1、Designation:D 5686 95Standard Specification for“Fiberglass“(Glass-Fiber-Reinforced Thermosetting-Resin)Pipe and Pipe Fittings,Adhesive Bonded Joint Type EpoxyResin,for Condensate Return Lines1This standard is issued under the fixed designation D 5686;the number immediately following the designation
2、indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of
3、the Department of Defense.Consult the DoD Index of Specifications andStandards for the specific year of issue which has been adopted by the Department of Defense.1.Scope1.1 This specification covers machine-made reinforced ther-mosetting epoxy resin pipe and fittings nominal pipe size(NPS)2 in.(50 m
4、m)through 12 in.(304 mm)diameter to beused for continuous service in condensate return lines for thespecific maximum temperature and pressure covered by thisspecification,250F(121C)and 125 psig(862 kPa).1.2 The values stated in inch-pound units are to be regardedas standard.The values given in paren
5、theses are provided forinformation purposes only.1.3 The dimensionless designator NPS has been substitutedin this specification for such traditional terms as“nominaldiameter”,“size”,and“nominal size”.1.4 The following safety hazards caveat pertains only to thetest method portion,Section 9,of this sp
6、ecification:1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE1T
7、here is no similar or equivalent ISO standard.2.Referenced Documents2.1 ASTM Standards:D 883 Terminology Relating to Plastics2D 1600 Terminology for Abbreviated Terms Relating toPlastics2D 2310 Classification for Machine-Made Reinforced Ther-mosetting Resin Pipe3D 3567 Practice for Determining Dimen
8、sions of ReinforcedThermosetting Resin Pipe(RTRP)and Fittings3D 3951 Practice for Commercial Packaging4F 412 Terminology Relating to Plastic Piping Systems32.2ANSI Standard:B 16.5 Steel Pipe Flanges and Flanged Fittings53.Terminology3.1 Definitions:3.1.1 GeneralDefinitions are in accordance with Ter
9、mi-nologies D 833 and F 412 and abbreviations are in accordancewith Terminology D 1600,unless otherwise indicated.Theabbreviation for reinforced thermosetting-resins pipe is RTRP.4.Classification4.1 General:4.1.1 Pipe meeting this specification is classified by type,grade,and class similar to Classi
10、fication D 2310.4.1.2 Fittings meeting this specification are also classifiedby types(method of manufacture)and grades(generic type ofresin).4.2 Types of Pipe:4.2.1 Type IFilament-wound pipe.4.2.2 Type IICentrifugally-cast pipe.4.3 Types of Fittings:4.3.1 Type IFilament-wound fittings.4.3.2 Type IIC
11、entrifugally-cast fittings.4.3.3 Type IIIMolded fittings.4.4 Grades of Pipe and Fittings:4.4.1 Grade IGlass-fiber-reinforced epoxy resin(pipe andfittings).4.5 Classes of Pipe:4.5.1 Class CEpoxy resin liner(nonreinforced).4.5.2 Class FEpoxy resin liner(reinforced).5.Materials and Manufacture5.1 Gener
12、alThe fiberglass pipe and fittings shall beround,straight,and of uniform density,resin content,andsurface finish.All pipe ends shall be cut at right angles to theaxis of the pipe and any sharp edges removed.The bore of thepipe shall contain a smooth uniform liner to protect the glassfiber reinforcem
13、ent.The liner shall be composed of all epoxy1This specification is under the jurisdiction of ASTM Committee D-20 onPlastics and is the direct responsibility of Subcommittee D20.23 on ReinforcedPlastic Piping System and Chemical Equipment.Current edition approved April 15,1995.Published June 1995.2An
14、nual Book of ASTM Standards,Vol 08.01.3Annual Book of ASTM Standards,Vol 08.04.4Annual Book of ASTM Standards,Vol 15.09.5Available from American National Standards Institute,11 West 42nd St.,13thFloor,New York,NY 10036.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,
15、PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTMNOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.resin formulation and may contain a reinforcement.The boreof the fit
16、tings shall have a smooth,uniform surface with noexposed fibers.5.2 MaterialsMaterials used shall be free from defectswhich would adversely affect the performance or maintainabil-ity of individual components or of the overall assembly.5.2.1 Pipe and FittingsThe pipe and fittings shall be madefrom epoxy resins and glass-fiber reinforcement.Fillers,colo-rants,and other materials may be added,provided that the pipeand fittings produced meet all the requirements of this speci-fication.5.2.2 Adhesive
