1、CONTENTSForewordCommittee Roster。，。，。，。，。，。，。vii1 General11.1 Scope。40。04。4。g。4.404ee4.04。1.2Codes and Regulations1.3Units of Measurement11.4 Quality Systems。44。4。4。4t。442Pressure-Temperature Ratings.2.1General.12.2Ratings of Flanged Joints.2.3Rating Temperature.12.4 Low Temperature Service.2.5 Syst
2、em Hydrostatic Test.23 Sizes and Methods of Designating Openings3.1 Regular Flanges or Fittings4.44。4。44。4。4g0。g。40443.2Reduced Fittings74 Marking4.1 General75 Materials75.1 General5.2 Flanges75.3Flanged Fittings.5.4 Bolting75.5Gaskets.95.6 Materials Selection，。，。,，。”*”96 Flange Dimensions.96.1Gener
3、al.96.2 End Flange Facings96.3Threaded Flanges.96.4Thread Chamfer96.5Thread Length.96.6Threaded Gaging96.7Threaded Flange Assembly106.8Integral Flanges.16.9Spot and Back Facing.107Fitting Dimensions。，,ggg。t。107.1 Center-to-Face Dimensions07.2 Wall Thickness.1i进No roproduction or notworking permitled
4、 without liconso from IHSNot for Rosale8 Bolting,Nuts,and Gaskets119 Tolerances119.1 Wall Thickness,.,.,.,119.2Center-to-Face。,。,119.3Pacings.119.4Flange Thickness.19.5Counterbore,Threaded Flanges.119.6Drilling and Facing.1110 Tests.1110.1 Flange Testing，。,。,。,，。11Figure1 Method of Designating Outle
5、ts of Reducing Fittings.8Tables1Pressure-Temperature Ratings for ASTM B62,Alloy C83600 andASTM B61,Alloy C9220.2 Pressure-Temperature Ratings for ASTM B148,Alloy C95200.23Dimensions of Class 150 Threaded Companion and Blind Flanges forA1 loys C83600andC92200.34Dimensions of Class 150 Elbows.Tees.Cro
6、sses.Laterals.True Ys(Straight Sizes),and Reducers.5Dimensions of Class 300 Threaded Companion and Blind Flanges forAlloys C83600andC92200.56 Dimensions of Class 300 Elbows.Tees.Crosses.Laterals.True Ys(Straight Sizes),and Reducers.Mandatory AppendixIReferences。13Nonmandatory AppendixA Quality System Program14ivNo roproduction or notworking permitled without liconso from IHSNot for Rosale