Kodi mungadziwe bwanji momwe valavu ya gulugufe ilili? tsegulani kapena tsekani

Ma valve a gulugufe ndi zinthu zofunika kwambiri m'mafakitale osiyanasiyana. Ali ndi ntchito yotseka madzi ndikuwongolera kayendedwe ka madzi. Chifukwa chake kudziwa momwe ma valve a gulugufe alili panthawi yogwira ntchito—kaya ndi otseguka kapena otsekedwa—ndikofunikira kwambiri kuti mugwiritse ntchito bwino komanso kusamalira.

Kudziwa ngati valavu ya gulugufe ndi yotseguka kapena yotsekedwa kumadalira makamaka mawonekedwe ndi zizindikiro. Pamene chogwirira ntchito si chogwirira, momwe mbale ya valavu imayendera mmwamba ndi pansi ndi yosiyana ndi mavalavu ena monga mavalavu okweza chipata cha tsinde ndi mavalavu ozungulira (mavalavu okweza chipata cha tsinde amangofunika kuwona kutalika kwa tsinde la valavu kuti adziwe malo a mbale ya valavu). Mavalavu a gulugufe ali ndi mawonekedwe apadera. Disiki ya valavu imatha kuzungulira 0-90° m'thupi la valavu kuti isinthe kayendedwe ka madzi.

Umu ndi momwe mungadziwire malo a mbale ya gulugufe ya valavu ya gulugufe:

1. Chimbale choyang'ana ndi mano:

Ma valve ang'onoang'ono a gulugufe, DN ≤ 250, akhoza kukhala ndi zogwirira ndi ma disc okhala ndi mano. Monga momwe dzinalo likusonyezera, diski yokhala ndi mano nthawi zambiri imakhala ndi masikelo 10, yoyamba imakhala yotsekedwa kwathunthu, ndipo yomaliza imakhala yotseguka kwathunthu.
Malo otseguka: Akatsegulidwa kwathunthu, diski ya valavu imayenderana ndi njira yoyendera madzi, zomwe zimathandiza kuti njira yamadzi isatsegulidwe.
Malo otsekedwa: Mu mkhalidwe wotsekedwa, diski ya valavu imapanga kutsekeka koyima pamadzimadzi ndikuletsa kuyenda kwamadzimadzi.

2. Chizindikiro cha malo:

Ma valve ambiri a gulugufe ali ndi zizindikiro zakunja monga mivi kapena zizindikiro pamutu wa turbine. Zizindikirozi zimagwirizana ndi zizindikiro zinazake zomwe zimasonyeza malo a valvu.

3. Chizindikiro cha ndemanga:

Mu machitidwe apamwamba, zizindikiro zotumizira mauthenga kuchokera ku masensa kapena ma switch zimaphatikizidwa mu makina a valavu, zomwe zimapereka chidziwitso cha nthawi yeniyeni chokhudza momwe valavu ilili.

4. Kuwunika patali:

Mafakitale amakono angagwiritse ntchito njira zowunikira patali zomwe zimalola ogwiritsa ntchito kuyang'ana patali momwe ma valve a gulugufe alili ndikuwonjezera kuwongolera ndi kuyang'anira.
Kuonetsetsa kuti ma valve a gulugufe ali pamalo oyenera ndikofunikira kwambiri kuti ntchito iyende bwino, kupewa kutuluka kwa madzi komanso kukonza bwino ntchito. Njira zowunikira nthawi zonse ndi kukonza ziyenera kuphatikizapo kutsimikizira momwe ma valve awa alili kuti achepetse chiopsezo ndikusunga magwiridwe antchito a makina.

Mwachidule, kudziwa ngati valavu ya gulugufe ndi yotseguka kapena yotsekedwa kumadalira kwambiri zizindikiro zosiyanasiyana zowoneka ndi zaukadaulo. Kumvetsetsa zizindikiro izi ndikofunikira kwambiri pakuwongolera bwino mavalavu ndi ntchito zamafakitale.