Izinto ze-Metal gasket
1. Intsimbi yekhabhoni
Ubushushu obuphezulu bokusebenza bucetyiswa ukuba bungagqithi kwi-538 ¡æ, ngakumbi xa i-medium i-oxidizing. Umgangatho ophakamileyo obhityileyo ipleyiti carbon steel ayifanelekanga izixhobo ezisetyenziselwa ukwenza inorganic acid, cala okanye isisombululo ityuwa acid. Ukuba i-carbon steel iphantsi koxinzelelo, izinga lengozi yesixhobo phantsi kwemeko yamanzi ashushu liphezulu kakhulu. Iigasket zentsimbi zekhabhoni zihlala zisetyenziselwa ukugxila okuphezulu kweasidi kunye nezisombululo ezininzi zealkali. Ubunzima beBrinell bumalunga ne-120.
2.304 intsimbi engenasici
I-18-8 (i-chromium 18-20%, i-nickel 8-10%), kunye neqondo lokushisa eliphezulu elicetyiswayo aliyi kudlula i-760 ¡æ. Kuluhlu lweqondo lobushushu – 196 ~ 538 ¡æ, umhlwa woxinzelelo kunye nomhlwa wokutya okuziinkozo kulula ukwenzeka. Ubunzima beBrinell 160.
3.304l intsimbi engenasici
Umxholo wekhabhoni awuyi kudlula i-0.03%. Elona qondo lobushushu liphezulu elicetyiswayo aliyi kudlula kuma-760 ¡æ. Ukumelana ne-Corrosion kufana ne-304 yensimbi engenasici. Umxholo wekhabhoni ophantsi unciphisa imvula yekhabhoni ukusuka kwi-lattice, kwaye umda we-corrosion resistance boundary resistance uphezulu kune-304 yensimbi engenasici. Ubunzima beBrinell bumalunga ne-140.
4.316 intsimbi engenasici
I-18-12 (i-chromium 18%, i-nickel 12%), yongeza malunga ne-2% ye-molybdenum kwi-304 yensimbi engenasici. Xa izinga lokushisa linyuka, amandla ayo kunye nokuxhathisa ukubola kuyaphucuka. Xa ubushushu bonyuka, bunokumelana nokunyuka okuphezulu kunezinye iintsimbi eziqhelekileyo ezingenasici. Elona qondo lobushushu liphezulu elicetyiswayo aliyi kudlula kuma-760 ¡æ. Ubunzima beBrinell bumalunga ne-160.
5.316l intsimbi engenasici
Elona qondo liphezulu likhuthazwayo lobushushu bokusebenza eliqhubekayo aliyi kuba ngaphezu kwe-760 ¡æ ~ 815 ¡æ. Xa kuthelekiswa ne-316 yensimbi engenasici, inokumelana noxinzelelo olungcono kunye nokumelana nomda wengqolowa. Ubunzima beBrinell bumalunga ne-140.
6.20 ingxubevange
I-45% yesinyithi, i-24% ye-nickel, i-20% ye-chromium kunye nenani elincinci le-molybdenum kunye nobhedu. Ubushushu bokusebenza obucetyiswayo abuyi kuba ngaphezulu kwe-760 ¡æ ~ 815 ¡æ. Ilungele ngokukodwa izixhobo zokwenza izinto ezikwaziyo ukumelana ne-sulfuric acid corrosion, kunye nobulukhuni be-Brinell malunga ne-160.
7. Aluminiyam
I-Aluminiyam (umxholo ungekho ngaphantsi kwe-99%). I-Aluminiyam inokumelana nokugqwesa okugqwesileyo kunye nokuqhubekeka, ilungele ukwenziwa kweegaskets eziphindwe kabini. Ubulukhuni beBrinell bumalunga nama-35. Obona bushushu bunconywayo buqhubekekayo bokusebenza abuyi kuba ngaphezulu kwe-426 ¡æ.
8. Ubhedu obomvu
Ukubunjwa kobhedu obomvu kusondele kubhedu olucocekileyo, oluqulethe ixabiso elincinci lesilivere ukunyusa izinga lokushisa eliqhubekayo lokusebenza. Kucetyiswa ukuba ubushushu obusebenzayo obuqhubekayo bungagqithi kuma-260 ¡æ. Ubunzima beBrinell bumalunga nama-80.
9. Ubhedu
(i-copper 66%, i-zinc 34%), inokumelana ne-corrosion enhle phantsi kweemeko ezininzi zokusebenza, kodwa ayifanelekanga i-acetic acid, i-ammonia, ityuwa kunye ne-acetylene. Kucetyiswa ukuba ubushushu obusebenzayo obuqhubekayo bungagqithi kuma-260 ¡æ. Ubunzima beBrinell bumalunga nama-58.
10. Hastelloy B-2
(26-30% molybdenum, 62% nickel kunye 4-6% yentsimbi). Elona qondo liphezulu lobushushu elicetyiswayo aliyi kudlula kwi-1093 ¡æ. Inokumelana nobushushu obugqwesileyo kunye nokusebenza kwe-hydrochloric acid corrosion. Ikwanayo nokumelana nokugqwesa kwerhasi ye-hydrogen chloride emanzi, i-asidi ye-sulfuric, i-phosphoric acid kunye nokunciphisa isisombululo setyuwa. Inamandla aphezulu kwiqondo lokushisa eliphezulu. Ubunzima beBrinell bumalunga nama-230.
11. Hastelloy C-276
16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% yentsimbi, kunye nezinye nickel). Elona qondo lobushushu liphezulu elicetyiswayo aliyi kudlula kwi-1093 ¡æ. Inokumelana nokugqwesa okugqwesileyo. Inokumelana ne-corrosion egqwesileyo kwi-asidi ye-nitric ebandayo okanye i-asidi ye-nitric ebilayo ene-70% yoxinaniso, ukuxhathisa okulungileyo kwi-hydrochloric acid kunye ne-asidi ye-sulfuric kunye noxinzelelo olugqwesileyo lokuxhathisa i-corrosion. Ubunzima beBrinell bumalunga nama-210.
12. Ikhoneli 600
I-alloys yesiseko se-nickel (i-77% ye-nickel, i-15% ye-chromium kunye ne-7% yentsimbi). Elona qondo lobushushu liphezulu elicetyiswayo aliyi kudlula kwi-1093 ¡æ. Inamandla aphezulu phantsi kweemeko eziphezulu zokushisa kwaye idla ngokusetyenziselwa izixhobo zokucombulula iingxaki ze-corrosion yoxinzelelo. Kwiqondo lobushushu eliphantsi, ineempawu ezibalaseleyo zokucwangcisa. Ubunzima beBrinell bumalunga ne-150.
13. Monel 400
(enconyiweyo ubuninzi obuqhubekayo bokusebenza kobushushu be-30% kunye ne-nickel ayisayi kuba ngaphezu kwe-815 ¡æ. Ngaphandle kwee-acids ezomeleleyo ze-oxidizing, inokumelana ne-corrosion egqwesileyo kwii-asidi ezininzi kunye neziseko. Kulula ukuvelisa iintanda zoxinzelelo lwe-corrosion kwi-fluoric acid, i-mercuric chloride kunye nemidiya ye-mercury, ngoko ayifanelekanga kwimidiya engentla Isetyenziswa ngokubanzi kwizixhobo zokuvelisa i-hydrofluoric acid i-Brinell enzima.
14. Titanium
Ubushushu bokusebenza obucetyiswayo abukho ngaphezu kwe-1093 ¡æ. Inokumelana ne-corrosion egqwesileyo phantsi kweemeko zobushushu obuphezulu. Kuyaziwa ukuba iyamelana ne-chloride ion corrosion kwaye inokumelana ne-nitric acid egqwesileyo kubushushu obubanzi kunye noluhlu loxinaniso. I-Titanium ayifane isetyenziswe kwizisombululo ezininzi ze-alkali kwaye ifanelekile kwiimeko ze-oxidation. Ubunzima beBrinell bumalunga nama-216.
Izinto ze-gasket ezingezizo isinyithi
1. Irabha yeNdalo ye-NR
Inokumelana ne-corrosion efanelekileyo kwi-asidi ebuthakathaka, i-alkali, ityuwa kunye ne-chloride isisombululo, kodwa ukunganyangeki kwe-corrosion kwi-oyile kunye ne-solvent. Akukhuthazwa ukuba kusetyenziswe kwi-ozone medium. Ubushushu bokusebenza obucetyiswayo ngu-57 ¡æ ~ 93 ¡æ.
2. I-Neoprene Cr
I-Neoprene luhlobo lwerabha yokwenziwa, ekulungeleyo ukumelana ne-corrosion ephakathi kwi-asidi, i-alkali kunye nezisombululo zetyuwa. Inokumelana ne-corrosion elungileyo kwii-oyile zorhwebo kunye namafutha. Nangona kunjalo, ukuxhathisa ukubola kweeasidi ezinamandla ze-oxidizing, ii-hydrocarbons ezinevumba elimnandi kunye ne-chlorinated hydrocarbons zimbi. Ubushushu bokusebenza obucetyiswayo bu-51 ¡æ ~ 121 ¡æ.
3. Irabha yeNitrile butadiene NBR
I-rubber ye-Cyano butadiene luhlobo lwerabha yokwenziwa, ekulungele ukuxhathisa okulungileyo kwi-oyile, i-solvent, i-hydrocarbon enevumba elimnandi, i-alkaline hydrocarbon, i-oyile kunye negesi yendalo kuluhlu olubanzi lobushushu. Inokumelana ne-corrosion efanelekileyo kwi-hydroxide, ityuwa kunye ne-asidi engathathi hlangothi. Nangona kunjalo, kwi-oxidizing medium eyomeleleyo, i-hydrocarbons eneklorini, i-ketones kunye ne-lipids, ukuxhathisa ukubola kwabo kubi. Ubushushu bokusebenza obucetyiswayo yi-51 ¡æ ~ 121 ¡æ.
4. I-Fluororubber
Inokumelana ne-corrosion efanelekileyo kwioli, i-fuel, isisombululo se-chloride, i-aromatics kunye ne-lipid hydrocarbons kunye ne-acids eqinile, kodwa ayifanelekanga i-amines, i-lipids, i-ketones kunye ne-steam. Ubushushu bokusebenza obucetyiswayo bu-40 ¡æ ~ 232 ¡æ.
5. Irabha eyenziwe nge-chlorosulfonated polyethylene
Inokumelana ne-corrosion efanelekileyo kwi-asidi, i-alkali kunye nezisombululo zetyuwa, kwaye ayichatshazelwa yimozulu, ukukhanya,, i-ozone kunye namafutha orhwebo (afana ne-diesel kunye ne-kerosene). Nangona kunjalo, ayifanelekanga i-hydrocarbons enevumba elimnandi, i-hydrocarbons e-chlorinated, i-chromic acid kunye ne-nitric acid. Ubushushu bokusebenza obucetyiswayo ngu-45 ¡æ ~ 135 ¡æ.
6. Irabha yeSilicone
Inokumelana ne-corrosion entle kumoya oshushu. I-rubber ye-silicone ayichaphazeli ukukhanya kwelanga kunye ne-ozone. Nangona kunjalo, ayifanelekanga kumphunga, i-ketones, i-hydrocarbons enevumba elimnandi kunye ne-lipid hydrocarbons.
7. Irabha ye-ethylene propylene
Inokumelana ne-corrosion efanelekileyo kwi-asidi eqinile, i-alkali, ityuwa kunye ne-chloride isisombululo. Nangona kunjalo, ayifanelekanga kwioli, i-solvents, i-hydrocarbons enevumba elimnandi kunye ne-hydrocarbons. Ubushushu bokusebenza obucetyiswayo ngu-57 ¡æ ~ 176 ¡æ.
8. Igraphite
Izinto eziphathekayo zizinto zonke zegraphite ngaphandle kwe-resin okanye i-inorganic matter, enokuthi ihlulwe ibe yizinto zegraphite kunye okanye ngaphandle kwezinto zetsimbi. Izinto eziphathekayo zinokudibaniswa ukuvelisa i-gaskets yombhobho kunye nobubanzi obungaphezulu kwe-600mm. Inokumelana nokugqwesa okugqwesileyo kwiiasidi ezininzi, iziseko, iityuwa, iikhompawundi zezinto eziphilayo, izisombululo zokudlulisa ubushushu kunye nezisombululo zobushushu obuphezulu. Ayinakunyibilika, kodwa iya kuthoba ngaphezulu kwe 3316 ¡æ. Ngaphantsi kweemeko eziphezulu zokushisa, izinto eziphathekayo kufuneka zisetyenziswe ngononophelo kwi-oxidizing medium. Ukongeza kwi-gaskets, izinto eziphathekayo zingasetyenziselwa ukwenza iiteyiphu ezijikelezayo ezingezizo ezentsimbi kwiifayili kunye neegaskets zenxeba elijikelezayo.
9. I-Ceramic fiber, i-ceramic fiber eyenziwe kwi-strip
Yimpahla egqwesileyo ye-gasket efanelekileyo kwiqondo lokushisa eliphezulu kunye neemeko zoxinzelelo oluphantsi kunye neemeko ze-flange ezikhanyayo. Ubushushu bokusebenza obucetyiswayo yi-1093 ¡æ, kwaye iteyiphu yokujija engeyiyo eyentsimbi kwigasket yenxeba inokwenziwa.
10 polytetrafluoroethylene
Idibanisa iingenelo zezinto ezininzi ze-gasket zeplastiki, kubandakanya ukumelana nobushushu ukusuka - 95 ¡æ ~ 232 ¡æ. Ukongeza kwi-fluorine yasimahla kunye neentsimbi zealkali, inokumelana nokugqwesa okugqwesileyo kwiikhemikhali, izinyibilikisi, iihydroxides kunye neeasidi. Izinto ze-PTFE zinokuzaliswa ngeglasi ukunciphisa ulwelo olubandayo kunye nokurhubuluza kwe-PTFE.
Ixesha lokuposa: Nov-02-2021
