Metal gasket abu
1. Karfe Karfe
Matsakaicin zafin jiki na aiki ana ba da shawarar kada ya wuce 538 ¡æ, musamman lokacin da matsakaici ke oxidizing. Babban ingancin farantin karfe na bakin ciki bai dace da kayan aikin da ake amfani da su don kera acid inorganic, tsaka tsaki ko maganin gishiri na acid ba. Idan carbon karfe yana fuskantar damuwa, haɗarin kayan aiki a ƙarƙashin yanayin ruwan zafi yana da yawa sosai. Carbon karfe gaskets yawanci amfani da high yawa na acid da yawa alkali mafita. Brinell taurin yana kusan 120.
2.304 bakin karfe
18-8 (chromium 18-20%, nickel 8-10%), da shawarar matsakaicin zafin aiki ba zai wuce 760 ¡æ. A cikin kewayon zafin jiki na - 196 ~ 538 ¡æ, lalata damuwa da lalata iyakokin hatsi suna da sauƙin faruwa. Brinell hardness 160.
3.304l bakin karfe
Abubuwan da ke cikin carbon kada su wuce 0.03%. Matsakaicin zafin aiki da aka ba da shawarar kada ya wuce 760 ¡æ. Juriya na lalata yayi kama da 304 bakin karfe. Ƙananan abun ciki na carbon yana rage hazo na carbon daga lattice, kuma juriya na lalata ƙwayar hatsi ya fi na 304 bakin karfe. Brinell taurin yana kusan 140.
4.316 bakin karfe
18-12 (chromium 18%, nickel 12%), ƙara kusan 2% molybdenum a cikin 304 bakin karfe. Lokacin da zafin jiki ya ƙaru, ƙarfinsa da juriya na lalata suna inganta. Lokacin da zafin jiki ya ƙaru, yana da juriya mafi girma fiye da sauran bakin karfe na yau da kullun. Matsakaicin zafin aiki da aka ba da shawarar kada ya wuce 760 ¡æ. Brinell taurin yana kusan 160.
5.316l bakin karfe
Matsakaicin yawan zafin jiki na ci gaba da aiki ba zai wuce 760 ¡æ ~ 815 ¡æ ba. Idan aka kwatanta da bakin karfe 316, yana da mafi kyawun juriya na juriya da juriya na lalata iyaka. Brinell taurin yana kusan 140.
6.20 irin
45% baƙin ƙarfe, 24% nickel, 20% chromium da ƙaramin adadin molybdenum da jan karfe. Matsakaicin zafin aiki da aka ba da shawarar kada ya wuce 760 ¡æ ~ 815 ¡æ. Ya dace musamman don masana'anta kayan aiki masu jure wa lalata sulfuric acid, tare da taurin Brinell kusan 160.
7. Aluminum
Aluminum (abun ciki ba kasa da 99%) ba. Aluminum yana da kyau kwarai lalata juriya da kuma processability, wanda ya dace da masana'anta biyu clip gaskets. Brinell taurin shine game da 35. Matsakaicin yawan zafin jiki da aka ba da shawarar ba zai wuce 426 ¡æ.
8. Jan jan karfe
Abubuwan da ke tattare da jan ƙarfe na jan ƙarfe yana kusa da tagulla mai tsabta, wanda ya ƙunshi ƙaramin adadin azurfa don ƙara yawan zafin jiki na ci gaba. Ana ba da shawarar cewa matsakaicin ci gaba da zafin aiki kada ya wuce 260 ¡æ. Brinell taurin yana kusan 80.
9. Karfe
(Copper 66%, zinc 34%), yana da juriya mai kyau a ƙarƙashin yawancin yanayin aiki, amma bai dace da acetic acid, ammonia, gishiri da acetylene ba. Ana ba da shawarar cewa matsakaicin ci gaba da zafin aiki kada ya wuce 260 ¡æ. Brinell taurin yana kusan 58.
10. Hastelloy B-2
(26-30% molybdenum, 62% nickel da 4-6% baƙin ƙarfe). Matsakaicin zafin aiki da aka ba da shawarar ba zai wuce 1093 ¡æ. Yana da kyakkyawan juriya na zafi da aikin lalata hydrochloric acid. Hakanan yana da kyakkyawan juriya ga jikawar iskar iskar hydrogen chloride, sulfuric acid, phosphoric acid da rage lalata maganin gishiri. Yana da babban ƙarfi a babban zafin jiki. Brinell taurin yana kusan 230.
11. Hastelloy C-276
16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% baƙin ƙarfe, da sauran su ne nickel). Matsakaicin zafin aiki da aka ba da shawarar ba zai wuce 1093 ¡æ. Yana da kyakkyawan juriya na lalata. Yana da kyakkyawan juriya ga lalata nitric acid ko tafasasshen acid nitric tare da maida hankali na 70%, kyakkyawan juriya ga hydrochloric acid da sulfuric acid da kyakkyawan juriya na lalata damuwa. Brinell taurin yana kusan 210.
12. Inconel 600
Nickel tushe gami (77% nickel, 15% chromium da 7% baƙin ƙarfe). Matsakaicin zafin aiki da aka ba da shawarar ba zai wuce 1093 ¡æ. Yana da babban ƙarfi a ƙarƙashin yanayin zafi mai zafi kuma yawanci ana amfani dashi don kayan aiki don magance matsalolin lalata damuwa. A ƙananan zafin jiki, yana da kyawawan kaddarorin sarrafawa iri ɗaya. Brinell taurin yana kusan 150.
13. Kudi 400
(shawarar matsakaicin yawan zafin jiki mai aiki na jan karfe 30% kuma nickel ba zai wuce 815 ¡æ ba. Sai dai ga acid mai ƙarfi mai ƙarfi, yana da kyakkyawan juriya ga mafi yawan acid da tushe. Yana da sauƙi don samar da damuwa lalata fasa a cikin fluoric acid, mercuric chloride. da kuma mercury kafofin watsa labarai, don haka bai dace da na sama kafofin watsa labarai Ana amfani da ko'ina a cikin kayan aiki ga masana'antu hydrofluoric acid ne game da 120.
14. Titanium
Matsakaicin zafin aiki da aka ba da shawarar bai wuce 1093 ¡æ. Yana da kyakkyawan juriya na lalata a ƙarƙashin yanayin zafi mai girma. Sanannen abu ne cewa yana da juriya ga lalata ion chloride kuma yana da kyakkyawan juriya na lalata nitric acid a cikin babban zafin jiki da kewayon maida hankali. Titanium da wuya a yi amfani da shi a yawancin maganin alkali kuma ya dace da yanayin iskar oxygen. Brinell taurin yana kusan 216.
Non karfe gasket abu
1. Na halitta Rubber NR
Yana da juriya mai kyau ga raunin acid, alkali, gishiri da chloride mafita, amma rashin juriya na lalata mai da sauran ƙarfi. Ba a ba da shawarar yin amfani da shi a matsakaicin ozone ba. Adadin zafin aiki da aka ba da shawarar shine - 57 ¡æ ~ 93 ¡æ.
2. Neoprene Cr
Neoprene wani nau'i ne na roba na roba, wanda ya dace da matsakaicin juriya na lalata a cikin acid, alkali da gishiri. Yana da kyau juriya na lalata mai da mai na kasuwanci. Duk da haka, juriya na lalata mai ƙarfi na acid oxidizing, hydrocarbons aromatic da chlorinated hydrocarbons ba shi da kyau. Shawarar zafin aiki da aka ba da shawarar shine - 51 ¡æ ~ 121 ¡æ.
3. Nitrile butadiene roba NBR
Cyano butadiene rubber wani nau'in roba ne na roba, wanda ya dace da juriya mai kyau ga mai, ƙarfi, hydrocarbon aromatic, alkaline hydrocarbon, mai da iskar gas a cikin kewayon zafin jiki mai faɗi. Yana da kyau juriya na lalata hydroxide, gishiri da kusa da tsaka tsaki acid. Koyaya, a cikin matsakaici mai ƙarfi, chlorinated hydrocarbons, ketones da lipids, juriyar lalata su ba ta da kyau. Matsakaicin zafin aiki da aka ba da shawarar shine 51 ¡æ ~ 121 ¡æ.
4. Fluororubber
Yana da kyakkyawan juriya ga mai, man fetur, maganin chloride, aromatic da lipid hydrocarbons da acid mai karfi, amma bai dace da amines, lipids, ketones da tururi ba. Matsakaicin zafin aiki da aka ba da shawarar shine - 40 ¡æ ~ 232 ¡æ.
5. Chlorosulfonated polyethylene roba roba
Yana da kyau juriya na lalata acid, alkali da gishiri mafita, kuma ba ya shafar yanayi, haske, ozone da kuma kasuwanci mai (kamar diesel da kananzir). Duk da haka, bai dace da hydrocarbons aromatic, chlorinated hydrocarbons, chromic acid da nitric acid. Shawarar zafin aiki da aka ba da shawarar shine - 45 ¡æ ~ 135 ¡æ.
6. roba siliki
Yana da kyawawa juriya ga iska mai zafi. Silicone roba ba ya shafar hasken rana da ozone. Koyaya, bai dace da tururi, ketones, hydrocarbons aromatic da hydrocarbons na lipid ba.
7. Ethylene propylene roba
Yana da kyakkyawan juriya na lalata ga ƙarfi acid, alkali, gishiri da chloride mafita. Duk da haka, bai dace da mai, kaushi, hydrocarbons aromatic da hydrocarbons. Shawarar zafin aiki da aka ba da shawarar shine - 57 ¡æ ~ 176 ¡æ.
8. Grafit
Kayan abu ne duk kayan graphite ba tare da guduro ko kwayoyin halitta ba, wanda za'a iya raba shi zuwa kayan graphite tare da ko ba tare da abubuwan ƙarfe ba. Ana iya haɗa kayan don samar da gaskets bututu tare da diamita fiye da 600mm. Yana da kyakkyawan juriya na lalata ga yawancin acid, tushe, salts, mahaɗan kwayoyin halitta, hanyoyin canja wurin zafi har ma da mafita mai zafi. Ba zai iya narke ba, amma zai yi ƙasa da 3316 ¡æ. A karkashin yanayin zafi mai girma, ya kamata a yi amfani da kayan a hankali a cikin matsakaicin matsakaici mai ƙarfi. Baya ga gaskets, ana kuma iya amfani da kayan don yin kaset ɗin da ba na ƙarfe ba a cikin filaye da gask ɗin rauni na karkace.
9. Fiber yumbu, yumbu fiber kafa a kan tsiri
Yana da kyau kwarai gasket abu dace da high zafin jiki da kuma low matsa lamba yanayi da haske flange yanayi. Shawarar zafin aiki da aka ba da shawarar shine 1093 ¡æ, kuma ana iya yin tef ɗin da ba na ƙarfe ba a cikin gask ɗin rauni.
10 polytetrafluoroethylene
Yana haɗu da fa'idodin mafi yawan kayan gasket filastik, gami da juriya na zafin jiki daga - 95 ¡æ ~ 232 ¡æ. Bugu da kari ga free fluorine da alkali karafa, shi yana da kyakkyawan lalata juriya ga sunadarai, kaushi, hydroxides da acid. Ana iya cika kayan PTFE da gilashi don rage sanyin ruwa da raƙuman PTFE.
Lokacin aikawa: Nov-02-2021
