Kumisa mafuta ekuzora kubva pakubuda kunze uye zvinhu zvekunze kuti zvisapinde, chivharo che annular chakagadzirwa nechinhu chimwe kana kupfuura chinosungirirwa pane imwe mhete kana washer yebearing uye inobata imwe mhete kana washer, ichigadzira gap diki rinozivikanwa selabyrinth. Zvindori zverabha zvine denderedzwa muchinjikwa-chikamu zvinogadzira mhete yekuisa chisimbiso. Iyo inozivikanwa seO-yakaumbwa sealing mhete nekuda kweiyo O-yakaumbwa muchinjiko-chikamu.

1. NBR nitrile rubber sealing ring

Mvura, peturu, silicone girisi, mafuta esilicone, diester-based lubricating oil, petroleum-based hydraulic oil, uye mamwe midhiya zvese zvinogona kushandiswa nazvo. Parizvino, ndiyo isingadhure uye inonyanya kushandiswa rubber seal. Hazvikurudzirwe kushandiswa ne polar solvents se chloroform, nitrohydrocarbons, ketones, ozone, uye MEK. Tembiricha yakajairika yekushanda ndeye -40 kusvika 120 °C.

2. HNBR hydrogenated nitrile rubber sealing ring

Iine kumira zvakanaka kuozone, kupenya kwezuva, uye mamiriro ekunze, uye inopesana zvakanyanya nekuora, kubvaruka, uye kudzvanya deformation. Yakakura kusimba kana ichienzaniswa neye nitrile rabha. Yakanakira kuchenesa injini dzemotokari uye mamwe magiya. Hazvikurudzirwe kushandisa izvi nemhinduro dzinonhuhwirira, madoro, kana esters. Tembiricha yakajairika yekushanda ndeye -40 kusvika 150 °C.

3. SIL silicone rubber sealing ring

Kuramba kwakanakisa kupisa, kutonhora, ozone, uye kuchembera kwemuchadenga kunobatwa nazvo. ine zvakanakisa insulating hunhu. Haidziviri mafuta, uye kusimba kwayo kwakaderera pane kwerabha yenguva dzose. Yakanakira kushandiswa nemagetsi emvura hita, simbi dzemagetsi, maovheni emicrowave, uye zvimwe midziyo yemumba. Izvo zvakakodzerawo kune zvakasiyana-siyana zvezvinhu, zvakadai zvitubu zvekunwa uye kettles, zvinosangana neganda remunhu. Hazvikurudzirwe kushandisa sodium hydroxide, oiri, concentrated acids, kana yakanyanya kunyungudutsa zvinonyungudutsa. Tembiricha yemhando yekushanda kwakajairwa ndeye -55 ~ 250 °C.

4. VITON fluorine rubber sealing ring

Mamiriro ekunze ayo akasarudzika, ozone, uye makemikari kuramba anofananidzwa neayo epamusoro tembiricha kuramba; zvisineyi, kutonhora kwaro kuri kushoma. Mazhinji emafuta uye zvinonyungudutsa, kunyanya asidhi, aliphatic uye anonhuwirira hydrocarbons, pamwe nemiriwo nemafuta emhuka, haakanganisa. Yakanakira mafuta masisitimu, zvivakwa zvemakemikari, uye injini yedhiziri yekuisa chisimbiso. Shandisa nemaketoni, yakaderera mamorekuru huremu esters, uye misanganiswa ine nitrate haina kurairwa. -20 kusvika 250 °C ndiyo yakajairika tembiricha yekushanda.

5. FLS fluorosilicone rubber sealing ring

Kuita kwayo kunosanganisa akanakisa hunhu hwesilicone uye fluorine rubber. Iyo zvakare inoshingirira zvakanyanya kune zvinonyungudutsa, mafuta emafuta, yakakwirira uye yakaderera tembiricha, uye mafuta. inokwanisa kumira nekukukurwa kwemakemikari anosanganisira oxygen, zvinonyungudutsa zvine mahydrocarbon anonhuwirira, uye zvinonyungudutsa zvine chlorine. -50 ~ 200 °C ndiyo yakajairika tembiricha yekushanda.

6. EPDM EPDM rubber sealing mhete

Iyo inodzivirira mvura, inodzivirira kemikari, inodzivirira ozone, uye inodzivirira mamiriro ekunze. Inoshanda zvakanaka pakuisa chisimbiso maapplications anosanganisira madoro uye ketoni pamwe nepamusoro-tembiricha yemvura mhute. Tembiricha yakajairika yekushanda ndeye -55 kusvika 150 °C.

7. CR neoprene kuvhara mhete

Inonyanya kugadzikana kumamiriro ekunze uye chiedza chezuva. Inoshingirira kune diluted acids uye silicone grease lubricant, uye haityi mafiriji se dichlorodifluoromethane uye ammonia. Kune rimwe divi, inowedzera zvakanyanya mumafuta emamineral ane yakaderera aniline mapoinzi. Kupisa kwakadzika kunoita kuti crystallization uye kuomesera kuve nyore. Yakakodzera kune huwandu hwemamiriro emuchadenga, solar, uye ozone-yakafumurwa pamwe nekusiyana-siyana kwemakemikari uye murazvo-anodzivirira chisimbiso chinongedzo. Shandisa nemaasidhi akasimba, nitrohydrocarbons, esters, ketone compounds, uye chloroform hazvikurudzirwe. Tembiricha yakajairika yekushanda ndeye -55 kusvika 120 °C.

8. IIR butyl rubber sealing ring

Inoita zvakanyanya zvakanaka maererano nekusimba kwemhepo, kupisa kupisa, UV kuramba, ozone kuramba, uye insulation; Pamusoro pezvo, inokwanisa kumira kuratidzwa kune zvinhu zvinogonesa oxidizable nemafuta emhuka nemiriwo uye inopikisa zvakanaka kune zvinonyungudutsa polar zvinosanganisira doro, ketoni, uye esters. Yakwana vacuum kana makemikari resistance equipment. Hazvikurudzirwe kuishandisa neparafini, anonhuwirira hydrocarbons, kana petroleum solvents. -50 kusvika 110 °C ndiyo yakajairika tembiricha yekushanda.

9. ACM acrylic rubber sealing ring

Kuramba kwayo kwemamiriro ekunze, kuramba kwemafuta, uye compression deformation rate zvese zvakati pazasi paavhareji, zvisinei simba rayo remuchina, kuramba kwemvura, uye kupisa kwakanyanya kwekushisa zvese zvakanaka. Kazhinji inowanikwa mumagetsi ekufambisa uye gearbox masisitimu emota. Hazvikurudzirwe kushandiswa nebrake fluid, mvura inopisa, kana phosphate esters. Tembiricha yakajairika yekushanda ndeye -25 kusvika 170 ° C.

10. NR natural rubber sealing ring

Midziyo yerabha yakasimba pakubvaruka, kurebesa, kusakara, uye kusimba. Inoita, zvisinei, inochembera nekukurumidza mumhepo, inonamira kana ichipisa, inowedzera zviri nyore, inonyungudika mumafuta emaminerari kana peturu, uye inomira yakapfava asidhi asi isina kusimba alkali. Yakakodzera kushandiswa muzvinwiwa zvine hydroxyl ion, yakadai ethanol uye mota brake fluid. -20 kusvika 100 °C ndiyo yakajairika tembiricha yekushanda.

11. PU polyurethane rubber sealing ring

Polyurethane rabha ine yakanakisa michina hunhu; inokunda mamwe marubha maererano nekupfeka kusagadzikana uye kupikisa kwakanyanya. Kuramba kwayo kuchembera, ozone, uye oiri zvakangonakawo; asi, pakupisa kwakanyanya, inotapukirwa nehydrolysis. Inowanzo shandiswa kuvharisa zvisungo zvinokwanisa kumira kupfeka uye high pressure. Tembiricha yakajairika yekushanda ndeye -45 kusvika 90 °C.