Cov yam ntxwv ntawm lub valve ncaj qha cuam tshuam nws cov kev ua haujlwm thiab cov txheej txheem tsim khoom.Lawv tsis tsuas yog cuam tshuam cov khoom ntawm cov qauv thiab daim ntawv thov tab sis kuj nqa cov ntaub ntawv siv tau rau kev txheeb xyuas, teeb tsa, thiab kev saib xyuas. Hauv kev lag luam chaw, cov neeg ua haujlwm feem ntau txiav txim siab sai sai ntawm hom valve, txoj kev sib txuas, thiab kwv yees qhov tshwj xeeb raws li nws cov tsos; Yog li ntawd, cov qauv zoo li qub thiab kev lees paub siab yog qhov tseem ceeb.
Los ntawm tag nrho cov morphological foundations, lub valve lub cev muaj lub valve lub cev, valve cover, txuas xaus, thiab kev khiav hauj lwm mechanism, nrog harmonious proportions thiab ib tug yooj yim qauv. Cov txheej txheem sib txawv ntawm cov li qub muaj qhov sib txawv: cov rooj vag li qub feem ntau yog cylindrical, nrog cov symmetrically faib flanges lossis threaded interfaces ntawm ob qho kawg; lub ntiaj teb li qub yog elongated, nrog kom meej meej cov qia thiab tes tuav txoj hauj lwm; pob li qub feem ntau yog luv luv thiab tuab, nrog rau qhov pom cov duab kheej kheej hauv lub cev valve; Npauj npaim li qub yog cov tiaj tus, nrog lub compact valve phaj thiab ncej system. Cov kev sib txawv morphological no tshwm sim los ntawm cov hauv paus ntsiab lus qhib thiab kaw thiab ua kom yooj yim rau kev txheeb xyuas tus neeg siv.
Cov kev sib txuas xaus yog ib feem tseem ceeb ntawm cov tsos, feem ntau muaj nyob rau hauv flange, threaded, welded, thiab compression haum cov ntaub ntawv. Flange kev sib txuas qhia qhov sib npaug sib npaug ntawm lub qhov ntsia hlau, nrog qhov ntev thiab qhov nruab nrab lub voj voog txoj kab uas hla ua raws li cov qauv tshwj xeeb. Threaded kev sib txuas nthuav tawm cov xov sab nraud lossis sab hauv, nrog cov xov profile thiab suab qhia txog qhov ntsuas siab thiab siv cov yeeb nkab txoj kab uas hla. Welded xaus yog beveled los yog tiaj tus, thiab nto tiav thiab geometric qhov ntev ncaj qha cuam tshuam qhov zoo ntawm vuam.
Daim ntawv thiab layout ntawm kev khiav hauj lwm mechanism kuj yog cov yam ntxwv pom. Los ntawm txhais tes li qub tau nruab nrog cov tes tuav los yog cov tes tuav, feem ntau yog nyob rau sab xis ntawm lub valve lub cev axis rau kev siv zog yooj yim. Gearbox kis tau tus mob loj, nrog rau cov vaj tse thiab cov tswv yim / tso zis shafts pom. Pneumatic lossis hluav taws xob actuators yog ntsia rau sab saum toj lossis sab ntawm lub cev lub cev, nrog cov tsev nyob feem ntau yog ua los ntawm cov hlau, muaj cov chaw nres nkoj lossis cov khoom siv cua, thiab cov cim meej.
Kev kho deg yog ib qho tseem ceeb ntawm cov tsos zoo. Cov pa roj carbon steel li qub siv xeb- cov xim pleev xim tiv thaiv, nrog cov xim sib txawv nyob ntawm daim ntawv thov. Stainless hlau li qub yog polished los yog matte - tiav, ua rau ib tug du thiab corrosion- resistant nto. Li qub rau cov ntawv thov tshwj xeeb yuav raug coated nrog siab -kub los yog tshuaj lom neeg- cov coatings resistant, nrog cov xim sib xws thiab muaj zog adhesion. Nameplates thiab flow direction markings feem ntau yog affixed rau ib qho chaw tseem ceeb ntawm lub valve lub cev, qhia tus qauv, siab ntsuas, cov khoom, thiab cov chaw tsim tshuaj paus cov ntaub ntawv kom yooj yim traceability thiab tswj. Ib qho zoo-tsim sab nrauv tsis yog tsuas yog txhim kho cov khoom pom thiab yooj yim ntawm kev saib xyuas tab sis kuj qhia txog qib ntawm kev tsim khoom siv tes ua. Thaum ua tau raws li qhov yuav tsum tau ua thiab cov txheej txheem, cov li qub niaj hnub niaj hnub ua kom zoo dua lawv cov qauv kev yooj yim, cov qauv compact, thiab qhov chaw zoo, muab cov chaw lag luam nrog cov khoom lag luam uas yog cov tswv yim thiab cov kws tshaj lij.
