Thovble Flygt Pump Models ntawm Qhov Mechanical Foob:
● 3101 (Twj)
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Daim ntawv thov ntawm fluorine roj hmab (FKM)
Fluorine roj hmab foob, thaum siv rau lub cav sealing, tuaj yeem ua haujlwm ntev ntawm 200 ℃ ~ 250 ℃, thiab ua haujlwm ntawm 300 ℃ rau lub sijhawm luv. Nws lub neej ua haujlwm tuaj yeem zoo ib yam li lub cav kho lub neej, ncav cuag 1000 txog 5000 lub sijhawm ya davhlau (lub sijhawm 5 ~ 10 xyoo); Thaum siv hauv kev lag luam tshuaj, nws tuaj yeem kaw cov ntxhia hauv cov kua qaub (xws li 67% sulfuric acid ntawm 140 ℃, concentrated hydrochloric acid ntawm 70 ℃, thiab 30% nitric acid ntawm ℃), organic solvents (xws li chlorinated hydrocarbons, benzene, High roj av muaj ntxhiab) thiab lwm yam organic (xws li butadiene, styrene, propylene, phenol, fatty acids ntawm 275 ° C, thiab lwm yam); Thaum siv cov roj sib sib zog nqus, nws tuaj yeem ua haujlwm hnyav ntawm 149 ° C thiab 420 atmospheres; Thaum overheating chav foob, nws tuaj yeem ua haujlwm ntev hauv chav nruab nrab ntawm 160 ~ 170 ℃. Hauv kev tsim cov monocrystalline silicon, fluorine roj hmab foob feem ntau siv los kaw cov xov xwm tshwj xeeb ntawm qhov kub siab (300 ° C)-trichlorosilane, silicon tetrachloride, gallium arsenide, phosphorus trichloride, trichloroethylene, thiab 120 ° C Cov hydrochloric acid thiab lwm yam.
Rau kev siv lub tshuab nqus tsev siab, thaum ya qhov siab yog 200 ~ 300Km, huab cua siab yog 133 × 10-6 Pa (10-6mmHg), neoprene roj hmab, butadiene roj hmab, butyl roj hmab tuaj yeem siv tau; Thaum qhov dav dav dav dav tshaj 643Km, huab cua siab yuav poob qis dua 133 × 10-7Pa (10-7mmHg), thiab tsuas yog fluorine roj hmab tuaj yeem siv rau hauv lub tshuab nqus tsev siab no. Feem ntau, lub tshuab nqus tsev siab lossis ultra-high-lub tshuab nqus tsev yuav tsum tau ci ntawm qhov kub thiab txias ua ntej siv. Qauv 26 thiab 246 fluoroelastomers tuaj yeem tiv taus qhov kub thiab txias ntawm 200 ℃ ~ 250 ℃, yog li lawv tau dhau los ua cov roj hmab tseem ceeb tshaj plaws hauv cov cuab yeej nqus tsev siab thiab lub dav hlau. Khoom siv.
Lub hose ua los ntawm cov roj hmab fluorine yog tsim rau kev kub siab, roj tsis kam thiab tshwj xeeb nruab nrab tsis kam, xws li roj dav hlau roj, roj hydraulic, roj hluavtaws roj, cua kub kub, thermal inorganic thiab lwm yam xov xwm tshwj xeeb (xws li chlorinated hydrocarbons thiab Lwm cov tshuaj chlorides) kev thauj mus los, kev taw qhia, thiab lwm yam. Cov hlau thiab cov kab hluav taws xob ua los ntawm cov roj hmab fluorine muaj qhov ua tau zoo thiab cov rwb thaiv tsev zoo. Cov iav fiber ntau daim kab xev ua los ntawm fluorine roj hmab tuaj yeem tiv taus qhov kub thiab txias ntawm 300 ℃ thiab tiv thaiv cov tshuaj corrosion. Tom qab daim ntaub aramid yog coated nrog fluorine roj hmab, nws tuaj yeem siv los ua cov yeeb nkab txuas txuas ntawm qhov kub thiab txias resistant, acid thiab alkali resistant cia tso tsheb hlau luam ntawm petrochemical cog (ob kawg yuav txuas nrog hlau flanges), uas muaj peev xwm. tiv taus kev kub siab, kub siab thiab nruab nrab corrosion, thiab lub deformation thiab expansion ntawm ob lub tso tsheb hlau luam ua lub luag hauj lwm nyob rau hauv buffering thiab shock-absorbing kev twb kev txuas. Lub hnab roj hmab-dawb kaw lub hnab ua los ntawm nylon daim ntaub coated nrog fluorine roj hmab yog siv los ua ib tug mos mos foob rau lub puab ntab ru tsev cia tank ntawm ib tug roj refinery mus foob thiab txo cov volatilization poob ntawm cov roj theem.
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