Ivalvu ye-butterfly ejamelana nokugqwala ene-fluoroplastickubeka i-polytetrafluoroethylene resin (nofana iphrofayili esetjenzisiweko) ebodeni langaphakathi le-steel nofana i-iron butterfly valve pressure-bearing parts nofana ebusweni bangaphandle be-butterfly valve inner parts ngendlela yokubumba (nofana yokufaka). Iimpawu ezihlukileko zamavalvu we-butterfly malungana nemidiya eqinileko yokugqwala zenziwa imihlobo ehlukileko yama-butterfly valve kanye nemikhumbi yokugandeleleka.
Ezintweni ezilwa nokugqwala, i-PTFE inokusebenza okuhle khulu. Ngaphezu kwensimbi encibilikileko, i-elemental fluorine nama-aromatic hydrocarbons, ingasetjenziswa emazingeni ahlukahlukeneko we-hydrochloric acid, i-sulfuric acid, i-nitric acid, i-aqua regia, i-organic acid, i-oxidant enamandla, i-concentrated , alternating dilute acid, alternating alkali kanye nama-ejenti ahlukahlukeneko we-organic ziimpendulo ezingakahleleki. Ukufaka i-PTFE ebodeni langaphakathi le-butterfly valve akugcini ngokunqoba ukutlhayela kwamandla aphasi wezinto ze-PTFE, kodwana kurarulula nomraro wokujamelana nokugqwala kwezinto eziphathelene ne-butterfly valve. Ukusebenza kumbi kanye neendleko eziphezulu. Ngaphezu kwalokho, ngaphezu kokuzinza kwayo okuhle khulu kwamakhemikhali, i-PTFE inezinto ezihle zokulwa nokungcola nokunamathelana, ama-coefficients wokukhuhlana amancani khulu, kanye nokusebenza okuhle kokulwa nokukhukhumala nokuthambisa. Isetjenziswa njengephara yokuvala ukuvula nokuvala amavalvu we-butterfly, begodu kuyatlhogeka ukwehlisa indawo yokuvala. Ukutjhayisana hlangana namavalvu we-butterfly kungehliswa, i-torque yokusebenza ye-butterfly valve ingehliswa, begodu ipilo yomkhiqizo ingenziwa ngcono.
Ivalvu yevithamini ene-fluorine, eyaziwa nangokuthi yi-anti-corrosion butterfly valve, ivamise ukusetjenziswa ebujamweni obumbi bokusebenza, kungaba makhemikhali anobuthi begodu ayingozi, nofana imihlobo ehlukileko ye-asidi-base nofana iinsombululo eziphilako ezibola khulu. Ukusetjenziswa okungakalungi kuzokurholela ekulahlekelweni okukhulu kwezomnotho begodu kube kumbi khulu. Ukusetjenziswa nokutlhogonyelwa okufaneleko kwevalvu ye-butterfly kungangezelela ipilo yesevisi ye-butterfly valve ene-fluorine, njeke ngimiphi imininingwana engenziwa ukuyivikela kuhle?
1. Ngaphambi kokusebenzisa, funda ngokutjheja incwadi yemiyalo yevalvu ye-butterfly ene-fluorine.
2. Yisebenzise ngaphakathi kwebanga lokugandeleleka, amazinga womtjhiso kanye nesilinganiso esitjhiwo ephepheni lamagama nofana encwadini.
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4. Akukavunyelwa ukusebenzisa i-lever ukuvula nokuvala i-valve ye-butterfly ene-fluorine. Tjheja ukutjheja indawo yokuvula nokuvala kanye nesisetjenziswa sokukhawulela sevalvu ye-butterfly ene-fluorine. Ngemva kokuthi ukuvulwa nokuvala kube sendaweni, ungaphoqi ivalvu bona ivale, ukugwema ukulimala kwangaphambili kwendawo yokuvala yeplastiki ye-fluorine.
. . Lokha nakukhethwa ivalvu ye-butterfly, i-butterfly valve ene-fluorine enesisetjenziswa sokuqeda umfutho ngokuzenzakalelako kufanele ikhethwe ngokucabangela amatjhuguluko angaba khona ebujameni bokusebenza abangelwa kukubola okungazinzileko nokulula kwe-medium.
6. Ngombanaivalvu ye-butterfly ene-fluorineepayipini elinobuthi, elivuthako, eliqhumako nelinamandla elivuthako, akukavunyelwa ukufaka esikhundleni sokupakisha ngaphasi kwengcindezi. Nanyana ivalvu ye-butterfly ene-fluorine inomsebenzi wokuvala ongaphezulu ekuklameni, akukhuthazwa ukufaka esikhundleni sokupakisha ngaphasi komfutho.
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Indawo esebenzako: ukugxila okuhlukahlukeneko kwesawudo se-asidi-base kanye nezinye iinsombululo eziphilako.
Isikhathi sokuposa: Novemba-08-2022
