Ivalve yebhabhathane luhlobo lwevalve esebenzisa uhlobo lwediski yokuvula kunye neendawo zokuvala ukujika umva naphambili malunga nama-90 ° ukuvula, ukuvala okanye ukulungelelanisa ukuhamba okuphakathi.I-valve ye-Butterfly ayinayo nje isakhiwo esilula, ubungakanani obuncinci, ubunzima obuncinci, ukusetyenziswa kwezinto eziphantsi, ubungakanani obuncinci bokufakela, i-torque encinci yokuqhuba, ukusebenza okulula kunye nokukhawuleza, kodwa kunomsebenzi wokulawula ukuhamba kakuhle kunye neempawu zokuvala kunye nokutywinwa ngexesha elifanayo.Iivalve zebhabhathane zisetyenziswa kakhulu.
Ngokusetyenziswa kwerabha yokwenziwa kweekhemikhali kwi-butterfly valves, ukusebenza kweevalve zebhabhathane kuye kwaphuculwa.Ekubeni irabha yokwenziwa ineempawu zokumelana nokugqwala, ukuxhathisa ukhukuliseko, ubungakanani obuzinzile, ukomelela okulungileyo, ukwenza lula, kunye neendleko eziphantsi, irabha yokwenziwa eneempawu ezahlukeneyo inokukhethwa ngokweemfuno ezahlukeneyo zesicelo ukuhlangabezana neemeko zokusebenza kweevalvu zebhabhathane.
Ngenxa yokuba i-polytetrafluoroethylene (PTFE) inokumelana nokugqwala okuqinileyo, ukusebenza okuzinzile, akulula ukuguga, i-coefficient ephantsi ye-friction, ilula ukumila, ubungakanani obuzinzile, kunye nokusebenza kwayo okubanzi kunokuphuculwa ngokuzaliswa kunye nokongeza izinto ezifanelekileyo zokufumana amandla angcono kunye nokuxhatshazwa.Imathiriyeli yokutywina yevalve yebhabhathane ene-coefficient esezantsi iyoyisa imida yerabha eyenziweyo.Ngoko ke, izinto eziphezulu ze-polymer ze-molecular ezimele i-polytetrafluoroethylene kunye nokuzaliswa kwazo izinto eziguquliweyo ziye zasetyenziswa ngokubanzi kwii-valve ze-butterfly, ukwenzela ukuba ukusebenza kwe-butterfly valves kunokuphuculwa.Kuye kwaphuculwa ngakumbi, kwaye i-valve ye-butterfly eneqondo lokushisa elibanzi kunye noluhlu loxinzelelo, ukusebenza okuthembekileyo kokutywinwa kunye nobomi obude benkonzo yenziwe.
Ukuze kuhlangatyezwane neemfuno zezicelo zemizi-mveliso ezifana nobushushu obuphezulu nobuphantsi, ukhukuliseko olunamandla, kunye nobomi obude, iivalve zebhabhathane ezitywinwe ngentsimbi ziye zaphuhliswa kakhulu.Ngokusetyenziswa kokumelana nobushushu obuphezulu, ukuxhathisa ubushushu obuphantsi, ukuxhathisa okuqinileyo, ukuxhathisa okuqinileyo kokhukuliseko, kunye nezixhobo eziphezulu zamandla ealloyi kwiivalvu zebhabhathane, iivalve zebhabhathane ezitywinwe ngentsimbi ziye zasetyenziswa kakhulu kwimimandla yemizi-mveliso efana namaqondo aphezulu naphantsi, anamandla. ukhukuliseko, kunye nobomi obude.Iivalvu zebhabhathane ezinobubanzi obukhulu (9 ~ 750 mm), uxinzelelo oluphezulu (42.0 MPa), kunye noluhlu olubanzi lobushushu (-196 - 606 ° C) ziye zavela.
Xa ivalve yebhabhathane ivulwe ngokupheleleyo, inokumelana nokuqukuqela okuncinci.Xa ukuvulwa kuphakathi kwe-15 ° ~ 70 °, kunokwenza ulawulo olucacileyo lokuhamba, ngoko ke kwintsimi yolawulo lwe-diameter enkulu, ukusetyenziswa kweevalve zebhabhathane kuxhaphake kakhulu.
Ekubeni ukuhamba kwepleyiti yebhabhathane kusula, iivalve ezininzi zebhabhathane zingasetyenziselwa imidiya kunye namasuntswana aqinileyo amisiweyo.Ngokuxhomekeke kumandla esitywina, ingasetyenziselwa i-powdery kunye ne-granular media.
Iivalve zebhabhathane zifanelekile kulawulo lokuhamba.Ekubeni ilahleko yoxinzelelo lwevalve yebhabhathane kumbhobho inkulu ngokwentelekiso, malunga nokuphinda kathathu kwevalve yesango, xa ukhetha ivalve yebhabhathane, impembelelo yelahleko yoxinzelelo kwinkqubo yombhobho kufuneka iqwalaselwe ngokupheleleyo, kunye namandla evalve yesango. ipleyiti yebhabhathane ukumelana noxinzelelo lwemibhobho ephakathi xa ivaliwe kufuneka nayo iqwalaselwe..Ukongeza, ukuncitshiswa kobushushu obusebenzayo bezinto zokuhlala ezilastiki kubushushu obuphezulu kufuneka kuqwalaselwe.
Ubude besakhiwo kunye nokuphakama ngokubanzi kwevalve yebhabhathane zincinci, isantya sokuvula kunye nokuvala sikhawuleza, kwaye sineempawu ezilungileyo zokulawula ulwelo.Umgaqo wokwakhiwa kwevalve yebhabhathane yeyona ifanelekileyo ukwenza iivalve ezinobubanzi obukhulu.Xa i-valve butterfly iyadingeka ukuba isetyenziswe ukulawula ukuhamba, into ebaluleke kakhulu kukukhetha ngokuchanekileyo inkcazo kunye nohlobo lwevalve yebhabhathane ukuze isebenze ngokufanelekileyo nangempumelelo.
Ngokuqhelekileyo, iivalve ze-butterfly zinconywa ukubethelwa, ukulawula ukulawulwa kunye nodaka lweendaba apho ubude obufutshane besakhiwo, ukuvulwa okukhawulezayo kunye nokuvala isantya, kunye nokunciphisa uxinzelelo oluphantsi (umahluko omncinci woxinzelelo) kufuneka.Iivalve ze-Butterfly zingakhethwa ukulungiswa kwe-double-position, iziteshi ezincitshisiweyo ze-diameter, ingxolo ephantsi, i-cavitation kunye ne-vaporization, inani elincinci lokuvuza kwi-atmosphere, kunye ne-media abrasive.Ukulungelelaniswa kwe-Throttle phantsi kweemeko ezikhethekileyo zokusebenza, okanye iimeko zokusebenza ezifuna ukutywinwa okungqongqo, ukugqoka okunzima, ukushisa okuphantsi (cryogenic) kunye nokunye.
| IValve yebhabhathane yeGrooved Flanged | |||||||
| Ukucaciswa kweNominal | Uxinzelelo | Ubungakanani (mm) | |||||
| mm | intshi | PN | H | D | F | d | B |
| 50 | 2 | 10 | 157 | 52 | 60.3 | 65 | 81 |
| 16 | 157 | 52 | 60.3 | 65 | 81 | ||
| 25 | 157 | 52 | 60.3 | 65 | 81 | ||
| 65 | 2.5 | 10 | 182 | 63 | 73 | 65 | 96.8 |
| 16 | 182 | 66 | 76.1 | 65 | 96.8 | ||
| 25 | 182 | 66 | 76.1 | 65 | 96.8 | ||
| 80 | 3 | 10 | 196 | 78.8 | 88.9 | 65 | 96.8 |
| 16 | 196 | 78.8 | 88.9 | 65 | 96.8 | ||
| 25 | 196 | 78.8 | 88.9 | 65 | 96.8 | ||
| 100 | 4 | 10 | 226 | 96.3 | 108 | 65 | 115.8 |
| 16 | 226 | 96.3 | 108 | 65 | 115.8 | ||
| 25 | 233 | 102.8 | 114.3 | 65 | 115.8 | ||
| 125 | 5 | 10 | 273 | 120.6 | 133 | 90 | 147.6 |
| 16 | 279 | 127.1 | 139.7 | 90 | 147.6 | ||
| 25 | 279 | 127.1 | 141.3 | 90 | 147.6 | ||
| 150 | 6 | 10 | 298 | 145.1 | 159 | 90 | 147.6 |
| 16 | 303 | 151.6 | 165.1 | 90 | 147.6 | ||
| 25 | 303 | 151.6 | 168.3 | 90 | 147.6 | ||
| 200 | 8 | 10 | 369 | 230.4 | 219.1 | 90 | 133.4 |
| 16 | 369 | 230.4 | 219.1 | 90 | 133.4 | ||
| 25 | 369 | 230.4 | 219.1 | 90 | 133.4 | ||
