Abubuwan da ke rufe bawul muhimmin sashi ne na hatimin bawul.Menene kayan rufe bawul?Mun san cewa bawul sealing zobe kayan sun kasu kashi biyu Categories: karfe da kuma wadanda ba karfe.Mai zuwa shine taƙaitaccen gabatarwa ga yanayin amfani da kayan rufewa daban-daban, da nau'ikan bawul ɗin da aka saba amfani da su.
1. roba roba
Cikakken Properties na roba roba irin su juriya mai, juriya da zafin jiki da kuma lalata juriya sun fi na halitta roba.Kullum, da amfani da zafin jiki na roba roba ne t≤150 ℃, da kuma zafin jiki na halitta roba ne t≤60 ℃. Rubber da ake amfani da su hatimi duniya bawuloli,roba zaune gate bawul, diaphragm bawuloli,ruber zaune bawul, rubber zaune shan ruwa duba bawul (duba bawuloli), tsunkule bawuloli da sauran bawuloli tare da maras muhimmanci matsa lamba PN≤1MPa.
2. Nailan
Naylon yana da halaye na ƙananan juzu'i mai kyau da juriya mai kyau.Ana amfani da nailan galibi don bawul ɗin ball da bawul ɗin duniya tare da zafin jiki t≤90 ℃ da matsa lamba PN≤32MPa.
3. PTFE
Ana amfani da PTFE galibi don bawul ɗin duniya,bakin kofa, ball bawuloli, da dai sauransu tare da zazzabi t≤232 ℃ da maras muhimmanci matsa lamba PN≤6.4MPa.
4. Karfe
Ana amfani da baƙin ƙarfe donbakin kofa, globe bawul, toshe bawul, da dai sauransu ga zazzabi t≤100 ℃, maras muhimmanci matsa lamba PN≤1.6MPa, gas da man fetur.
5. Babbitt gami
Babbitt gami da ake amfani da ammonia globe bawul tare da zazzabi t-70 ~ 150 ℃ da maras muhimmanci matsa lamba PN≤2.5MPa.
6. Copper gami
Abubuwan gama gari don gami da jan ƙarfe sune 6-6-3 tin tagulla da tagulla na manganese 58-2-2.Copper gami yana da kyau lalacewa juriya kuma ya dace da ruwa da tururi tare da zazzabi t≤200 ℃ da maras muhimmanci matsa lamba PN≤1.6MPa.Ana yawan amfani da shi a cikinbakin kofa, globe valves,duba bawuloli, toshe bawul, da dai sauransu.
7. Chrome bakin karfe
Abubuwan da aka saba amfani da su na bakin karfe na chromium sune 2Cr13 da 3Cr13, waɗanda aka kashe kuma suna da zafi, kuma suna da juriya mai kyau na lalata.Ana amfani dashi sau da yawa a cikin bawuloli don kafofin watsa labarai kamar ruwa, tururi da man fetur tare da zafin jiki t≤450℃ da matsa lamba PN≤32MPa.
8. Chromium-nickel-titanium bakin karfe
Matsayin da aka saba amfani da shi na chromium-nickel-titanium bakin karfe shine 1Cr18Ni9ti, wanda ke da juriya mai kyau na lalata, juriya na yashwa da juriya mai zafi.Ya dace da tururi, nitric acid da sauran kafofin watsa labarai tare da zazzabi t≤600 ℃ da maras muhimmanci matsa lamba PN≤6.4MPa, amfani da globe bawul, ball bawul, da dai sauransu.
9. Nitrided karfe
Matsayin da aka saba amfani da shi na nitrided karfe shine 38CrMoAlA, wanda ke da juriya mai kyau da juriya bayan carburizing jiyya.Yawanci amfani da wutar lantarki ƙofar bawul tare da zazzabi t≤540 ℃ da maras muhimmanci matsa lamba PN≤10MPa.
10. Basarake
Boronizing kai tsaye yana aiwatar da saman rufewa daga kayan jikin bawul ko jikin diski, sannan kuma aiwatar da jiyya ta fuskar boronizing, saman rufewa yana da juriya mai kyau.Ana amfani da bawul ɗin busa wutar lantarki.
Lokacin aikawa: Juni-10-2022