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This specification covers "fiberglass" (glass-fiber-reinforced thermosetting-resin) pressure pipe fittings for use with filament wound or centrifugally cast fiberglass pipe. The fibreglass fittings are defined by type, grade, class, category, and pressure rating: type 1 - filament-wound fittings, type 2 - compression moulded fittings, type 3 - resin transfer molded fittings, type 4 - centrifugally cast fittings, and type 5 - contact molded fittings; grade 1 - epoxy-resin, grade 2 - polyester-resin, grade 3 - phenolic-resin, grade 4 - vinylester resin, and grade 7 - furan resin; class A - no liner, class B - polyester-resin liner (nonreinforced), class C - epoxy-resin liner (nonreinforced), class D - phenolic resin liner (nonreinforced), class E - polyester-resin liner (reinforced), class F - epoxy-resin liner (reinforced), class G - phenolic resin liner, class H - thermoplastic-resin liner, class I - furan-resin liner (reinforced), class J - vinylester resin liner (nonreinforced), and class K - vinylester resin liner (reinforced); category 1 - taper-to-taper adhesive bonded joint fittings, category 2 - straight-taper adhesive-bonded joint fitting, category 3 - straight adhesive bonded joint fitting, category 5 - flanged fittings, category 6 - elastomeric sealed joints with sealant, and category 7 - elastomeric sealed joints with seals. Short-term hydrostatic strength test and cyclic or static pressure test shall be performed to meet the requirements prescribed.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers “fiberglass” (glass-fiber-reinforced thermosetting-resin) fittings for use with filament wound or centrifugally cast fiberglass pipe, or both, in sizes 1 in. through 24 in. for pipe manufactured to Specification or , or both.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 The following safety hazard caveat pertains only to the test method portion, Section , of this specification:
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Note 1: The term “fiberglass pipe” as described in Section of this specification applies to both reinforced thermosetting resin pipe (RTRP) and reinforced polymer mortar pipe (RPMP).
Note 2: For the purposes of this standard, polymer does not include natural polymers.
Note 3: There is no known ISO equivalent to this standard.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
D1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure
D1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings
D1600 Terminology for Abbreviated Terms Relating to Plastics
D2143 Test Method for Cyclic Pressure Strength of Reinforced, Thermosetting Plastic Pipe
D2992 Practice for Obtaining Hydrostatic or Pressure Design Basis for Fiberglass (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe and Fittings
D2996 Specification for Filament-Wound Fiberglass (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe
D2997 Specification for Centrifugally Cast Fiberglass (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe
D3567 Practice for Determining Dimensions of Fiberglass (Glass-Fiber-Reinforced Thermosetting Resin) Pipe and Fittings
D4024 Specification for Machine Made Fiberglass (Glass-Fiber-Reinforced Thermosetting Resin) Flanges
F412 Terminology Relating to Plastic Piping Systems
F477 Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe
ICS Number Code 23.040.45 (Plastic fittings)
UNSPSC Code 40170000(Pipe piping and pipe fittings)
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ASTM D5685-19, Standard Specification for “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pressure Pipe Fittings, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top