Ukucaciswa ngokomzimba
Okokuqala nokubaluleke kakhulu, i-flange kufanele ilingane nepayipi noma imishini eyenzelwe ngayo. Ukucaciswa ngokomzimba kwama-flanges amaphayiphu kufaka phakathi ubukhulu kanye nobunjwa bokwakha.
Ubukhulu be-Flange
Ubukhulu bomzimba kufanele bucaciswe ukuze usayizi usayizi osayizi kahle.
Ngaphandle kobubanzi (od) ibanga phakathi kwemiphetho emibili ephikisayo yobuso be-flange.
Ubukhulu bubhekisa ebunyeni bokunamathisela okungaphandle okunamathiselwe, futhi akufaki ingxenye ye-flange ephethe ipayipi.
Ububanzi be-Bolt Circle bude kusuka enkabeni yomgodi we-bolt enkabeni yomgodi ophikisayo.
Usayizi wepayipi usayizi wepayipi wepayipi ohambisanayo, olwakhelwe ngokwezindinganiso ezamukelekayo. Imvamisa kuchazwe izinombolo ezimbili ezingezona ezinobukhulu, usayizi wepayipi ongizigama (NPS) kanye noHlelo (SHSCH).
Usayizi onobukhulu obukhulu ububanzi obungaphakathi kwesixhumi se-flange. Lapho bekhiqiza futhi behlela noma yiluphi uhlobo lwesixhumi sepayipi, kubalulekile ukufanisa usayizi onobukhulu bengxenye ngosayizi onobukhulu bepayipi lokukhwelana.
Flange Faces
Ubuso obuhle buhle bungakhiqizwa ngenani elikhulu lezidingo zokwakheka ngokwezifiso ezenzelwe. Ezinye izibonelo zifaka:
Caba
Ubuso obuphakanyisiwe (RF)
I-Ring Type Collent (RTJ)
O-ring groove
Izinhlobo zamaphaseli wepayipi
Ama-flanges amaphayi ahlukaniswe izinhlobo eziyisishiyagalombili ezisuselwa ekuklameni. Lezi zinhlobo ziyimpumputhe, i-lap ehlanganisiwe, i-orifice, ukunciphisa, ukushelela, i-socket-weld, i-threaded, nentamo ye-weld.
Ama-Flanges ayimpumputhe angamapuleti ayindilinga engenasikhungo esibanjiwe asetshenziselwa ukuvala iziphetho zamapayipi, ama-valve, noma imishini. Basiza ekuvumela ukufinyelela okulula kulayini uma sekuboshwe uphawu. Zingasetshenziselwa ukuhlolwa kwengcindezi yokugeleza. Ama-flanges ayimpumputhe enziwe afanele amapayipi ajwayelekile kuwo wonke amasayizi aphezulu wokulinganisa kwezilinganiso kunezinye izinhlobo ze-flange.
Ama-Flanges ahlanganisiwe we-Lap asetshenziswa kumapayipi afakwe ngepayipi eliboshwe noma nge-LAP Joint Stud Stud Ends. Bangakwazi ukuzungeza ipayipi ukuvumela ukuqondanisa okulula kanye nomhlangano wezimbobo ze-bolt ngisho nangemva kokuba ama-welds eseqediwe. Ngenxa yalolu nzuzo, amaflethi ahlanganisiwe we-LAP asetshenziswa ezinhlelweni ezidinga ukuhlukaniswa okujwayelekile kwama-flanges nepayipi. Ziyafana nama-flanges ezishelelayo, kepha zine-radius egobile embonini nangobuso ukuze kuhlaliswe ukuphela kwe-lap ehlanganayo. Izilinganiso zokucindezela kwama-Flanges ezihlangene ze-LAP ziphansi, kepha ziphakeme kunokuba ama-flanges ashelelayo.
Ama-Flanges ashelelayo aklanyelwe ukuslayida ngaphezulu kokuphela kwamapayipi abese efakwa endaweni. Banikeza ukufakwa okulula futhi okubiza kakhulu futhi balungele izinhlelo zokusebenza zengcindezi eziphansi.
Ama-flanges we-Socket Weld alungele amapayipi amancane, aphezulu wokucindezela. Ukuhlupheka kwabo kuyafana nalokho kwama-flanges ashelelayo, kepha ukwakheka kwephakeji yangaphakathi kuvumela ukugeleza okubushelelezi okubushelelezi nokudla okungcono. Lapho kufakwa ngaphakathi, la ma-flanges nawo ukukhathala kunamandla ama-50% amakhulu kunama-flanges ase-welded-on kabili.
Ama-Flanges ahlanganisiwe yizinhlobo ezikhethekile ze-Pipe Flange ezinganamathiselwa kwipayipi ngaphandle kwe-welding. Zitholwa emlonyeni ukuze zihambisane nentambo yangaphandle ngepayipi futhi zithambekele ukudala uphawu phakathi kwe-flange nepayipi. Ama-weld ama-welld nawo angasetshenziswa kanye nokuxhunywa okuhlanganisiwe kokuqiniswa okungeziwe nokubekwa uphawu. Zisetshenziselwa kangcono amapayipi amancane nezingcindezi eziphansi, futhi kufanele zigwenywe kuzinhlelo zokusebenza ezinemithwalo emikhulu nama-torque aphezulu.
Ama-Flanges we-Welding Flanges ane-hub ende ye-tapered futhi asetshenziselwa izinhlelo zokusebenza eziphezulu zokucindezela. I-tapered hub idlulisela ingcindezi kusuka ku-flange ku-pipe uqobo futhi inikeze amandla okuqinisa amandla okulimaza.
Isikhathi sePosi: Oct-21-2021