Umahluko Phakathi kweValve yeNsimbi eQhekelweyo kunye neValve yeNsimbi eQhekeziweyo

I. Inkqubo yoMveliso

I-Forged Steel Check Valve eyenziwa yiTshayina:

Yenziwe ngenkqubo yokubumba, i-billet yentsimbi iyatshiswa kwaye uxinzelelo (njengokubethelela, ukukhupha) lusetyenziswa ukuyibumba, kwaye emva koko kwenziwa ukucubungula ngoomatshini.

Inkqubo yokubumba yenza iinkozo zesinyithi zicoceke kwaye isakhiwo sibe xineneyo, ngaphandle kweziphene ezifana neembobo kunye nezinto ezifakwe kwi-slag.

Ivalvu yentsimbi eyenziwe ngentsimbi:

Yenziwe ngenkqubo yokubumba, intsimbi enyibilikisiweyo igalelwa kwisikhunta ukuze iphole kwaye ibumbeke, ize icutshungulwe.

Inkqubo yokuphosa inokubangela iingxaki ezifana neembobo, imingxunya yokuncibilika okanye ulwakhiwo olungalinganiyo, ekufuneka luphuculwe ngokucubungula okulandelayo.

II. Iipropati zezinto ezibonakalayo

Ivalvu yentsimbi eyenziweyo:

Amandla aphezulu: Ukubumba kususa iziphene zangaphakathi, kwaye amandla oomatshini (ukuxhathisa ukuxinana kunye nokumelana nempembelelo) angcono kunokokubumba.

Ukumelana noxinzelelo okungcono: kufanelekile kwiimeko zoxinzelelo oluphezulu, ubushushu obuphezulu okanye iimeko zokusebenza ezigqithisileyo.

Ukuvala okungcono: Isinyithi sinobunzima obukhulu kwaye akulula ukuvuza.

Ivalvu yentsimbi eyenziwe ngentsimbi:

Ukuqina okuphantsi: Ulwakhiwo lwesamente lunokuba neziphene ezincinci, nto leyo eyenza ukuba lube semngciphekweni wokuqhekeka xa luxinezelekile kakhulu.

Ixabiso eliphantsi: lifanelekile ekuveliseni ngobuninzi iivalvu ezimile okwentsonkothileyo okanye ezinkulu.

III. Ulwakhiwo kunye nobunzima

Ivalvu yentsimbi eyenziweyo:

Ulwakhiwo lulula, luyilwe ngokulinganayo okanye luncinci. Ubunzima obukhaphukhaphu (malunga ne-20% ukuya kwi-30% bukhaphukhaphu kuneevalvu zentsimbi ezibunjiweyo ezineenkcazo ezifanayo).

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Izakhiwo ezintsonkothileyo (ezifana nemijelo yokuhambahamba enemilo ekhethekileyo, imizimba enemingxuma emininzi) zinokwenziwa. Ubunzima bukhulu kwaye ubukhulu bodonga buhlala bukhulu ukuze kulungiswe ukungabikho kwamandla.

IV. Iimeko zokusebenza ezisebenzayo

Ivalvu yentsimbi eyenziweyo:

Iinkqubo zoxinzelelo oluphezulu kunye nobushushu obuphezulu: ezifana nezikhululo zamandla, amashishini e-petrochemical, kunye nemibhobho yomphunga enoxinzelelo oluphezulu.

Indawo enobushushu obuphantsi: njengeenkqubo zegesi yendalo enyibilikisiweyo (LNG), intsimbi eyenziweyo inokuqina okungcono kobushushu obuphantsi.

Imithombo yeendaba enobungozi: ulwelo olunobungozi, oluvuthayo noluqhumayo (ngenxa yokuthembeka okuphezulu).

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Iimeko zokusebenza eziqhelekileyo zoxinzelelo oluphakathi noluphantsi: ezifana nokucocwa kwamanzi, imibhobho yemizi-mveliso ngokubanzi, kunye nomphunga ophantsi koxinzelelo.

Imidiya edlakazelayo: Ukumelana nokudlakalela kunokuphuculwa ngokongeza izinto ze-alloy (ezifana neevalvu zentsimbi engagqwaliyo).

Iivalvu ezinkulu ezinobubanzi: Xa inkqubo yokubumba ilinganiselwe, ukubumba kufanelekile ngakumbi kwimizimba yeevalvu ezinkulu.

V. Ixesha leendleko kunye nokuhanjiswa

Iivalvu zentsimbi ezenziwe ngobuchule:Iindleko eziphezulu zezinto zokwenza izinto, utyalo-mali olukhulu kwiidayi zokubumba nezixhobo. Umjikelo wemveliso ode, ofanelekileyo kwiibhetshi ezincinci okanye kwiimfuno ezisemgangathweni ophezulu. Amaxabiso eeyunithi adla ngokuba phezulu.

Iivalvu zentsimbi ezenziwe ngentsimbi:Ixabiso lokubumba liphantsi kakhulu, nto leyo eyenza ukuba zilungele ukuveliswa ngobuninzi. Umjikelo wokuvelisa umfutshane, kwaye ixabiso likhuphisana ngakumbi.

VI. Imigangatho Eqhelekileyo kunye neempawu

Ivalvu yokujonga eyenziwe eTshayina:

Iinkcukacha: I-ASTM A105 (intsimbi yekhabhoni), i-A182 (intsimbi engagqwaliyo), njl. Uphawu ludla ngokuquka igama elithi "Forged".

Ivalvu yeSango leSinyithi:

Iinkcukacha: I-ASTM A216 (intsimbi yekhabhoni), i-A351 (intsimbi engagqwaliyo), njl. Uphawu ludla ngokuquka igama elithi “Cast”.