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Amavalvu ebhola e-steam flange embonini ye-Shenchi amelana nokushisa okuphezulu afaka umzimba owenziwe ngethusi elikhethwe ngokucophelela, i-SUS304, noma i-SUS316L, onomgogodla wevalvu eyenziwe ngethusi noma ngensimbi engagqwali. Ifakwe uphawu lwe-PPL yezinga lokushisa eliphezulu, ifinyelela ku-zero ukuvuza ezindaweni zesitimu kufika ku-250 ℃. Ukuxhumeka kwe-flange kuqinile futhi kuthembekile, amelana nomthelela wesando samanzi, nge-torque ephansi yokuvula nokuvala nokusebenza okulula. Ama-valve e-Shenchi awakwazi ukugqwala futhi amelana nokucindezela okuphezulu, afaneleka kumanethiwekhi epayipi le-steam, iziteshi zokushintshanisa ukushisa, nezinye izimo zokusebenza, anciphisa ngokuphawulekayo imvamisa yokulungisa futhi azenze zibe izingxenye ezifanelekile zokulawula ukuvala amasistimu we-steam.
Ama-valve ebhola e-Shenchi steam flange asebenzisa izigxivizo ze-PPL ezisebenza kahle kakhulu. I-PPL (i-para-polystyrene) iyipulasitiki yobunjiniyela ekwazi ukumelana nezinga lokushisa eliphezulu enomkhawulo wezinga lokushisa eliphansi cishe elingu -20℃. Ngaphezu kwalokhu kushisa, ama-seal agcina amandla amahle okusebenza kanye nokuzinza kwe-dimensional. Lapho izinga lokushisa lehla ngaphansi kokungu-20℃, impahla ye-PPL kancane kancane ilahlekelwa ukuqina kwayo, iba brittle futhi ibe lukhuni, okungase kuholele ekwehlulekeni kophawu.
Mayelana nokumelana nezinga lokushisa eliphezulu, i-PPL ingakwazi ukumelana nezimo zezinga lokushisa eliphezulu okungu-260℃-300℃ isikhathi eside, isebenze kahle ikakhulukazi ngaphansi kwezimo zesitimu esigcwele, ngaphandle kokuthambisa noma ukonakala njenge-PTFE evamile. Ezimweni ezidinga amazinga okushisa aphansi ngisho naphansi okusebenza, i-Shenchi inikeza inguqulo yokuvala uphawu ye-EPDM njengenye indlela; I-EPDM ingakwazi ukumelana namazinga okushisa aphansi njenge -40℃. Ukuncintisana okuyinhloko kwevalvu yebhola ye-steam flange evaleka kakhulu kusekufanisweni okunembile kwempahla yokuvala nezimo zokusebenza zasendaweni.
Ama-valve ebhola e-Shenchi steam flange afaneleka kuhlu olubanzi lwemidiya, okuhlanganisa amanzi, umoya, igesi, uwoyela, uketshezi oluhlukahlukene, futhi okubaluleke kakhulu, umusi ogcwele. Izinga lokushisa lemidiya lihlanganisa amazinga okushisa aphezulu, aphakathi, avamile, naphansi, okufeza ngempela ukumbozwa kwezinga lokushisa eligcwele. Mayelana nokukhethwa kwezinto zokuvala: uma ifakelwe izigxivizo ze-PPL, izinga lokushisa elisebenzayo lingu-20℃ kuya ku-260℃, elinezinga lokushisa eliphakeme lokumelana nesikhashana esifushane elingu-300℃, okulenza libe yisixazululo esithandwayo samapayipi esitimu; uma ifakwe izimpawu ze-EPDM, izinga lokushisa elisebenzayo lingu-40℃ kuya ku-120℃, okulenza lifaneleke kakhulu ezindaweni ezinezinga lokushisa eliphansi, izinhlelo zamanzi ashisayo, noma izimo zesitimu esinomfutho ophansi.
Umkhiqizi wama-valve we-steam flange waseShayina u-Shenchi uncoma ukuthi amakhasimende akhethe izinto zokuvala ngokusekelwe emazingeni okushisa angempela okusebenza. Uma ungaqiniseki ukuthi ungakhetha kanjani, unganikeza amapharamitha athile, futhi ithimba lezobuchwepheshe le-Shenchi lizokuncomela ukucushwa okufanele. I-valve yebhola ye-steam flange ephezulu akumele ivuze kuphela emazingeni okushisa aphezulu kodwa futhi ithembeke ngesikhathi sokuqala kwezinga lokushisa eliphansi; Inketho ye-Shenchi ye-dual-seal yakhelwe ngokunembile le njongo.
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