Vim hais tias lub pob valve feem ntau yog ua los ntawm roj hmab, nylon thiab PTFE raws li lub rooj foob, qhov kub thiab txias yog txwv los ntawm cov khoom siv foob. Qhov kev txiav tawm ntawm lub pob valve yog nyob ntawm cov hlau kheej kheej nyob rau hauv qhov kev txiav txim ntawm qhov nruab nrab, lub rooj zaum yas valve ntawm lub siab kom ua tiav (floating pob valve). Nyob rau hauv cov ntaub ntawv ntawm ib tug tej yam kev sib cuag siab, cov yas deformation ntawm lub rooj zaum seals tshwm sim nyob rau hauv lub zos cheeb tsam. Qhov deformation no tuaj yeem them nyiaj rau kev tsim khoom precision thiab nto roughness ntawm tus kheej, thiab xyuas kom meej sealing kev ua tau zoo ntawm lub pob valve.
Thiab vim hais tias lub rooj zaum ntawm lub pob valve feem ntau yog ua los ntawm cov yas, yog li ntawd, nyob rau hauv kev xaiv ntawm lub pob valve qauv thiab kev ua tau zoo, xav txog lub pob valve hluav taws kub thiab hluav taws kub, tshwj xeeb tshaj yog nyob rau hauv cov roj av, tshuaj, metallurgy thiab lwm yam departments, nyob rau hauv flammable, explosive nruab nrab cov cuab yeej thiab piping system siv lub pob valve, yuav tsum xyuam xim rau cov hluav taws thiab hluav taws.
Feem ntau, nyob rau hauv ob txoj hauj lwm hloov, kev sib khi ua tau zoo yog nruj, av nkos, hnav, necking channel, qhib thiab kaw sai sai (1/4 tig tawm), kev kub siab txiav tawm (lub siab loj), tsis tshua muaj suab nrov, roj thiab gasification. phenomenon, ib qho me me ntawm cov pa tawm mus rau qhov chaw, me me kev khiav hauj lwm torque, cov dej tsis kam ntawm cov kav dej, pom zoo kom siv lub pob valve.
Pob valve kuj tsim nyog rau cov qauv teeb, tsis tshua muaj siab txiav tawm (qhov sib txawv me me), corrosive nruab nrab piping system. Pob li qub kuj muaj nyob rau hauv cov khoom siv cryogenic (cryogenic) thiab cov kav dej. Nyob rau hauv metallurgical kev lag luam oxygen piping system, yuav tsum tau siv ib tug nruj degreasing kev kho mob ntawm lub pob valve. Tag nrho cov bore welded pob valve yuav tsum tau muab faus rau hauv cov kav dej hauv txoj kab nrog cov kav dej thiab cov kav dej. Thaum yuav tsum tau kho qhov kev ua tau zoo, koj yuav tsum xaiv cov qauv tshwj xeeb nrog V-shaped qhib lub pob valve. Hauv roj av, petrochemical, tshuaj, hluav taws xob, hluav taws xob, kev tsim kho hauv nroog, kev ua haujlwm kub ntawm ntau tshaj 200 degrees hauv cov kav dej tuaj yeem xaiv cov hlau rau hlau kaw lub pob valve.
