Metal gasket ihe
1. Carbon ígwè
A na-atụ aro oke okpomọkụ na-arụ ọrụ ka ọ ghara ịgafe 538 ¡æ, karịsịa mgbe ọkara na-eme ka ọ bụrụ oxidizing. Efere carbon nchara dị elu adịghị mma maka akụrụngwa eji arụpụta inorganic acid, nnọpụiche ma ọ bụ ngwọta nnu acid. Ọ bụrụ na a na-etinye nchara carbon na nrụgide, ọnụọgụ ihe mberede akụrụngwa n'okpuru ọnọdụ mmiri ọkụ dị oke elu. A na-ejikarị gaskets carbon ígwè eme ihe maka oke acid na ọtụtụ ngwọta alkali. Brinell hardness bụ ihe dịka 120.
2.304 igwe anaghị agba nchara
18-8 (chromium 18-20%, nickel 8-10%), na oke okpomọkụ a na-atụ aro agaghị agafe 760 ¡æ. Na ọnọdụ okpomọkụ nke - 196 ~ 538 ¡æ, nrụgide nrụgide na mmebi ókèala ọka dị mfe ime. Brinell hardness 160.
3.304l igwe anaghị agba nchara
Ọdịnaya carbon agaghị agafe 0.03%. Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 760 ¡æ. Nguzogide corrosion yiri igwe anaghị agba nchara 304. Ọdịnaya carbon dị ala na-ebelata mmiri ozuzo nke carbon sitere na lattice, na nguzogide corrosion oke ọka dị elu karịa nke igwe anaghị agba nchara 304. Brinell hardness bụ ihe dịka 140.
4.316 igwe anaghị agba nchara
18-12 (chromium 18%, nickel 12%), gbakwunye ihe dịka 2% molybdenum na 304 igwe anaghị agba nchara. Mgbe okpomọkụ na-abawanye, ike ya na nguzogide corrosion na-akawanye mma. Mgbe okpomọkụ ahụ na-abawanye, ọ nwere nguzogide dị elu karịa igwe anaghị agba nchara ndị ọzọ. Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 760 ¡æ. Brinell hardness bụ ihe dịka 160.
5.316l igwe anaghị agba nchara
Okpomọkụ kachasị arụ ọrụ na-atụ aro agaghị agafe 760 ¡æ ~ 815 ¡æ. E jiri ya tụnyere igwe anaghị agba nchara 316, ọ nwere nguzogide nrụgide ka mma yana nguzogide corrosion oke ọka. Brinell hardness bụ ihe dịka 140.
6.20 Alloy
45% ígwè, 24% nickel, 20% chromium na obere molybdenum na ọla kọpa. Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 760 ¡æ ~ 815 ¡æ. Ọ dabara adaba maka nrụpụta akụrụngwa na-eguzogide corrosion sulfuric acid, yana ike Brinell dị ihe dị ka 160.
7. Aluminom
Aluminom (ọdịnaya na-erughị 99%). Aluminom nwere magburu onwe corrosion eguzogide na processability, nke kwesịrị ekwesị n'ihi na n'ichepụta abụọ clip gaskets. Brinell hardness bụ banyere 35. Na-atụ aro kacha na-aga n'ihu na-arụ ọrụ okpomọkụ agaghị gafere 426 ¡æ.
8. ọla kọpa na-acha uhie uhie
Ngwakọta nke ọla kọpa na-acha uhie uhie dị nso na ọla kọpa dị ọcha, nke nwere obere ọlaọcha iji mee ka okpomọkụ na-arụ ọrụ na-aga n'ihu. A na-atụ aro na oke okpomọkụ na-arụ ọrụ na-aga n'ihu ekwesịghị gafere 260 ¡æ. Brinell hardness bụ ihe dịka 80.
9. Bras
(ọla kọpa 66%, zinc 34%), ọ nwere ezigbo nguzogide corrosion n'okpuru ọtụtụ ọnọdụ ọrụ, mana ọ naghị adabara acetic acid, amonia, nnu na acetylene. A na-atụ aro na oke okpomọkụ na-arụ ọrụ na-aga n'ihu ekwesịghị gafere 260 ¡æ. Brinell hardness bụ ihe dịka 58.
10. Hastelloy B-2
(26-30% molybdenum, 62% nickel na 4-6% ígwè). Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 1093 ¡æ. Ọ nwere ezigbo nguzogide okpomọkụ yana arụ ọrụ corrosion hydrochloric acid. Ọ na-enwekwa ezigbo nguzogide mmiri mmiri hydrogen chloride gas corrosion, sulfuric acid, phosphoric acid na ibelata ngwọta nnu corrosion. O nwere ike dị elu na oke okpomọkụ. Brinell hardness bụ ihe dịka 230.
11. Hastelloy C-276
16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% ígwè, na ndị ọzọ bụ nickel). Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 1093 ¡æ. Ọ nwere ezigbo nguzogide corrosion. Ọ nwere ezigbo nguzogide corrosion na nitric acid oyi ma ọ bụ nitric acid na-esi nri yana ntinye nke 70%, ezigbo nguzogide corrosion na hydrochloric acid na sulfuric acid yana ezigbo nguzogide corrosion nrụgide. Brinell hardness bụ ihe dịka 210.
12. Inconel 600
Nickel base alloys (77% nickel, 15% chromium na 7% ígwè). Okpomọkụ kachasị arụ ọrụ akwadoro agaghị agafe 1093 ¡æ. Ọ nwere ike dị elu n'okpuru ọnọdụ okpomọkụ dị elu ma na-ejikarị eme ihe maka ngwá ọrụ iji dozie nsogbu corrosion nrụgide. Na obere okpomọkụ, ọ nwere magburu onwe nhazi Njirimara. Brinell hardness bụ ihe dịka 150.
13. Ego 400
(atụ aro kacha na-aga n'ihu na-arụ ọrụ okpomọkụ nke ọla kọpa 30% na nickel agaghị agafe 815 ¡æ. Ewezuga acid oxidizing siri ike, ọ nwere nguzogide corrosion magburu onwe ya nye ọtụtụ acid na bases. Ọ dị mfe ịmepụta nrụgide corrosion cracks na fluoric acid, mercuric chloride. na mercury media, n'ihi ya, ọ bụghị adabara n'elu media A na-eji n'ọtụtụ ebe na ngwá maka imepụta hydrofluoric acid bụ banyere 120.
14. Titanium
Okpomọkụ kachasị arụ ọrụ akwadoro abụghị ihe karịrị 1093 ¡æ. Ọ nwere ezigbo nguzogide corrosion n'okpuru ọnọdụ okpomọkụ dị elu. A maara nke ọma na ọ na-eguzogide chloride ion corrosion ma nwee ọmarịcha nitric acid nguzogide corrosion na oke okpomọkụ na ntinye uche. A naghị eji titanium eme ihe n'ọtụtụ ngwọta alkali ma dabara adaba maka ọnọdụ oxidation. Brinell hardness bụ ihe dịka 216.
Ihe na-abụghị ọla gasket
1. Eke Rubber NR
Ọ nwere ezigbo nguzogide corrosion na-adịghị ike acid, alkali, nnu na ngwọta chloride, mana adịghị mma na-eguzogide mmanụ na ihe mgbaze. A naghị atụ aro ka e jiri ya mee ihe na ozone medium. Ọnọdụ okpomọkụ a na-atụ aro bụ - 57 ¡æ ~ 93 ¡æ.
2. Neoprene Cr
Neoprene bụ ụdị roba sịntetik, nke kwesịrị ekwesị maka nguzogide corrosion na-ajụ na acid, alkali na nnu ngwọta. Ọ nwere ezigbo nguzogide corrosion nke mmanụ na mmanụ ụgbọala. Agbanyeghị, nguzogide corrosion nke acid oxidizing siri ike, hydrocarbons aromatic na hydrocarbons chlorinated adịghị mma. Ọnọdụ okpomọkụ a na-atụ aro bụ - 51 ¡æ ~ 121 ¡æ.
3. Nitrile butadiene roba NBR
Cyano butadiene roba bụ ụdị roba sịntetịt, nke kwesịrị ekwesị maka mma corrosion iguzogide mmanụ, ihe mgbaze, aromatic hydrocarbon, alkaline hydrocarbon, mmanụ na eke gas na mbara okpomọkụ nso. Ọ nwere ezigbo nguzogide corrosion na hydroxide, nnu na nso acid na-anọpụ iche. Otú ọ dị, n'ime usoro oxidizing siri ike, chlorinated hydrocarbons, ketones na lipids, nguzogide corrosion ha adịghị mma. Ọnọdụ okpomọkụ a na-atụ aro bụ 51 ¡æ ~ 121 ¡æ.
4. Fluororubber
Ọ nwere ezigbo nguzogide corrosion mmanụ, mmanụ, chloride ngwọta, aromatic na lipid hydrocarbons na acid siri ike, ma ọ dịghị adabara amines, lipids, ketones na uzuoku. Ọnọdụ okpomọkụ a na-atụ aro bụ - 40 ¡æ ~ 232 ¡æ.
5. Chlorosulfonated polyethylene sịntetik roba
Ọ nwere ezigbo nguzogide corrosion na ngwọta acid, alkali na nnu, ọ naghị emetụta ihu igwe, ọkụ, ozone na mmanụ ụgbọala (dị ka mmanụ dizel na kerosene). Otú ọ dị, ọ dịghị mma maka aromatic hydrocarbons, chlorinated hydrocarbons, chromic acid na nitric acid. Ọnọdụ okpomọkụ a na-atụ aro bụ - 45 ¡æ ~ 135 ¡æ.
6. rọba silicone
Ọ nwere ezigbo nguzogide corrosion na ikuku ọkụ. Ìhè anyanwụ na ozone adịghị emetụta rọba silicone. Otú ọ dị, ọ dịghị adabara uzuoku, ketones, aromatic hydrocarbons na lipid hydrocarbons.
7. Ethylene propylene roba
Ọ nwere ezigbo mgbochi corrosion na-eguzogide acid siri ike, alkali, nnu na ngwọta chloride. Otú ọ dị, ọ dịghị adabara mmanụ, ihe mgbaze, aromatic hydrocarbons na hydrocarbons. Ọnọdụ okpomọkụ a na-atụ aro bụ - 57 ¡æ ~ 176 ¡æ.
8. Graphite
Ihe a bụ ihe niile graphite na-enweghị resin ma ọ bụ ihe inorganic, nke nwere ike kewaa n'ime ihe graphite nwere ma ọ bụ na-enweghị ihe ígwè. Enwere ike ijikọ ihe ahụ iji mepụta gaskets ọkpọkọ na dayameta karịa 600mm. Ọ nwere ezigbo nguzogide corrosion na ọtụtụ acid, bases, salts, organic compound, heat transfer solution and even high okpomọkụ ngwọta. Ọ pụghị ịgbaze, ma ọ ga-adaba n'elu 3316 ¡æ. N'okpuru ọnọdụ okpomọkụ dị elu, a ga-eji nlezianya mee ihe na ihe na-eme ka ọ dị ike oxidizing. Na mgbakwunye na gaskets, a pụkwara iji ihe ahụ mee ka teepu ikuku na-abụghị ọla na ihe ndị na-ejupụta na ihe ndị na-egbuke egbuke.
9. eriri seramiiki, eriri seramiiki kpụrụ na warara
Ọ bụ ezigbo gasket ihe kwesịrị ekwesị maka ọnọdụ okpomọkụ dị elu na ọnọdụ nrụgide dị ala na ọnọdụ flange ọkụ. The aro na-arụ ọrụ okpomọkụ bụ 1093 ¡æ, na-abụghị ígwè winding teepu na ọnya gasket nwere ike ime.
10 polytetrafluoroethylene
Ọ na-ejikọta uru nke ọtụtụ ihe mkpuchi plastik, gụnyere nguzogide okpomọkụ si - 95 ¡æ ~ 232 ¡æ. Na mgbakwunye na fluorine n'efu na ọla alkali, ọ nwere ezigbo nguzogide corrosion na kemịkalụ, ihe mgbaze, hydroxides na acids. Enwere ike jupụta ihe PTFE na iko iji belata mmiri oyi na ihe na-akpụ akpụ nke PTFE.
Oge nzipu: Nov-02-2021
