Imisebenzi engundoqo kunye neMithetho-siseko yoKhetho lweeVavu

Iivalvu ziyinxalenye ebalulekileyo yeenkqubo zemibhobho yoshishino kwaye zidlala indima ebalulekileyo kwinkqubo yokuvelisa.

Ⅰ. Umsebenzi oyintloko wevalve

1.1 Ukutshintsha kunye nokusika imidiya:ivalve yesango, ivelufa butterfly, ivalve yebhola inokukhethwa;

1.2 Thintela ukubuyela ngasemva kwesiphakathi:khangela ivalveinokukhethwa;

1.3 Lungisa uxinzelelo kunye nesantya sokuhamba kwendawo ephakathi: ivelufa enokuzikhethela yokuvala kunye nevalve yokulawula;

1.4 Ukwahlula, ukuxuba okanye ukuhanjiswa kwemidiya: ivalve yeplagi,ivalve yesango, ivalve yokulawula inokukhethwa;

1.5 Ukuthintela uxinzelelo oluphakathi ekugqithiseni ixabiso elichaziweyo ukuqinisekisa ukusebenza okukhuselekileyo kombhobho okanye izixhobo: i-valve yokhuseleko inokukhethwa.

Ukukhethwa kweevalve ikakhulu kumbono wokusebenza okungenangxaki kunye noqoqosho.

Ⅱ. Umsebenzi wevalve

Kukho izinto ezininzi ezibalulekileyo ezibandakanyekayo, kwaye nantsi ingxoxo eneenkcukacha ngazo:

2.1 Ubume bolwelo oluhambisayo

Uhlobo lwe-Fluid: Nokuba ulwelo lulwelo, igesi, okanye umphunga luchaphazela ngokuthe ngqo ukhetho lwevalvu. Umzekelo, ulwelo lunokufuna ivalve yokuvala, ngelixa iigesi zinokufaneleka ngakumbi kwiivalvu zebhola. Ukonakala: Ulwelo olunoburhorho lufuna izinto ezikwaziyo ukutyiwa njengentsimbi engatyiwa okanye iialloyi ezikhethekileyo. I-Viscosity: Ulwelo oluphezulu lwe-viscosity lunokufuna i-diameters enkulu okanye i-valve eyenzelwe ngokukodwa ukunciphisa ukuvala. Umxholo wesuntswana: Ulwelo olunamasuntswana aqinileyo lunokufuna imathiriyeli engagugiyo okanye iivalvu eziyilwe ngokukodwa, ezinjengeevalufa ezipinki.

2.2 Umsebenzi wevalve

Ulawulo lokutshintsha: Ngezihlandlo apho kufuneka kuphela umsebenzi wokutshintsha, iivalvu zebhola okanyeiivalve zesangolukhetho oluqhelekileyo.

Ulawulo lokuHamba: Xa ulawulo lokuhamba oluchanekileyo lufuneka, iivalvu zeglowubhu okanye iivalvu zolawulo zifanelekile ngakumbi.

Uthintelo lokubuyela ngasemva:Khangela iivalvuzisetyenziselwa ukuthintela ukubuya kolwelo.

I-Shunt okanye Ukudibanisa: Ivalve yeendlela ezintathu okanye i-valve yeendlela ezininzi isetyenziselwa ukuphambukisa okanye ukudibanisa.

2.3 Ubungakanani bevalve

Ubungakanani bombhobho: Ubungakanani bevalvu kufuneka bungqinelane nobungakanani bombhobho ukuqinisekisa ukudlula okugudileyo kwamanzi. Iimfuno zokuhamba: Ubungakanani be-valve budinga ukuhlangabezana neemfuno zokuhamba kwenkqubo, kwaye inkulu kakhulu okanye encinci iya kuchaphazela ukusebenza kakuhle. Isithuba soFakelo: Imiqobo yendawo yokufakela inokuchaphazela ukhetho lobungakanani bevalvu.

2.4 Ilahleko yokumelana nevalvu

Ukwehla koxinzelelo: I-valve kufuneka inciphise ukuhla koxinzelelo ukuze ugweme ukuchaphazela ukusebenza kakuhle kwenkqubo.

Uyilo lwesitishi esihambayo: Iivalvu ezigcweleyo, ezinjengeevalve zebhola ezigcweleyo, zinciphisa ilahleko yokutsala.

Uhlobo lweValve: Ezinye iivalve, ezinjengeevalve zebhabhathane, zinokuxhathisa okuncinci xa zivulwa, zizenza zilungele iimeko zokuhla koxinzelelo oluphantsi.

2.5 Ubushushu bokusebenza kunye noxinzelelo lokusebenza lwevalve

Uluhlu lobushushu: Izinto zeValve kufuneka zilungelelanise ubushushu be-fluid, kunye nezinto ezinokumelana nobushushu kufuneka zikhethwe kwindawo ephezulu okanye ephantsi yobushushu.

Inqanaba loxinzelelo: I-valve kufuneka ikwazi ukumelana noxinzelelo oluphezulu lomsebenzi wenkqubo, kwaye inkqubo yoxinzelelo oluphezulu kufuneka ikhethe i-valve enezinga eliphezulu loxinzelelo.

Impembelelo edibeneyo yokushisa kunye noxinzelelo: Ukushisa okuphezulu kunye neendawo eziphakamileyo zoxinzelelo zifuna ukuqwalaselwa ngokukodwa kwamandla wezinto eziphathekayo kunye neempawu zokutywinwa.

2.6 Izinto zevalvu

Ukuchasana nokuCorrosion: Khetha izixhobo ezifanelekileyo ezisekwe kwi-corrosiveness fluid, njengentsimbi engenasici, iHastelloy, njl.

Amandla omatshini: Isixhobo sevalvu kufuneka sibe namandla aneleyo omatshini ukumelana noxinzelelo lokusebenza.

Ukuguquguquka kobushushu: Isixhobo kufuneka siqhelane nobushushu bokusebenza, indawo yobushushu obuphezulu ifuna izinto ezikwaziyo ukumelana nobushushu, kwaye indawo ephantsi yobushushu ifuna izinto ezikwaziyo ukumelana nokubanda.

Uqoqosho: Kwisiseko sokuhlangabezana neemfuno zokusebenza, khetha izixhobo ezinoqoqosho olungcono.