1. Concentric npauj npaim valve
Cov yam ntxwv ntawm hom npauj npaim valve yog qhov chaw nruab nrab ntawm lub valve qia, qhov nruab nrab ntawm lub phaj npauj npaim, thiab qhov nruab nrab ntawm lub cev yog nyob rau hauv tib txoj hauj lwm.Cov qauv yog yooj yim thiab kev tsim khoom yog yooj yim. -lined npauj npaim li qub yog nyob rau hauv qeb no.Qhov tsis zoo yog tias lub phaj npauj npaim thiab lub rooj zaum valve yeej ib txwm nyob rau hauv lub xeev ntawm squeezing thiab khawb, nrog ib tug loj kuj nyob deb thiab ceev coj.Yuav kom kov yeej squeezing, khawb, thiab xyuas kom meej. sealing kev ua tau zoo, lub rooj zaum valve yeej siv cov ntaub ntawv elastic xws li roj hmab lossis polytetrafluoroethylene, tab sis nws kuj raug txwv rau kev siv kub. Qhov no yog vim li cas ib txwm neeg xav tias npauj npaim li qub tsis tiv taus qhov kub thiab txias. vim li cas.
2. Ib leeg eccentric npauj npaim valve
Yuav kom daws tau qhov teeb meem ntawm extrusion ntawm npauj npaim phaj thiab lub rooj zaum ntawm lub concentric npauj npaim valve, ib qho eccentric npauj npaim valve tau tsim. Disperse thiab txo cov squeezing ntau dhau ntawm lub sab sauv thiab qis kawg ntawm lub phaj npauj npaim thiab lub rooj zaum valve.Txawm li cas los xij, vim tias cov qauv eccentric nkaus xwb tsis ploj ntawm qhov khawb ntawm lub phaj npauj npaim thiab lub rooj zaum valve thaum tag nrho cov txheej txheem hloov ntawm lub valve. , thiab daim ntawv thov ntau yam zoo ib yam li cov concentric npauj npaim valve, nws tsis yog siv ntau.
3. Ob chav eccentric npauj npaim valve
Nyob rau hauv lub hauv paus ntawm ib tug eccentric npauj npaim valve, ob eccentric npauj npaim valve yog feem ntau lug siv ob chav eccentric npauj npaim valve.Nws cov yam ntxwv feature yog hais tias lub axis ntawm lub valve qia deviates los ntawm qhov chaw ntawm npauj npaim phaj thiab qhov chaw ntawm lub cev. .Qhov ob chav eccentric nyhuv enables tus npauj npaim phaj tso tawm los ntawm lub rooj zaum valve tam sim ntawd tom qab lub valve qhib, uas zoo heev tshem tawm qhov tsis tsim nyog ntau dhau squeezing thiab khawb ntawm npauj npaim phaj thiab lub rooj zaum valve, txo qhov qhib tsis kam, txo qhov hnav thiab txhim kho Cov. Lub neej ntawm lub rooj zaum valve tau txhim kho.Qhov kev txhuam yog txo qis, thiab tib lub sijhawm, ob chav eccentric npauj npaim valve kuj tseem tuaj yeem siv lub rooj zaum hlau, uas txhim kho daim ntawv thov ntawm npauj npaim valve hauv qhov kub thiab txias.Tab sis vim nws sealing lub hauv paus ntsiab lus yog ib txoj hauj lwm sealing qauv, uas yog, lub sealing nto ntawm tus npauj npaim phaj thiab lub rooj zaum valve yog nyob rau hauv kab sib cuag, thiab lub elasti. c deformation tshwm sim los ntawm npauj npaim phaj squeezing lub valve lub rooj tsim ib tug sealing nyhuv, yog li ntawd lub kaw txoj hauj lwm yog heev xav tau (tshwj xeeb tshaj yog hlau Valve lub rooj), tsis tshua muaj siab bearing muaj peev xwm, uas yog vim li cas ib txwm neeg xav hais tias npauj npaim li qub tsis resistant rau siab kub. thiab muaj dej ntws loj.
4. Triple eccentric npauj npaim valve
Txhawm rau tiv taus qhov kub thiab txias, cov ntsaws ruaj ruaj yuav tsum tau siv, tab sis cov dej xau yog loj; rau xoom to, mos cov ntsaws ruaj ruaj yuav tsum tau siv, tab sis lawv tsis resistant rau high kub.Yuav kom kov yeej qhov contradiction ntawm ob chav eccentric npauj npaim valve, npauj npaim valve yog eccentric rau peb lub sij hawm.Nws cov yam ntxwv feature yog hais tias thaum lub ob eccentric valve qia axis txoj hauj lwm yog eccentric, lub conical axis ntawm npauj npaim phaj sealing nto yog skewed rau lub tog raj kheej axis ntawm lub cev, uas yog hais tias, tom qab lub thib peb eccentricity, lub sealing seem ntawm npauj npaim phaj tsis tas li ntawd, nws yog. Lub voj voog tiag tiag, tab sis ib qho ellipse, thiab cov duab ntawm lub sealing nto yog li asymmetrical. Ib sab yog inclined mus rau hauv nruab nrab kab ntawm lub cev, thiab lwm sab yog parallel mus rau hauv nruab nrab kab ntawm lub cev.Qhov loj tshaj feature ntawm no peb eccentricity yog hais tias nws fundamentally hloov lub sealing qauv. Nws tsis yog qhov chaw foob, tab sis lub foob torsion, uas yog, nws tsis cia siab rau lub elastic deformation ntawm lub rooj zaum valve, tab sis kiag li tso siab rau qhov kev sib cuag saum npoo ntawm lub rooj zaum valve kom ua tiav lub foob. Yog li ntawd, qhov teeb meem ntawm xoom to ntawm lub rooj zaum hlau valve yog daws nyob rau hauv ib tug poob swoop, thiab vim hais tias qhov kev sib cuag nto siab yog proportional rau nruab nrab siab, lub siab kub thiab kub kuj kuj daws.
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