Transcription of API Standard 623
1 APIS teel BoltedFIRST EDITThis API staduty series petroleum rcorrosion, eindicate a ndiameters. This standaglobe valve bolted b outside rotating rising h conven stop-chdisc mathe stemflow fropartially plug, na metallic StanGlobe Vd BonneTION | SEPTEM ndard specifieof bolted bonnrefinery and reerosion and otneed for heavyrd sets forth tfeatures: bonnet, e screw and yog rising stems,andwheels antional, y-patteeck (nonreturay be positionem, but is free tom under the dy open positioarrow, conicalc seating surfad or butt-weldinndardValvesets MBER 2013 | 27es the requiremnet steel globeelated applicather service coy wall sections he requiremenoke, , and nonrotatnd nonrising harn, right-anglen type globe ved against theto rise as a chdisc, when then), , ball, or guideaces, ng ends. rd 62 Flan7 PAGES|$ for a hee valves for tions where onditions wouldand large stents for the follting rising stemandwheels, e, valves in whiche seat by actioheck valve duee stem is in a fed disc, 3 ged an00| PRODUCT eavy-d m owing ms, h the n of e to full or It c cor app For Onl Pho Fax APInd Butt-TNO.
2 C62301covers valves o2, 21/2, 3, 4rresponding to50, 65, 80, 1450, 500, 6plies for press150, 300, 6r ordering inforline: : 1-800-8(Toll-free(+1) 303(Local anx: (+1) 303I members rece-weldingof the nomina4, 6, 8, 10, 12o nominal pipe100, 150, 20000; sure class des00, 900, 150rmation: 54-7179 e in the an3-397-7056 nd Internationa3-397-2740 eive a 30% disg Endsl pipe sizes NP2, 14, 16, 18, e sizes DN: 0, 250, 300, 3ignations: 0, 2500. d Canada) al) scount where as, PS:20, 24; 350, 400, applicable. ContentsPage1 Scope .. 12 Normative References.. 13 Terms and Definitions.. 34 Pressure/Temperature Ratings .. 35 Design.. Body Wall Thickness.. Bonnet Wall Thickness .. Body Dimensions .. Bonnet Design .. Bonnet-to-body Joint .. Disc .. Yoke.. Stem, Stem Nut, and Yoke Bushing.. Packing and Packing Box.
3 Bolting.. Operation .. Stop-Check .. Bypasses and Other Auxiliary Connections .. 156 Materials.. Materials Other Than Trim Materials .. Trim .. 157 Testing, Inspection, and Examination.. Inspection and Examination.. Pressure Tests .. Inspection of Castings .. Repairs of Defects .. 198 Marking.. General .. Marking for Flow Direction .. 199 Preparation for Shipment.. Coatings .. Openings .. Disc Position .. Stem Packing .. Packaging .. 20 Annex A (informative) Information to be Specified by the Purchaser .. 21 Annex B (informative) Identification of Valve Terms .. 23 Annex C (informative) Valve Material Combinations .. 24 Bibliography .. 27vContentsPageFigures1 Identification of Terms .. 42 Typical Discs .. Valve Nomenclature .. 23 Tables1 Minimum Wall Thickness for Body and Bonnet.
4 42 Minimum Wall Thickness for Bonnet Neck Extension .. 63 Post Weld Heat Treatment for flange to Body Weld .. 74 Minimum Seat Diameter .. 75 Minimum Stem Diameter .. 116 Nominal Radial Width of Packing .. 137 Materials for Parts .. 168 Nominal Seating Surface, Stem, and Backseat Bushing or Weld Deposited Materials and Hardness.. 179 Trim Numbers and Alternative Trim Numbers .. Material Combinations for Group 1 Body, Bonnet, and Cover Materials .. Material Combinations for Group 2 Body to Bonnet Materials .. Body to Bonnet Bolting Materials .. 26vi
