Yuav ua li cas txiav txim siab seb lub valve tseem ceeb ntawm lub pob valve yuav tsum tau hloov li cas?

Feem ntau cov tsos mob ntawm lub valve core puas
1. Qhov teeb meem leakage
(a) Sealing nto to: kua los yog roj los ntawm lub sealing nto los yog packing ntawm lub valve core tej zaum yuav tshwm sim los ntawm hnav, laus, los yog tsis tsim nyog installation ntawm lub sealing Cheebtsam. Yog tias qhov teeb meem tseem tsis tuaj yeem daws tau tom qab kho lub foob, hloov lub valve core.
(b) External to phenomenon: leakage nyob ib ncig ntawm lub valve qia los yog flange kev twb kev txuas, feem ntau yog tshwm sim los ntawm packing tsis ua hauj lwm los yog xoob bolts, yuav tsum tau soj ntsuam thiab hloov cov khoom sib thooj.
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2. Kev ua haujlwm tsis zoo
(a) Hloov jamming: Lubvalve qia los yog pobmuaj teeb meem rotating, uas tej zaum yuav tshwm sim los ntawm tsub zuj zuj ntawm impurities, lubrication tsis txaus, los yog thermal expansion. Yog tias kev tu lossis lubrication tseem tsis du, nws qhia tau hais tias cov qauv sab hauv ntawm lub valve core yuav puas.
(b) Insensitive action: Lub valve teb qeeb los yog xav tau kev khiav hauj lwm ntau dhau, uas tej zaum yuav yog vim muaj kev cuam tshuam ntawm lub valve core thiab lub rooj zaum lossis actuator tsis ua haujlwm.
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3. Sealing nto puas
Kos, dents, los yog corrosion ntawm lub sealing nto ua rau tsis zoo sealing. Nws tuaj yeem lees paub los ntawm kev soj ntsuam endoscopic tias kev puas tsuaj loj yuav tsum tau hloov lub valve core.
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Qhov sib txawv ntawm kev hloov kev txiav txim siab ntawm cov pob valve ua los ntawm cov khoom sib txawv
1. Yas pob valve: Lub cev lub cev thiab lub valve feem ntau yog tsim los ua ib chav tsev thiab tsis tuaj yeem hloov tau nyias. Forcefully disassembling lawv tuaj yeem yooj yim puas cov qauv. Nws raug pom zoo kom hloov lawv tag nrho.

2. Hlau pob valve (xws li tooj dag, stainless hlau): Lub pob valve tuaj yeem hloov tau nyias. Qhov nruab nrab yuav tsum tau kaw thiab lub raj xa dej yuav tsum tau muab pov tseg. Thaum disassembling, xyuam xim rau kev tiv thaiv ntawm lub nplhaib sealing.
球阀新闻插图
Kev xeem cov txheej txheem thiab cov cuab yeej
1. Kev sim yooj yim
(a) Kov kuaj: rub tus kov nce, nqis, sab laug, thiab sab xis. Yog tias qhov kev tiv thaiv tsis sib npaug lossis "tsis ua haujlwm" yog qhov txawv txav, lub valve tseem tuaj yeem hnav.
(b) Kev tshuaj xyuas qhov muag: Saib seb puas yogvalve qiayog khoov thiab seb puas muaj kev puas tsuaj rau lub sealing nto.

2. Cov cuab yeej pab
(a) Kev ntsuas siab: Kev sib khi ua haujlwm yog kuaj los ntawm dej siab lossis cua siab. Yog hais tias lub siab poob qis heev thaum lub sij hawm tuav, nws qhia tau hais tias lub valve core foob tau ua tsis tiav.
(b) Torque test: Siv lub torque wrench los ntsuas qhov hloov torque. Tshaj li tus qauv tus nqi qhia tias muaj kev sib txhuam sab hauv.


Post lub sij hawm: Lub Xya hli ntuj-18-2025

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