ASTM F1986-01(2006)
(Specification)Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems
Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems
ABSTRACT
This specification covers requirements for multiplayer pipe type 2 and compression fittings for hot and cold drinking water systems. 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. This specification includes compression fittings and thread or solder adapters for use with pipe and fittings. The pipe dimensions, compression-fitting dimensions, burst pressure, thermal cycling, and excessive temperature-pressure capability shall be in conformance to the specification.
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.
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.
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.
1.6 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.
General Information
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Standards Content (Sample)
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An American National Standard
Designation: F1986 – 01 (Reapproved 2006)
Standard Specification for
Multilayer Pipe Type 2, Compression Fittings, and
Compression Joints for Hot and Cold Drinking-Water
Systems
This standard is issued under the fixed designation F1986; 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 2. Referenced Documents
1.1 This specification covers requirements for multilayer 2.1 ASTM Standards:
pipe type 2 and compression fittings for hot and cold drinking- B283 Specification for Copper and Copper-Alloy Die Forg-
water systems, with a maximum pressure rating of 1000 kPa ings (Hot-Pressed)
(145 psi) at 82°C (180°F). B455 Specification for Copper-Zinc-Lead Alloy (Leaded-
Brass) Extruded Shapes
NOTE 1—Multilayer Pipe Type 2—Construction-based pressure rated
B547/B547M Specification for Aluminum and Aluminum-
pipe comprising more than one layer in which at least 60 % of the wall
Alloy Formed and Arc-Welded Round Tube
thickness is polymeric material.
B584 Specification for Copper Alloy Sand Castings for
1.2 Multilayer pipe type 2 is produced using a butt-welded
General Applications
aluminum pipe as a core, with an extruded inside layer of
D618 Practice for Conditioning Plastics for Testing
crosslinked polyethylene (PEX). An adhesive layer is used to
D1505 Test Method for Density of Plastics by the Density-
bond the inside layer to the wall of the aluminum pipe. An
Gradient Technique
outer layer of polyethylene (PE) and an adhesive layer are
D1598 Test Method for Time-to-Failure of Plastic Pipe
extruded to the outer wall of the aluminum pipe.
Under Constant Internal Pressure
1.3 Multilayer pipe type 2 is produced in configurations 1
D1600 Terminology for Abbreviated Terms Relating to
and 2, as referenced in Fig. 1.
Plastics
1.4 This specification includes compression fittings, which
D1898 Practice for Sampling of Plastics
are referenced in Fig. 2 .
D2122 Test Method for Determining Dimensions of Ther-
1.5 Specifications for thread or solder adapters for use with
moplastic Pipe and Fittings
pipe and fittings meeting the requirements of this specification
D2765 Test Methods for Determination of Gel Content and
are given in Annex A1 and Annex A2.
Swell Ratio of Crosslinked Ethylene Plastics
1.6 The following precautionary caveat pertains only to the
D3222 Specification for Unmodified Poly(Vinylidene Fluo-
test method portion of this specification: This standard does
ride) (PVDF) Molding Extrusion and Coating Materials
not purport to address all of the safety concerns, if any,
D3418 Test Method for Transition Temperatures and En-
associated with its use. It is the responsibility of the user of this
thalpies of Fusion and Crystallization of Polymers by
standard to establish appropriate safety and health practices
Differential Scanning Calorimetry
and determine the applicability of regulatory limitations prior
D3350 Specification for Polyethylene Plastics Pipe and
to use.
Fittings Materials
1.7 The values stated in either SI units or in inch-pound
D5033 Guide for Development of ASTM Standards Relat-
units are to be regarded separately as standard. The values
ing to Recycling and Use of Recycled Plastics
stated in each system may not be exact equivalents; therefore,
F412 Terminology Relating to Plastic Piping Systems
each system shall be used independently of the other. Combin-
F477 SpecificationforElastomericSeals(Gaskets)forJoin-
ingvaluesfromthetwosystemsmayresultinnonconformance
ing Plastic Pipe
with the standard.
1 2
This test method is under the jurisdiction of ASTM 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 Nov. 1, 2006. Published January 2007. Originally the ASTM website.
appproved in 2000. Last previous edition approved in 2001 as F1986 – 01. DOI: Withdrawn. The last approved version of this historical standard is referenced
10.1520/F1986-01R06. on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F1986 – 01 (2006)
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 F412, and abbreviations are in accordance with Termi-
nology D1600, unless otherwise specified.
3.1.1 crosslinked polyethylene (PEX), n—a plastic prepared
Layer: 1 2 3 4 5
by crosslinking (curing) of PE compound.
Configuration 1 HDPE Adhesive Al - Adhesive PEX
(1)
(drinking water) Layer Alloy Layer crosslinked
3.1.2 multilayer pipe type 2, n—a pipe consisting of differ-
Configuration 2 MDPE Adhesive Al - Adhesive PEX
(1)
ent materials with specific functional purpose to serve as pipe.
(drinking water) Layer Alloy Layer crosslinked
3.1.3 pressure ratings (PR), n—the maximum, continuous
PEX : Material is being crosslinked during manufacturing process.
(1)
waterpressureataspecifiedtemperaturethatpipeiscapableof
FIG. 1 Multilayer Pipe Sample for Configuration 1 and 2
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.
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
mechanical strength for the connection (see Fig. 2).
3.2.3 multilayer pipe, n—abbreviation used in this specifi-
cation for multilayer pipe type 2.
3.2.4 lot, n—a lot shall consist of all pipe of the same size
produced from one extrusion line during one designated
period.
4. Classification
FIG. 2 Compression Fittings and O-Rings for Multilayer Pipe
4.1 Multilayer pipe and compression fittings produced un-
der this specification shall be suitable for hot and cold drinking
water at specified pressure ratings and temperatures.
5. Materials and Manufacture
5.1 Specification for Material and Manufacture of Multi-
layer Pipe Configuration 1 and 2:
5.1.1 Polyethylene (PE)—PE shall meet the requirement
provided 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.
5.1.2 Crosslinked Polyethylene (PEX)—PEX shall meet the
minimum gel content of 65 % when evaluated in accordance
with Test Method D2765. The PEX raw material shall equal or
exceed a minimum cell classification 344543 A in accordance
withtheSpecificationD3350.Theformofthematerialshallbe
in accordance with the agreement between purchaser and
FIG. 3 Compression Tools for Multilayer Pipe
supplier.
5.1.3 Adhesive Polymers—Adhesive polymers shall be
2.2 ANSI Standard:
modified low-molecular-weight PE with a minimum density of
ANSI/NSF 61 Drinking Water System Components—
0.915 g/cm and different levels of comonomer for adhesion to
Health Effects
aluminum and other substrates. The melting point shall not be
2.3 ISO Standard:
less than 120°C (248°F). Density is determined under Test
ISO 10508 Thermoplastics Pipe and Fittings for Hot and
Method D1505 and melting point under Test Method D3418.
Cold Water Systems
4 5
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., Available from Society of Automotive Engineers (SAE), 400 Commonwealth
4th Floor, New York, NY 10036, http://www.ansi.org. Dr., Warrendale, PA 15096-0001, http://www.sae.org.
F1986 – 01 (2006)
5.1.4 Aluminum Pipe: Mechanical Properties—Minimum 6.1.3 Average Thickness of Inner and Outer Layers—The
tensile strength shall be 80 Mpa (11600 psi), minimum averagethicknessoftheinnerandouterlayersofthemultilayer
elongation shall be 22 %A5, in accordance with Specification pipe will be calculated as follows:
B547/B547M.
6.1.3.1 Average Thickness of the Outer Layer—Theaverage
5.1.5 Reusable Material—Reusable material as defined in
outside diameter of the multilayer pipe minus the average
Guide D5033 issued from the multilayer-pipe manufacturer
outside diameter of the aluminum pipe multiplied by 0.5.
shall be used only for the outside coating of the multilayer
6.1.3.2 Average Thickness of the Inner Layer—The average
pipe.
wall thickness of the multilayer pipe minus the average wall
5.2 Specification for Material and Manufacture of Compres-
thickness of the aluminum pipe minus the average wall
sion Fittings for Multilayer Pipe:
thickness of the outer layer.
5.2.1 Compression fittings made from cast bronze shall
6.1.4 Length—The pipe shall be supplied in coils or in
meet the requirements of Specification B584 UNS Copper
straight lengths in accordance with the agreement between
Alloy No. C83600.
purchaserandseller.Thetoleranceshallbe+100mmforcoiled
5.2.2 Compression fittings made from brass shall meet the
lengths and +10 mm for straight lengths.
requirements of Specification B455, UNS Copper Alloy No.
6.2 Compression-Fitting Dimensions—Compression fit-
C38500, or Specification B283, UNS Copper Alloy No.
tings shall meet the requirements of Table 2 when measured in
C37700.
accordance with Test Method D2122.
5.2.3 Compression fittings made from plastic shall be injec-
6.2.1 Compression Tool—The compression tool shall meet
tion molded from virgin material and meet the requirements of
the requirements of Table 3when measured in accordance with
Specification D3222, Type II.
Test Method D2122.
5.3 Material Specification for O-Rings—The O-ring mate-
6.3 Minimum Burst Pressure—The minimum burst pressure
rialshallbeEPDM,withahardnessof70IRHD,inaccordance
for multilayer pipe and compression fittings for hot and cold
with Specification F477. O-ring dimensions shall be in accor-
water systems shall be as given in Table 5.
dance with AS 568 A.
6.4 Sustained Pressure—The multilayer pipe and fittings
6. Requirements
shallnotfailatthetestpressureandtemperaturegiveninTable
6 when tested in accordance with 8.1.
6.1 Multilayer Pipe Dimensions:
6.5 Thermal Cycling Test—The multilayer pipe and fittings
6.1.1 Outside Diameter—The outside diameter shall meet
shall not fail when tested in accordance with 8.2.
the requirement of Table 1 when measured in accordance with
Test Method D2122. 6.6 Excessive Temperature-Pressure Capability—In the
6.1.2 Wall Thickness—Thewallthicknessofmultilayerpipe event of a waterheating system malfunction, the multilayer
shall meet the requirement of Table 1 when measured in pipe and fitting shall have adequate strength to accommodate
accordance with Test Method D2122. The wall thickness and short-term conditions, 30 days at 100°C (212°F), 1200 kPa
the outside diameter of the aluminum pipe shall be determined (175 psi), until repairs can be made. Tests will be made in
prior to the next manufacturing steps. accordance with 8.7.
TABLE 1 Multilayer Pipe Dimensions
Configuration 1
Out-of-
Thickness Thickness
Roundness
Outside Thickness of Inside of Inside Aluminum of Outside Thickness of Outside
Inside Diameter Wall Thickness Minimum
Diameter PEX Layer Adhesive Thickness Adhesive HDPE Layer
Inside
Layer Layer
Diameter
mm (in.) mm (in.) mm (in.) mm (in.) mm (in.) mm (in.) mm (in.) mm (in.) mm (in.)
16 6 0.2 11.5 6 0.2 2.25 +0.2 –0.1 1.00 6 0.15 0.15 0.50 +0.06 –0.02 0.15 0.45 6 0.15 10.8
(0.630 6 0.008) (0.453 6 0.008) (0.089 +0.008 –0.004) (0.039 6 0.006) (0.006) (0.020 +0.002 –0.001) (0.006) (0.018 6 0.006) (0.425)
20 6 0.2 15 6 0.2 2.50 +0.2 –0.1 1.10 6 0.15 0.15 0.60 +0.06 –0.02 0.15 0.50 6 0.15 14.3
(0.78760.008) (0.591 6 0.008) (0.098 +0.008 –0.004) (0.043 6 0.006) (0.006) (0.024 +0.002 –0.001) (0.006) (0.020 6 0.006) (0.563)
26 6 0.2 20 6 0.2 3.00 +0.25 –0.1 1.25 6 0.15 0.15 0.70 +0.06 –0.02 0.15 0.75 6 0.15 19.3
(1.024 6 0.008) (0.787 6 0.008) (0.118 +0.010 –0.004) (0.049 6 0.006) (0.006) (0.028 +0.002 –0.001) (0.006) (0.030 6 0.006) (0.760)
32 6 0.2 26 6 0.2 3.00 +0.25 –0.1 1.25 6 0.15 0.15 0.80 +0.06 –0.02 0.15 0.65 6 0.15 25.3
(1.260 6 0.008) (1.024 6 0.008) (0.118 +0.010 –0.004) (0.049 6 0.006) (0.006) (0.031 +0.002 –0.001) (0.006) (0.026 6 0.006) (0.996)
40 6 0.2 33 6 0.2 3.50 +0.3 –0.1 1.45 6 0.15 0.15 1.00 +0.08 –0.03 0.15 0.75 6 0.15 32.3
(1.575 6 0.008) (1.299 6 0.008) (0.138 +0.012 –0.004) (0.057 6 0.006) (0.006) (0.039 +0.003 –0.001) (0.006) (0.030 6 0.006) (1.272)
50 6 0.3 42 +0.3 –0.2 4.00 +0.3 –0.1 1.80 6 0.15 0.15 1.00 +0.08 –0.03 0.15 0.90 6 0.15 41.3
(1.969 6 0.012) (1.654 +0.012 -0.008) (0.157 +0.012 –0.004) (0.071 6 0.006) (0.006) (0.039 +0.003 –0.001) (0.006) (0.035 6 0.006) (1.626)
63 6 0.3 54 +0.3 –0.2 4.50 +0.3 –0.1 2.30 6 0.15 0.15 1.00 +0.08 –0.03 0.15 0.90 6 0.15 53.3
(2.480 6 0.012) (2.126 +0.012 –0.008) (0.177 +0.012 –0.004) (0.091 6 0.006) (0.006) (0.039 +0.003 –0.001) (0.006) (0.035 6 0.006) (2.098)
Configuration 2
16 6 0.2 11.5 6 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 6 0.008) (0.453 6 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)
20 6 0.2 15 6 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 6 0.008) (0.591 6 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)
F1986 – 01 (2006)
TABLE 2 Compression Fittings and O-Rings for Multilayer Pipe Dimensions
NOTE 1—Plastic fittings.
Ø Pipes 16 20 26 32 X 40 X 50 X 63
mm (in.) (0.630) (0.787) (1.024) (1.260) (1.575) (1.969) (2.480)
Ø A 11.3 – 0.1 14.8 – 0.1 19.8 – 0.1 25.8 – 0.1 32.8– 0.15 41.8 – 0.15 53.8 – 0.17
(0.445 – (0.583 – 0.004)(0.780 – 0.004) (1.016 – (1.291 – (1.646 – 0.006) (2.118 – 0.007)
0.004) 0.004) 0.006)
ØD–0.1 9.2(0.362) 12.7 (0.500) 17.3 (0.681) 23.3 (0.917) 30.3 (1.193) 38.2 (1.504) 48.6 (1.913)
(–0.004)
ØF 10 6 0.1 13.4 6 0.1 18 6 0.1 24 6 0.1 30.6 + 0.1 – 39.2 + 0.1 – 49.8 6 0.17
0.15 0.15
(0.39460.004)(0.528 6 0.004) (0.709 6 (0.945 6 (1.205 + 0.004 (1.543 + 0.004 (1.961 6
0.004) 0.004) – 0.006) – 0.006) 0.007)
ØG 7.4–0.3 10.7–0.3 15–0.3 20.5–0.5 26.6–0.5 33–0.5 41–0.5
(0.291 – (0.421 – 0.012)(0.591 – 0.012) (0.807 – (1.047 – (1.299 – 0.020) (1.614 – 0.020)
0.012) 0.020) 0.020)
ØH–0.2 17.9(0.705) 21.9 (0.862) 28.5 (1.122) 34.7 (1.366) 43.5 (1.713) 54 (2.126) 72
...
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