Lub triple eccentric nyuaj foob npauj npaim valve yog hom valve uas muaj cov qauv tshwj xeeb thiab kev ua tau zoo dua. Yog li dab tsi yog tus qauv ntawm triple eccentric nyuaj foob npauj npaim valve?
Lub triple eccentric nyuaj foob npauj npaim valve muaj kev sib khi zoo heev thiab kev ua haujlwm txhim khu kev qha. Nws yog dav siv nyob rau hauv ntau yam kev lag luam, xws li petrochemicals, lub zog, thiab lwm yam.
Cov qauv ntawm triple eccentric nyuaj foob npauj npaim valve yog qhov yooj yim thiab compact. Nws tsuas yog muaj lub cev valve, lub rooj zaum valve, valve phaj thiab tsav tsheb. Lub cev lub cev yog qhov kev txhawb nqa tseem ceeb ntawm npauj npaim valve thiab feem ntau yog ua los ntawm cov hlau thiab stainless hlau kom tau raws li qhov xav tau ntawm ntau yam kev ua haujlwm. Lub rooj zaum valve yog qhov sib khi ntawm lub cev lub cev, feem ntau yog ua los ntawm roj hmab, polytetrafluoroethylene thiab lwm yam ntaub ntawv, uas tuaj yeem tiv thaiv cov kua dej tawm.
Cov khoom tseem ceeb ntawm triple eccentric nyuaj foob npauj npaim valve yog lub phaj valve. Lub valve phaj yog ib qho tseem ceeb ntawm cov npauj npaim valve. Nws muaj peb eccentric axes (cov lus qhia ntxaws ntxaws rau koj tom qab). Cov peb eccentric axes no pab kom lub valve phaj kom ua tiav kev sib txhuam tsawg heev thiab hnav thaum lub sijhawm kaw thiab qhib cov txheej txheem, yog li ua rau lub neej ntawm lub valve. thiab sealing kev ua tau zoo.
Dab tsi yog peb qhov offsets ntawm triple-eccentric hard-seal npauj npaim valve:
Thawj eccentricity - lub ncej deviates los ntawm cov kab nruab nrab ntawm lub sealing nto. Npauj npaim li qub tsim thiab tsim raws li lub hauv paus ntsiab lus no feem ntau hu ua ib sab eccentric npauj npaim li qub.
Qhov thib ob eccentricity - lub axis yog me ntsis sib txawv ntawm qhov nruab nrab ntawm cov kav dej thiab lub valve. Npauj npaim li qub tsim thiab tsim raws li cov hauv paus ntsiab lus ntawm thawj eccentricity thiab thib ob eccentricity feem ntau hu ua ob chav eccentric npauj npaim li qub.
Qhov thib peb eccentricity sealing nto ntawm tus npauj npaim phaj txais ib qho eccentric cone nto. Cov duab geometric ua rau lub phaj npauj npaim thiab lub nplhaib sib khi sib cais tag nrho thaum lub sijhawm tag nrho kev hloov pauv ntawm lub valve. Qhov kev sib xyaw eccentric tshwj xeeb no tsis tsuas yog siv cov nyhuv cam tab sis kuj tshem tawm kev sib txhuam, yog li ua tiav tsis muaj kev sib txhuam ntawm npauj npaim phaj thiab lub valve lub rooj sib khi lub nplhaib thaum lub sij hawm 90 degree stroke ntawm lub valve, tshem tawm cov teeb meem ntawm hnav thiab to.
Lub triple eccentric nyuaj foob npauj npaim valve muaj cov qauv tshwj xeeb thiab muaj ntau yam zoo. Ua ntej tshaj plaws, nws muaj lub zog ua haujlwm qis thiab hloov tau yooj yim thiab yooj yim rau kev khiav lag luam. Qhov thib ob, tus tsim ntawm peb eccentric axes ua rau lub valve phaj kom tshem tawm tag nrho lub rooj zaum valve ncua thiab hnav, yog li ua tiav kev sib khi zoo. Tsis tas li ntawd, lub valve phaj ua los ntawm carbide los yog stainless hlau muaj zoo corrosion kuj thiab hnav tsis kam thiab haum rau ntau yam kev ua haujlwm.