ASME Section I Power Boilers - Types, Design, Fabrication, Inspection & Repair

CONTENTS......Page 5
LIST OF SECTIONS......Page 15
FOREWORD......Page 17
STATEMENT OF POLICY......Page 19
PERSONNEL......Page 20
PREAMBLE......Page 32
SUMMARY OF CHANGES......Page 34
LIST OF CHANGES IN RECORD NUMBER ORDER......Page 39
PG-4 UNITS......Page 41
TABLES......Page 42
PG-8 CASTINGS......Page 43
PG-9 PIPES, TUBES, AND PRESSURE CONTAINING PARTS......Page 44
PG-10 MATERIAL IDENTIFIED WITH ORPRODUCED TO A SPECIFICATIONNOT PERMITTED BY THIS SECTION, AND MATERIAL NOTFULLY IDENTIFIED......Page 46
PG-11 MISCELLANEOUS PRESSURE PARTS......Page 48
PG-14 RIVETS......Page 49
PG-19 COLD FORMING OF AUSTENITIC MATERIALS8......Page 50
PG-23 STRESS VALUES FOR CALCULATION FORMULAS......Page 51
TABLE PG-20 POST COLD-FORMING STRAIN LIMITS AND HEAT-TREATMENT REQUIREMENTS......Page 53
PG-27 CYLINDRICAL COMPONENTS UNDER INTERNAL PRESSURE......Page 55
FIG. PG-28 MAXIMUM INTERNAL PROJECTION OF WELDED ACCESS OR......Page 60
PG-31 UNSTAYED FLAT HEADS AND COVERS......Page 62
PG-32 OPENINGS IN SHELLS, HEADERS, AND DISHED HEADS......Page 66
PG-33 COMPENSATION REQUIRED FOR OPENINGS IN SHELLS AND DISHED HEADS......Page 67
FIG. PG-33.3 CHART FOR DETERMINING......Page 70
PG-37 STRENGTH OF COMPENSATION......Page 71
FIG. PG-38 ILLUSTRATIONS OF THE RULE GIVEN IN......Page 72
TABLE PG-39 MINIMUM NUMBER OF THREADS PER CONNECTION......Page 73
PG-44 INSPECTION OPENINGS......Page 76
FIG. PG-46.2 ACCEPTABLE PROPORTIONS FOR......Page 77
PG-52 LIGAMENTS......Page 78
PG-58 OUTLETS AND EXTERNAL PIPING......Page 81
PG-59 APPLICATION REQUIREMENTS FORTHE BOILER PROPER......Page 88
PG-60 REQUIREMENTS FOR MISCELLANEOUS PIPE,VALVES, AND FITTINGS......Page 90
FIG. PG-60.3.9 TYPICAL ARRANGEMENT OF STEAM......Page 93
PG-67 BOILER......Page 94
PG-68 SUPERHEATER AND REHEATER......Page 97
PG-69 CERTIFICATION OF CAPACITY OF PRESSURE RELIEF VALVES......Page 98
PG-70 CAPACITY OF PRESSURE RELIEFVALVES......Page 103
PG-71 MOUNTING OF PRESSURE RELIEFVALVES......Page 105
PG-72 OPERATION OF PRESSURE RELIEFVALVES......Page 107
PG-73 MINIMUM REQUIREMENTS FOR PRESSURE RELIEF VALVES......Page 108
PG-80 PERMISSIBLE OUT-OF-ROUNDNESS OF CYLINDRICAL SHELLS......Page 112
FIG. PG-80 MAXIMUM PERMISSIBLE DEVIATION FROM A CIRCULAR FORM, e, FOR CYLINDRICAL PARTS......Page 113
PG-91 QUALIFICATION OF INSPECTORS......Page 114
PG-101 HEATING SURFACE COMPUTATION......Page 115
FIG. PG-105.3 OFFICIAL SYMBOL FOR STAMP TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR WELDED PIPING......Page 116
PG-106 STAMPING OF BOILERS......Page 118
PG-107 FIELD ASSEMBLY......Page 120
PG-109 STAMPING OF PRESSURE PIPING......Page 121
PG-111 LOCATION OF STAMPINGS......Page 122
PG-112 MANUFACTURER’S DATA REPORT FORMS......Page 123
PG-113 MASTER DATA REPORT FORM......Page 125
FIG. PG-31 SOME ACCEPTABLE TYPES OF UNSTAYED FLAT HEADS AND COVERS......Page 63
FIG. PG-33.1 NOMENCLATURE AND FORMULAS FOR REINFORCED OPENINGS......Page 68
FIG. PG-33.2 SOME REPRESENTATIVE CONFIGURATIONS DESCRIBING THE DIMENSIONS te, h, and d......Page 69
FIG. PG-42.1 WELDING END TRANSITIONS MAXIMUM ENVELOPE......Page 75
FIG. PG-52.1 DIAGRAM FOR DETERMINING THE EFFICIENCY OF......Page 79
FIG. PG-52.5 EXAMPLE OF TUBE SPACING WITH......Page 80
FIG. PG-52.6 DIAGRAM FOR DETERMINING EQUIVALENT......Page 82
FIG. PG-58.3.1(a) CODE JURISDICTIONAL LIMITS FOR PIPING — DRUM-TYPE BOILERS......Page 83
FIG. PG-58.3.1(b) CODE JURISDICTIONAL LIMITS FOR PIPING — ISOLABLE ECONOMIZERS LOCATED IN FEEDWATER......Page 84
FIG. PG-58.3.1(c) CODE JURISDICTIONAL LIMITS FOR PIPING — REHEATERS AND NONINTEGRAL......Page 85
FIG. PG-58.3.2 CODE JURISDICTIONAL LIMITS FOR PIPING — AN EXAMPLE OF......Page 86
FIG. PG-58.3.3 CODE JURISDICTIONAL LIMITS FOR PIPING — AN EXAMPLE OF STEAM SEPARATOR TYPE......Page 87
FIG. PG-59.1 TYPICAL BOILER BUSHINGS......Page 89
FIG. PG-60.3.7 Y-TYPE GLOBE VALVE......Page 92
FIG. PG-67.4 REQUIREMENTS FOR OVERPRESSURE PROTECTION FORCED-FLOW STEAM GENERATOR......Page 96
FIG. PG-105.4 OFFICIAL SYMBOL FOR STAMP TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR BOILER PRESSURE RELIEF VALVES DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR BOILER PRESSURE RELIEF VALVES......Page 117
FIG. PG-106 FORM OF STAMPING......Page 119
TABLE PG-19 POST COLD-FORMING STRAIN LIMITS AND HEAT-TREATMENT REQUIREMENTS......Page 52
TABLE PG-26 WELD STRENGTH REDUCTION FACTORS TO BE APPLIED WHEN CALCULATING MAXIMUM ALLOWABLE......Page 56
TABLE PG-68.7 SUPERHEAT CORRECTION FACTOR, Ksh......Page 99
TABLE PG-68.7M SUPERHEAT CORRECTION FACTOR, Ksh......Page 100
TABLE PG-69.2.3 SUPERCRITICAL CORRECTION FACTOR, Ksc......Page 104
TABLE PG-69.2.3M SUPERCRITICAL CORRECTION FACTOR, KSC......Page 106
PW-5 GENERAL......Page 126
FIG. PW-9.1 BUTT WELDING OF PLATES OF UNEQUAL THICKNESS......Page 127
FIG. PW-9.2 PROHIBITED WELDED JOINT......Page 128
PW-16 MINIMUM REQUIREMENTS FOR ATTACHMENT WELDS......Page 130
PW-27 WELDING PROCESSES......Page 137
FIG. PW-19.4(b) UNACCEPTABLE TYPES OF DIAGONAL BRACES FOR INSTALLATION BY WELDING......Page 138
TABLE PW-33 ALIGNMENT TOLERANCE OF SECTIONS TO BE BUTT WELDED......Page 140
PW-39 REQUIREMENTS FOR POSTWELD HEAT TREATMENT......Page 141
TABLE PW-39.1 ALTERNATE POSTWELD HEAT TREATMENT REQUIREMENTS FOR CARBON AND LOW ALLOY STEELS......Page 152
PW-41 CIRCUMFERENTIAL JOINTS IN PIPES, TUBES, AND HEADERS......Page 153
FIG. PW-43.1 METHOD OF COMPUTATION OF ATTACHMENTS TO TUBES......Page 154
PW-44 FABRICATION RULES FOR BIMETALLIC TUBES WHEN THE CLAD STRENGTH IS INCLUDED......Page 155
PW-48 CHECK OF WELDER AND WELDING OPERATOR PERFORMANCE QUALIFICATIONS......Page 158
PW-52 ULTRASONIC EXAMINATION......Page 159
PW-53 TEST PLATES......Page 160
PW-54 HYDROSTATIC TEST......Page 162
FIG. PW-15 EXAMPLES OF WELD STRENGTH CALCULATIONS......Page 131
FIG. PW-16.1 SOME ACCEPTABLE TYPES OF WELDED NOZZLES AND OTHER CONNECTIONS TO SHELLS, DRUMS, AND HEADERS......Page 132
FIG. PW-16.2 SOME ACCEPTABLE FORMS OF WELDS FOR LUGS, HANGERS, AND BRACKETS ON SHELLS, DRUMS, AND HEADERS......Page 136
TABLE PW-43.1 TUBE ATTACHMENT ANGLE DESIGN FACTOR, K......Page 156
FIG. PW-53.2 METHOD OF FORMING LONGITUDINAL TEST PLATES......Page 161
FIG. PW-53.3(a) DETAILS OF TENSION TEST SPECIMENS......Page 163
FIG. PW-53.3(b) DETAILS OF BEND TEST SPECIMENS......Page 164
TABLE PW-11 REQUIRED VOLUMETRIC EXAMINATION OF WELDED BUTT JOINTS......Page 129
TABLE PW-39 MANDATORY REQUIREMENTS FOR POSTWELD HEAT TREATMENT OF PRESSURE PARTS AND ATTACHMENTS......Page 143
PART PR REQUIREMENTS FOR BOILERS FABRICATED BY RIVETING......Page 165
PB-1 GENERAL......Page 166
TABLE PB-1 MAXIMUM DESIGN TEMPERATURES [°F (°C)] FOR BRAZING FILLER METAL......Page 167
PB-19 BRAZED CONNECTIONS......Page 168
TABLE PB-16 RECOMMENDED JOINT CLEARANCE AT BRAZING TEMPERATURE......Page 169
PB-47 CHECK OF BRAZING PROCEDURE......Page 170
PB-51 GENERAL......Page 171
PWT-11 TUBE CONNECTIONS......Page 172
FIG. PWT-12.2 METHOD OF FORMING WATERLEG JOINTS BY WELDING......Page 174
FIG. PWT-11 EXAMPLES OF ACCEPTABLE FORMS OF TUBE ATTACHMENT......Page 173
PFT-11 ATTACHMENT OF HEADS AND TUBESHEETS......Page 175
FIG. PFT-12.1 SOME ACCEPTABLE FORMS OF TUBE ATTACHMENT ON FIRETUBE BOILERS......Page 176
PFT-13 COMBUSTION CHAMBER TUBESHEET......Page 177
FIG. PFT-17.2 ACCEPTABLE TYPE OF RING-REINFORCED FURNACE......Page 178
FIG. PFT-18.1 MORISON FURNACE......Page 179
FIG. PFT-20 WELDING OGEE RING......Page 180
FIG. PFT-21 SOME ACCEPTABLE METHODS OF FORMING WATERLEG JOINTS BY WELDING......Page 181
FIG. PFT-25 EXAMPLE OF STAYING OF HEADS ADJACENT TO CYLINDRICAL FURNACES......Page 183
PFT-30 CROWN BARS AND GIRDER STAYS......Page 185
FIG. PFT-32 MEASUREMENTS FOR DETERMINING STRESSES IN DIAGONAL STAYS......Page 186
PFT-45 REQUIREMENTS FOR DOMES......Page 187
FIG. PFT-46.1 SPACING AND WELD DETAILS FOR WALL-SUPPORT LUGS SET IN PAIRS ON HORIZONTAL-RETURN TUBULAR BOILERS......Page 188
FIG. PFT-46.2 WELDED BRACKET CONNECTION FOR HORIZONTAL-RETURN TUBULAR BOILERS......Page 189
PFT-51 MAXIMUM ALLOWABLE WORKING PRESSURE......Page 190
PFT-52 FUSIBLE PLUGS......Page 191
FIG. PFT-23.1 STAYED WRAPPER SHEET OF LOCOMOTIVE-TYPE BOILER......Page 182
FIG. PFT-27 PITCH OF STAYBOLTS ADJACENT TO UPPER CORNERS OF FIREBOXES......Page 184
PFH-1......Page 192
PMB-9 WELDING......Page 193
PMB-21 HYDROSTATIC TESTS AND INSPECTION......Page 194
PEB-5 GENERAL......Page 196
PEB-15 PRESSURE RELIEF VALVES......Page 197
PEB-18 INSPECTION AND STAMPING OF BOILERS......Page 198
PEB-19 MANUFACTURER’S DATA REPORT FOR ELECTRIC BOILERS......Page 199
PVG-12 PRESSURE RELIEF VALVES......Page 200
FIG. PVG-12 CONSTANT, C, FOR VAPOR RELATED......Page 201
PHRSG-4 DESUPERHEATER DRAIN POTS......Page 202
TABLE PHRSG-4 MINIMUM DRAIN POT SIZE......Page 204
FIG. PHRSG-4 SOME ACCEPTABLE DESUPERHEATER SPRAYWATER PROTECTION DEVICE ARRANGEMENTS......Page 203
MANDATORY APPENDIX I SUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND PRESSURE VESSEL COMMITTEE......Page 205
MANDATORY APPENDIX II STANDARD UNITS FOR USE IN EQUATIONS......Page 207
MANDATORY APPENDIX III CRITERIA FOR REAPPLICATION OF AN ASME CODE SYMBOL STAMP......Page 208
MANDATORY APPENDIX IV LOCAL THIN AREAS IN CYLINDRICAL SHELLS AND IN SPHERICAL SEGMENTS OF HEADS......Page 211
NONMANDATORY APPENDIX A EXPLANATION OF THE CODE CONTAINING MATTER NOT MANDATORY UNLESS SPECIFICALLY REFERRED TO IN THE RULES OF THE CODE......Page 214
NONMANDATORY APPENDIX B POSITIVE MATERIAL IDENTIFICATION PRACTICE......Page 301
INDEX......Page 304
SUBJECT INDEX......Page 0