I-valve yeGlobe yeDIN-EN yoMzi-mveliso oPhakamileyo eChina
Yintoni ivalvu yeglobe?
Ivalvu yeglobeYenzelwe kwaye yenziwa ngokwemigangatho yangaphambili yaseJamani, iDIN kunye nemigangatho yaseYurophu yanamhlanje i-EN13709.Isetyenziswa kakhulu kumazwe akwiManyano yaseYurophu.
yivalvu yayo yokuvala ehamba ngomgca esetyenziselwa ukuqala, ukumisa okanye ukulawula ukuhamba kusetyenziswa ilungu lokuvala elibizwa ngokuba yidiski. Ukuvulwa kwesihlalo kutshintsha ngokulinganayo ngokuhamba kwediski efanelekileyo kwimisebenzi ebandakanya ukulawulwa kokuhamba. Iivalvu zeDIN-EN Globe zezona zifanelekileyo kwaye zisetyenziswa kakhulu ukulawula okanye ukumisa ukuhamba kolwelo okanye igesi ngepayipi ukuze kuthintelwe kwaye kulawulwe ukuhamba kolwelo kwaye zihlala zisetyenziswa kwiipayipi ezincinci.
iIivalvu zeglobeingasetyenziselwa neenjongo zokuqhobosha. Iivalvu ezininzi ezihlala umntu omnye zisebenzisa ulwakhiwo lwekheji okanye uhlobo lwe-retainer ukugcina iringi yesihlalo, ukubonelela ngesikhokelo seplagi yevalvu, kunye nokubonelela ngeendlela zokuseka iimpawu ezithile zokuhamba kwevalvu. Ingatshintshwa ngokulula ngokutshintsha iindawo zokusika ukuze kutshintshwe uphawu lokuhamba okanye kubonelelwe ngokuhamba komthamo ophantsi, ukuncitshiswa kwengxolo, okanye ukunciphisa okanye ukususa i-cavitation.
ngokwesiqhelo kukho iipateni ezintathu eziphambili zomzimba okanye uyiloIivalvu zeglobe:
- 1). Ipateni eQhelekileyo (kwakhona njengeTee Pattern okanye uT – Ipateni okanye uZ – Ipateni)
- 2) .Iphethini ye-Angle
- 3). Ipateni ye-Oblique (ekwaziwa ngokuba yiWye Pattern okanye iY – Pattern)
Iimpawu eziphambili zevalvu yeglobe?
Ipateni esemgangathweni (ipateni ethe tye)
Ipateni ye-engile
Ipateni eqhelekileyo enetywina leentsimbi
- 1). Umgama omfutshane wokuhamba kwediski (stroke) phakathi kweendawo ezivulekileyo nezivaliweyo,Iivalvu zeglobhu zeDIN-ENzilungele ukuba ivalvu kufuneka ivulwe kwaye ivalwe rhoqo;
- 2) .Izakhono ezilungileyo zokutywina
- 3). Kukho uluhlu olubanzi lwezakhono njengoko zifumaneka kwipateni esemgangathweni (ipateni eyomeleleyo), ipateni ye-Angle, kunye nepateni ye-Wye (ipateni ye-Y).
- 4). Ivalvu yeglobhu ye-DIN-EN ingasetyenziswa njengevalvu ye-SDNR, ivalvu yokujonga iglobe ngokutshintsha uyilo kancinci.
- 5). Kulula ukulungisa nokulungisa izihlalo, ngeenjongo ezahlukeneyo.
Ukulawula uyilo lweediski
Ukulinganisela uyilo lwediski, i-DN200 nangaphezulu
Iinkcukacha zevalvu yeglobe?
Iinkcukacha zevalvu yeGlobe
| Uyilo kunye noMveliso | BS1873, DIN3356, EN13709 |
| Ububanzi obuqhelekileyo (DN) | DN15-DN400 |
| Uvavanyo loxinzelelo (PN) | PN16-PN40 |
| Ubuso ngobuso | I-DIN3202,BS EN558-1 |
| Ubukhulu beFlange | I-BS EN1092-1, GOST 12815 |
| Ubukhulu bokuwelda kwempundu | DIN3239,EN12627 |
| Uvavanyo kunye nokuhlolwa | I-DIN3230,BS EN12266 |
| Umzimba | Intsimbi yekhabhoni, Intsimbi engatyiwayo, Intsimbi ye-alloy |
| Isihlalo | intsimbi engatyiwayo, intsimbi ye-alloy, i-Stellite coating. |
| Umsebenzi | ivili lesandla, igiya lesandla, i-actuator yombane, i-actuator yomoya |
| Ipateni yomzimba | Ipateni eqhelekileyo (iphethini ka-T okanye uhlobo luka-Z), ipateni ye-Angle, ipateni ka-Y |
Umboniso weMveliso:
Usetyenziso lweevalvu zeglobhu
Ivalvu yeGlobe isetyenziswa kakhulu kwiuluhlu olubanzi lweenkonzo, zombini iinkonzo zoxinzelelo oluphantsi kunye nolwelo oluphezulu.
- 1). Ulwelo: Amanzi, umphunga, umoya, ipetroliyam ekrwada kunye neemveliso zepetroliyam, igesi yendalo, igesi econdensate, izisombululo zobuchwepheshe, ioksijini, iigesi ezingamanzi nezingenalo ugonyamelo
- 2). Iinkqubo zamanzi ezipholileyo ezifuna ukwahlulwahlulwa kunye nokulawulwa kokuhamba kwamanzi.
- 3). Iiventila ezikwindawo ephezulu kunye needreyini ezikwindawo ephantsi.
- 4). Ii-vents kunye ne-drain ze-boiler, iinkonzo zomphunga, ii-vents eziphambili ze-steam kunye ne-drain, kunye ne-heater drains.
