in accordance with the agreement between purchaser
2.2 ISO Standard:
and supplier under Specification D3350.
ISO 10508 Thermoplastics Pipe and Fittings for Hot and
5.1.3 Adhesive Polymers, shall be modified low molecular
Cold Water Systems
weight PE with a minimum density of 0.915 g/cm and
2.3 ARP Standard:
different levels of comonomer for adhesion to aluminum and
AS 568 A Aerospace Size Standard for O-Rings
othersubstrates.Themeltingpointshallnotbelessthan120°C
(248°F). Density shall be determined in accordance with Test
3. Terminology
Method D1505 and melting point in accordance with Test
3.1 Definitions:
Method D3418.
3.1.1 Definitions are in accordance with Terminology F412,
5.1.4 Aluminum Pipe—Mechanical Properties—Minimum
and abbreviations are in accordance with Terminology D1600,
tensile strength shall be 80 MPa (11 600 psi), minimum
unless otherwise specified.
elongation shall be 22 % A5, in accordance with Test Method
3.1.2 crosslinkable polyethylene, n—plastic prepared by
B547/B547M.
crosslinking (curing) of PE compound partially during manu-
5.1.5 Reusable Material—Reusable material as defined in
facturing process and final crosslinking during use.
Guide D5033 issued from the multilayer pipe manufacturer
3.1.3 crosslinked polyethylene (PEX), n—plastic prepared
shall be used for the outside coating of the multilayer pipe.
by crosslinking (curing) of polyethylene compound.
5.2 SpecificationforMaterialandManufactureofCompres-
3.1.4 multilayer pipe type 2, n—pipe consisting of different
sion Fittings for Multilayer Pipe:
materials with specific functional purpose to serve as pipe.
5.2.1 Compression fittings made from cast bronze shall
meettherequirementsofSpecificationB584UNScopperalloy
C83600.
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
5.2.2 Compression fittings made from brass shall meet the
4th Floor, New York, NY 10036, http://www.ansi.org.
requirements of Specification B455, copper alloy C38500 or
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001, http://www.sae.org. Specification B283 copper alloy C37700.
F1987−01 (2011)
5.2.3 Compression fittings made from plastic shall be injec- 6.5 Thermal Cycling Test—The multilayer pipe and fittings
tion molded from virgin material and meet the requirements of shall not fail when tested in accordance with 8.2.
Specification D3222, Type II.
6.6 Excessive Temperature/Pressure Capability—In the
5.3 Material Specification for O-Rings—The O-ring mate- event of a waterheating systems malfunction, the multilayer
rial shall be EPDM, with a hardness of 70° IRHD, in pipe and fittings shall have adequate strength to accommodate
accordance with Specification F477. O-ring dimensions shall short-term conditions, 30 days at 100°C (212°F), 1200 kPa
be in accordance with AS 568 A. (175 psi) until repairs can be made. Tests will be made in
accordance with 8.6.
6. Requirements
7. Workmanship, Finish, and Appearance
6.1 Multilayer Pipe Dimensions :
7.1 Workmanship for Multilayer Pipe—Multilayer pipe
6.1.1 Outside Diameter—The outside diameter shall meet
must have a smooth inner and outer surface, free from
the requirements of Table 1, when measured in accordance
irregularities such as cracks, bubbles, pin holes or other
with Test Method D2122.
imperfections. There shall be no evidence of delamination
6.1.2 Wall Thickness—The wall thickness of composite pipe
duringtestingorassemblingofmultilayerpipeandtheselected
shall meet the requirements of Table 1 when measured in
fittings.
accordance with Test Method D2122. The wall thickness and
the outside diameter of the aluminum pipe shall be determined
7.2 Workmanship for Compression Fittings—Compression
prior to the next manufacturing steps.
fittings for multilayer pipe shall be suitable for the intended
6.1.3 Average Thickness of Inner and Outer Layers—The
application and free from defects. The selected fittings shall be
averagethicknessoftheinnerandouterlayersofthemultilayer
smooth and free of any sharp-edged grooves, which could
pipe will be calculated as follows:
damage the pipe.
6.1.3.1 Average Thickness of the Outer Layer—The average
8. Test Methods
outside diameter of the multilayer pipe minus the average
outside diameter of the aluminum pipe multiplied by 0.5. 8.1 Sustained-Hydrostatic-Pressure Test—Multilayer pipe
6.1.3.2 Average Thickness of the Inner Layer—The average and fittings shall be tested in accordance with Test Method
wall thickness of the multilayer pipe minus the average wall D1598. Tests shall be performed at 1 h and 1000 h in
thickness of the aluminum pipe minus the average wall accordancewithTable6.Nofailureshalloccurfortheduration
thickness of the outer layer. of the tests.
6.1.4 Length—The pipe shall be supplied in coils or in
8.2 Thermal Cycling Test—The multilayer pipe and fittings
straight lengths in accordance with the agreement between
shall be tested in accordance with ISO 10508, referring to Fig.
purchaserandseller.Thetoleranceshallbe+100mmforcoiled
4. There shall be no leakage from pipes, fittings, or joints after
lengths, and +10 mm for straight lengths.
completion of 5000 cycles, each with a duration of 30 6 2 min
6.2 Compression Fitting/Dimensions —Compression fit- at a constant internal pressure of 1000 6 50 kPa (145 6 7.25
tings shall meet the requirements of Table 2 when measured in psi). Each cycle shall comprise 15 min of cold water at 20 6
accordance with Test Method D2122. 2°C (68 6 3.6°F) and 15 min of hot water at 90 6 2°C (194
6.2.1 Compression Tool—The compression tool shall meet 6 3.6°F).
therequirementsofTable3whenmeasuredinaccordancewith
8.3 Water Hammer Test—Multilayer pipe and fittings shall
Test Method D2122.
not fail when subjected to 10 000 cycles. Tests shall be
6.3 Minimum Burst Pressure—The minimum burst pressure performed at room temperature, pressure cycles alternating
for multilayer pipe and compression fittings for hydronic between 100 6 50 kPa (14.51 6 7.25 psi) and 1500 6 50 kPa
heating systems shall be as given in Table 5. (220 67.25psi)atarateof30 65permin.Testinaccordance
with ISO 10508, referring to Fig. 5.
6.4 Sustained Pressure—The multilayer pipe and fittings
shallnotfailatthetestpressureandtemperaturegiveninTable 8.4 Delamination—Multilayer pipe shall not delaminate
6 when tested in accordance with 8.1. when tested with the adapter tool in Table 4, as described in
TABLE 1 Multilayer Pipe Dimensions
Thickness Out-of-
Thickness
Thickness of of Thickness of Roundness
Outside of Inside Aluminum
Config- Inside Diameter, Wall Thickness, Inside PEX Outside Outside HDPE Minimum
Diameter, Adhesive Thickness,
uration mm (in.) mm (in.) Layer, Adhesive Layer, Inside
mm (in.) Layer, mm (in.)
mm (in.) Layer, mm (in.) Diameter,
mm (in.)
mm (in.) mm (in.)
1 26 ± 0.2 20 ± 0.2 3.00 +0.25 –0.1 1.25 ± 0.15 0.15 0.70 +0.06 –0.02 0.15 0.75 ± 0.15 19.3
(1.024 ± 0.008) (0.787 ± 0.008) (0.118 +0.010 –0.004) (0.049 ± 0.006) (0.006) (0.028 +0.002 –0.001) (0.006) (0.030 ± 0.006) (0.760)
16 ± 0.2 11.5 ± 0.2 2.25 +0.2 –0.1 0.60 +0.15 –0.1 0.15 0.40 +0.01 –0.03 0.15 0.95 +0.2 –0.1 10.8
(0.630 ± 0.008) (0.453 ± 0.008) (0.089 +0.008 –0.004)(0.024 +0.006 –0.004) (0.006) (0.016 +0.000– 0.001) (0.006) (0.037 +0.008 –0.004) (0.425)
2 20 ± 0.2 15 ± 0.2 2.50 +0.2 –0.1 0.70 +0.2 –0.1 0.15 0.47 +0.01 –0.03 0.15 1.03 +0.2 –0.1 14.3
(0.787 ± 0.008) (0.591 ± 0.008) (0.098 +0.008 –0.004)(0.028 +0.008 –0.004) (0.006) (0.019 +0.000– 0.001) (0.006) (0.041 +0.008 –0.004) (0.563)
F1987−01 (2011)
TABLE 2 Compression Fittings and O-Rings for Multilayer Pipe Dimensions
Ø Pipes mm (in.) 16 (0.630) 20 (0.787) 26 (1.024)
Ø A 11.3 – 0.1 (0.445 – 0.004) 14.8 – 0.1 (0.583 – 0.004) 19.8 – 0.1 (0.780 – 0.004)
Ø D –0.1 (–0.004) 9.2 (0.362) 12.7 (0.500) 17.3 (0.681)
Ø F 10 ± 0.1 (0.394 ± 0.004) 13.4 ± 0.1 (0.134 ± 0.004) 18 ± 0.1 (0.709 ± 0.004)
Ø G 7.4 – 0.3 (0.291 – 0.012) 10.7 – 0.3 (0.421–0.012) 15 – 0.3 (0.591 – 0.012)
Ø H –0.2 (–0.008) 17.9 (0.705) 21.9 (0.862) 28.5 (1.122)
I 26 ± 0.2 (1.024 ± 0.008) 28.5 ± 0.2 (1.122 ± 0.008) 33 ± 0.3 (1.299 ± 0.012)
J ± 0.2 (± 0.008) 16.7 (0.657) 18 (0.709) 20.5 (0.807)
L ± 0.1 (± 0.004) 2 (0.079) 2 (0.079) 2.4 (0.094)
O-Ring 8.5×1.5 (0.335
...
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