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Txuj Ci O Ntiv Nplhaib
O-rings yog cov khoom sib txuas nrog cov duab sib tshooj uas sib tshooj, siv tau rau hauv cov ntawv thov zoo li qub lossis hauv cov ntawv thov siv qhov chaw uas muaj qhov sib txheeb ntawm cov ntu thiab O-ntiv nplhaib. Kev xaiv O-ring yog ua raws cov tshuaj siv tshuaj, kev ntsuas kub, ntsuas lub siab, xav tau lubrication, lub ntsuas dej, qhov loj me thiab tus nqi. Peb muab rau koj ntau ntawm cov ntaub ntawv elastomeric rau ob qho tib si tus qauv thiab cov ntawv thov tshwj xeeb uas tso cai O-Nplhaib khi txhua qhov kev tshaj tawm ua kua thiab gaseous.
Kev piav qhia
O-rings yog cov khoom sib txuas nrog cov duab sib tshooj uas sib tshooj, siv tau rau hauv cov ntawv thov zoo li qub lossis hauv cov ntawv thov siv qhov chaw uas muaj qhov sib txheeb ntawm cov ntu thiab O-ntiv nplhaib. Kev xaiv O-ring yog ua raws cov tshuaj siv tshuaj, kev ntsuas kub, ntsuas lub siab, xav tau lubrication, lub ntsuas dej, qhov loj me thiab tus nqi. Peb muab koj cov ntaub ntawv zoo ntawm cov khoom siv tshwj xeeb rau ob tus qauv thiab cov ntawv thov tshwj xeeb uas tso cai O-Ring kom muab tso rau txhua qhov kev tshaj tawm ua kua thiab gaseous.
Qhov zoo
Kev tsim kev cog lus
Yooj yim sib dhos
Kev daws teeb meem
Symmetry uas txo cov kev pheej hmoo ntawm kev sib dhos yuam kev
Cov ntaub ntawv txheej txheem
| Ntsig Kub | -60°C /+200°C |
| Siab | * |
| Ceev | * |
| Xov Xwm | Feem ntau ntawm cov kua, ua pa lossis ua kua tshuaj nyob ntawm hom khoom xaiv. Txheeb xyuas peb phau ntawv qhia-cov khoom siv coj los sib xyaw ua ke. |
Cov ntawv thov
O-Rings siv nyob rau hauv avariety ntawm cov liaj teb: lawv yog siv los ua cov khoom sib khi los yog cov khoom siv hluav taws xob rau cov hlua khau khiab hydraulic thiab cov nplais. Yog li, O-Ring yog qhov siv dav hauv txhua qhov haujlwm ntawm kev lag luam suav nrog aerospace, tsheb lossis kev tsim qauv tshuab. Niaj hnub no, O-rings yog ib qho ntawm cov ntsaws ruaj ruaj heev uas siv hauv tshuab tsim vim tias lawv pheej yig, yooj yim ua, thiab txhim khu kev qha thiab muaj qhov yooj yim mounting.
NBR (Roj Roj Nitrile Butadiene)
Nitrile roj hmab (NBR) yog cov lus dav dav rau acrylonitrile-butadiene copolymer. ACN cov ntsiab lus tuaj yeem sib txawv li 18% thiab 50%. Thaum lub ntsiab lus acrylonitrile tseem ceeb, qhov tsis kam nrog roj thiab roj yog li ntawd. Hloov pauv, elasticity thiab compression teeb tau tsis zoo. Tus NBR muaj cov khoom siv kho tshuab thiab cov coj zoo hnav. Txawm li cas los xij, nws ua haujlwm rau cov cua nkag thiab ozone nws yog qhov tsawg.
| Tshuaj ua hauj | Aliphatic hydrocarbons (propane, butane, roj av, diesel roj) Cov roj ntxhia thiab cov roj nyeem Cov dej tiv thaiv hluav taws (HFA, HFB thiab HFC) Diluted acids, alkaline thiab saline kev daws rau qhov kub tsawg Dej (nce txog +100 ° C max) |
| Qhov teeb meem tau ua ke | Cov roj nrog cov ntsiab lus ahigh aromatic Muaj ntxhiab roj hydrocarbons Tshuaj Chlorinated hydrocarbons (trichlorethylene) Cov ncov qaumteb qabteb (ketone, acetone, acetic acid, ethylene-ester) Muaj zog acids Glycol-based brake kua Cov neeg sawv cev hauv av thiab ozone |
| Ntau yam kub thiab txias | -30 ° C / +100 ° C (lub sij hawm luv ncov ntawm +120 ° C) -40 ° C / +100 ° C nrog NBR tshwj xeeb |
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