UHenry Pratt ungumkhiqizi ohamba phambili wama-valve nezinye izesekeli, oneminyaka engaphezu kwengu-60 yesipiliyoni senkonzo embonini yamandla.
UPratt ungene embonini kagesi ngomsebenzi wokulungisa e-Federal Edison Building eChicago. Le ndawo bekungenye yezindawo eziyinhloko zokukhiqiza ugesi zika-Edison ngaleso sikhathi. I-valve iyadingeka epayipini lamanzi okwamanje elingenayo i-valve futhi eline-headroom encane. UHenry Pratt wacelwa ukuba aklame i-valve ehlangene ukuze axazulule le nkinga. Idizayini ekhiqizwayo iyi-valve yesihlalo esinwebekayo sovemvane, ngolunye usuku ezoba umkhiqizo oyinhloko wenkampani.
Kuze kube maphakathi nawo-1940s, uPratt waqhubeka nokukhiqiza ama-valve uvemvane avala uphawu ngokuvumelana nezimo ezithile, kodwa ngemva kweMpi Yezwe II, uPratt wanquma ukuthuthukisa i-valve njengomugqa womkhiqizo wokusebenzisa amandla nezitshalo zamanzi. Namuhla, uHenry Pratt ungumholi ezimakethe zamandla namanzi.
Ivalvu yamanzi enuzi ewuchungechunge engu-1100 iyileveli ye-ASME 2 kanye ne-3 ye-nuclear ehlobene nokuphepha kwe-butterfly valve, esukela ngosayizi ukusuka kumayintshi angu-6 kuya kumayintshi angu-36 (futhi inkulu njengoba kudingeka). Ibanga lokuklama lifanele i-ANSI 150# ibanga lokucindezela elijwayelekile. Kumavalvu amakhulu kuno-24 amayintshi, 75 psig service grade, ASME Sec ivumela. Isigaba sekhodi ye-III 1678, siyatholakala.
Izici zokuklama zochungechunge lwe-1100 zifaka umzimba we-flange, owenziwe ngezinto ezihambisana ne-SA-216, Gr. I-WCB noma i-SA-516, Gr. 70; I-valve disc, engakhiwa noma iphonswe isakhiwo noma i-carbon steel. I-carbon steel disc inomphetho wesihlalo se-valve yensimbi engagqwali, ehlanganisa bonke ububanzi bendawo yokuhlala ye-valve; kanye nesihlalo sevalvu yenjoloba, eboshelwe unomphela noma elungiswe ngomshini emzimbeni wamavalvu ngaphandle kokusebenzisa izixhumi ezinentambo. I-valve shaft ingaba isakhiwo esiwucezu olulodwa esidlulela kudiski ye-valve, noma ingaba ne-shaft enezingcezu ezimbili efakwe kuhabhu le-valve disc.
I-valve ye-nuclear air ewuchungechunge engu-1200 iyi-ASME Class 2 kanye ne-Class 3 ye-nuclear ehlobene nesevisi ye-air service butterfly valve, esukela ngosayizi osuka kumayintshi angu-6 ukuya kwangu-48 amayintshi. Izinga lokuklama liyafana nochungechunge lwe-1100.
Izici zokuklama zochungechunge lwe-1200 ziyefana nalezo zochungechunge lwe-1100, kufaka phakathi umzimba we-flange, i-disc ye-valve yesakhiwo sensimbi esenziwe ngaphambili noma esakhiwe esinesihlalo senjoloba esingaguquki futhi esilungisekayo, kanye nesakhiwo esisodwa noma i-shaft enezicucu ezimbili. .
I-valve yamanzi enuzi ewuchungechunge engu-1400 iyileveli ye-ASME 2 kanye ne-3 ye-nuclear ehlobene nokuphepha kwe-butterfly valve, esukela ngosayizi osuka kumayintshi angu-3 ukuya kwangu-24 amayintshi. Ibanga lokuklama lifanele izinga lokucindezela elijwayelekile i-ANSI 150# grade.
Izici zokuklama nezinto zokwakha zochungechunge lwe-1400 zilingisa uchungechunge lwe-1100 ngoba ukusetshenziswa kwazo kuyafana.
I-valve uvemvane evalwe ngerabha i-Triton XR-70 ihlangabezana nezimfuneko ze-AWWA C504, ezisukela ngosayizi ukusuka kumayintshi angu-24 ukuya kwangu-144 amayintshi. Izitayela ze-valve ezijwayelekile ziyi-flange x isiphetho se-flange, isiphetho sokuhlangana kwemishini (MJ) (24 amayintshi-48 amayintshi), kanye nesiphetho se-flange ne-MJ (amayintshi angu-24, amayintshi angu-30, namayintshi angu-36).
Izici ze-Triton zifaka ukwakhiwa kwesihlalo se-Pratt E-Lok kanye ne-circulation tray design. Idizayini yesihlalo se-valve ye-E-Lok iyamukelwa, futhi isihlalo sevalvu yenjoloba sifakwa emzimbeni wevalvu ukuze sinikeze ukuvala okungangenwa umoya. Idizayini yethreyi yokuhambisa ifinyelela amandla aphezulu ngesisindo esilula kunanoma yimuphi omunye umklamo wethreyi osemakethe njengamanje. Isixhumanisi senkampani www.henrypratt.com
Izindaba zamandla kanye nama-athikili afaka ukujula amayelana nokuqanjwa kabusha kwamandla kanye nokuthrendayo ekuthengiseni kwabahlinzeki bamandla kwakamuva, amandla avuselelekayo, ilanga, umoya wasogwini lolwandle, amandla aphehlwa ngamanzi, amalahle namandla enuzi.
Isikhathi sokuthumela: Oct-11-2021
