Ayyukan Gasket na Valve & Jagorar Aikace-aikace

An ƙera gaskets ɗin bawul don hana yaɗuwar da ke haifar da matsa lamba, lalata, da faɗaɗa/ƙuƙuwa tsakanin abubuwan da aka gyara. Duk da yake kusan duk sun yi flangedhaɗi's bawuloli suna buƙatar gaskets, takamaiman aikace-aikacen su da mahimmancin su sun bambanta ta nau'in bawul da ƙira. A wannan bangare,TWSzai bayyana bawul shigarwa matsayi da gasket abu selection.

I. Babban aikace-aikacen gaskets shine a haɗin haɗin flange na haɗin bawul.

Mafi yawan bawul ɗin amfani

1. Gate Valve
2. Globe Valve
3. Butterfly bawul(musamman ma'auni mai ma'ana da bawul na eccentric flanged malam buɗe ido)
4. Duba bawul

A cikin waɗannan bawuloli, ba a yi amfani da gasket don ƙayyadaddun ƙayyadaddun kwarara ko rufewa a cikin bawul ɗin kanta, amma an sanya shi tsakanin flanges biyu (tsakanin flange na bawul ɗin kanta da flange bututu). Ta hanyar ƙarfafa kusoshi, ana samar da isasshen ƙarfi don ƙirƙirar hatimi a tsaye, yana hana yayyowar matsakaici a haɗin. Ayyukansa shine cike ƙananan giɓi mara daidaituwa tsakanin filaye biyu na ƙarfe na ƙarfe, yana tabbatar da rufewa 100% a haɗin.

II.Aikace-aikacen Gasket a cikin Valve "Bawul Cover"

Yawancin bawuloli an ƙera su tare da jikin bawul ɗin daban da murfi don sauƙin kulawa na ciki (misali, maye gurbin kujerun bawul, bawul ɗin diski, ko share tarkace), waɗanda sai a kulle su tare. Ana kuma buƙatar gasket a wannan haɗin don tabbatar da hatimi mai tsauri.

1. Haɗin kai tsakanin murfin bawul da jikin bawul na bawul ɗin ƙofar da bawul ɗin duniya yawanci yana buƙatar amfani da gasket ko zoben O-ring.
2. Gaskat a wannan matsayi kuma yana aiki azaman hatimi mai tsayi don hana matsakaici daga zubewa daga jikin bawul zuwa cikin yanayi.

III. Musamman gasket don takamaiman nau'in bawul

Wasu bawuloli sun haɗa da gasket a matsayin wani ɓangare na babban haɗin hatimin su, wanda aka ƙera don haɗawa cikin tsarin bawul.

1. Butterfly bawul- bawul wurin zama gasket

• Wurin zama na bawul ɗin malam buɗe ido shine ainihin gasket ɗin zobe, wanda ake matse shi a bangon ciki na jikin bawul ko sanya shi a kusa da faifan malam buɗe ido.
• Lokacin da malam buɗe idodiskiyana rufewa, yana danna gaket ɗin kujerar bawul don samar da hatimi mai ƙarfi (kamar malam buɗe idodiskiyana juyawa).
• Kayan yawanci roba ne (misali, EPDM, NBR, Viton) ko PTFE, an ƙera shi don ɗaukar kafofin watsa labarai daban-daban da yanayin zafin jiki.

2. Bawul Bawul-Bawul Seat Gasket

• Wurin zama na bawul ɗin bawul ɗin ball shima nau'in gasket ne, yawanci ana yin shi daga kayan kamar PTFE (polytetrafluoroethylene), PEEK (polyetheretherketone), ko robobi da aka ƙarfafa.
• Yana ba da hatimi tsakanin ball da jikin bawul, yana aiki duka a matsayin hatimi na tsaye (dangane da jikin bawul) da hatimi mai ƙarfi (dangi da ƙwallon mai juyawa).

IV. Wadanne bawuloli ne yawanci ba a amfani da gaskets?

1. Bawul ɗin walda: Jikin bawul ɗin yana haɗa kai tsaye zuwa bututun, yana kawar da buƙatar flanges da gaskets.
2. Bawuloli tare da zaren haɗin gwiwa: Yawancin lokaci suna amfani da zaren lilin (kamar ɗanyen tef ko sealant), gabaɗaya suna kawar da buƙatar gaskets.
3. Monolithic bawul: Wasu ƙananan bawul ɗin ƙwallon ƙwallon ƙafa ko ƙwararrun bawul ɗin suna da alaƙar jikin bawul ɗin da ba za a iya wargajewa ba, don haka rasa gas ɗin murfin bawul.
4. Bawuloli tare da O-zoben ko gaskets-karfe na nannade: A cikin matsanancin matsin lamba, zafi mai zafi, ko aikace-aikacen matsakaici na musamman, mafita na ci gaba na iya maye gurbin gaskets marasa ƙarfe na al'ada.

V. Taƙaice:

Valve gasket wani nau'in nau'in maɓalli ne na yanke maɓalli na gabaɗaya, ana amfani dashi ko'ina a cikin haɗin bututun bawuloli daban-daban, kuma ana amfani dashi a cikin rufe murfin bawul na bawuloli da yawa. A cikin zaɓin, ya zama dole don zaɓar kayan gasket mai dacewa da tsari bisa ga nau'in bawul, yanayin haɗi, matsakaici, zazzabi da matsa lamba.