1、Designation:C150902(Reapproved 2012)Standard Specification forBeaded Process Glass Pipe and Fittings1This standard is issued under the fixed designation C1509;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.
2、A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers chemically resistant,low ex-pansion Type-I borosilicate glass,Class A,(see SpecificationE438)used to manufactur
3、e beaded end flanged-glass pipe andfittings for pressure and vacuum applications.2.Referenced Documents2.1 ASTM Standards:2C162 Terminology of Glass and Glass ProductsC600 Test Method of Thermal Shock Test on Glass PipeC601 Test Method for Pressure Test on Glass PipeC623 Test Method for Youngs Modul
4、us,Shear Modulus,and Poissons Ratio for Glass and Glass-Ceramics byResonanceC693 Test Method for Density of Glass by BuoyancyE438 Specification for Glasses in Laboratory Apparatus3.Terminology3.1 For definitions of terms used in this specification,referto Terminology C162.4.Materials and Manufacture
5、4.1 The glass shall be reasonably free of surface defects,such as open blisters or airlines and scratches,and shall becompletely free of chips and checks.This is applicable to boththe inside and outside surfaces.It shall represent good work-manship as consistent with standard glass process capabilit
6、ies.4.2 Heat Treatment or AnnealingPipe and fittings may besuitably heat treated(tempered)or annealed as specified by themanufacturer.5.Chemical Requirements5.1 The chemical requirements shall be in accordance withSpecification E438.6.Physical Requirements6.1 The physical requirements shall be as de
7、scribed inSpecification E438.6.2 Refer also to Annex A1 for additional physical require-ments.7.Operating Temperatures7.1 Minimum Operating TemperatureThe minimum ratedoperating temperature for all sizes shall be 0F(18C)provided that the temperature of the material being conveyed isabove the freezin
8、g point.7.2 Maximum Operating TemperatureThe maximumrated operating temperature for all sizes shall be 350F(177C).7.3 Thermal Shock ResistanceThe maximum allowablesudden temperature differential for properly installed systemsshall be in accordance with Table 1 for the various pipe sizes.7.3.1 Maximu
9、m temperature differential refers to an almostinstantaneous temperature change,such as low-pressure steamfollowed directly by a flush of ice cold water,or the reverse.Maximum temperature differential pertains to inside and out-side surfaces,exclusive of sign.7.3.2 The test method for thermal shock i
10、s not ordinarilyperformed,but in those cases where thermal shock resistancemay be questioned,it may be performed in accordance withMethod C600.Acceptance of this test shall be that all testedware shall pass.If one or more failures do occur,a secondsampling twice the population of the first,shall be
11、tested.If anyfailures occur in the second sampling,the entire shipment shallbe rejected.8.Pressure Rating8.1 Maximum recommended working pressure for beadedglass process pipe and fittings shall be in accordance withTable 2,when the pipe is installed in accordance with manu-facturers recommendations,
12、and when operated within themaximum temperature differential and temperature limit.See8.3 for vacuum service.8.2 Acceptance Pressure TestIndividual lengths of beadedprocess pipe or fittings shall withstand an internal hydrostaticpressure test when tested in accordance with Method C601.Acceptance of
13、this test shall be that all tested ware shall pass.1This specification is under the jurisdiction of ASTM Committee C14 on Glassand Glass Products and is the direct responsibility of Subcommittee C14.05 onGlass Pipe.Current edition approved Oct.1,2012.Published October 2012.Originallyapproved in 2001
14、.Last previous edition approved in 2002 as C1509-02(2007).DOI:10.1520/C1509-02R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page ont
15、he ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 If one or more failures do occur,a second sampling twice thepopulation of the first shall be tested.If any failures occur inthe second sampling,the entire shipment shall be r
16、ejected.8.3 All pipe sizes are suitable for vacuum applications.9.Dimensions and Permissible Variations9.1 Beaded Flanges:9.1.1 Flange Face FlatnessMaximum permissible devia-tion from a flat plane across the face of the flange on all sizesshall be116in.(1.6 mm).9.1.2 Flange Face SquarenessFlange faces of both pipeand fittings shall be square to the centerline within the limitprescribed in Table 3.9.1.2.1 Squareness of straight pipe lengths shall be mea-sured by placing the pipe on rollers,locate
