Iivalve zesango zensimbi ezenziweyo zisetyenziswa ngokuqhelekileyo kwizicelo zoshishino ngenxa yokwakhiwa kwazo okuqinileyo kunye nokukwazi ukumelana noxinzelelo oluphezulu kunye neemeko zokushisa. Zihlala zikhethwa kwizicelo kwishishini leoli kunye negesi, izityalo zamandla, kunye nezityalo zepetrochemical. Nazi ezinye iimpawu ezingundoqo kunye noncedo lweevalvu zesango lentsimbi emkhiweyo:Zomelele kwaye ziGqibele:Iivalvu zesango zentsimbi ezibunjiweyo zenziwa kusetyenziswa inkqubo yokubunjwa, ezenza zomelele ngendlela engaqhelekanga kwaye zimelane noxinzelelo lomatshini. Oku kubenza bafanelekele iindawo ezifunayo apho ukuqina kubaluleke kakhulu.Uxinzelelo oluphezulu kunye nokuchasana kobushushu: Ezi zivalo zenzelwe ukujongana noxinzelelo oluphezulu kunye nobushushu obuphezulu, ukubonelela ngesisombululo esithembekileyo sokulawula ukuhamba kwiimeko zokusebenza ezinzima. iimpawu zokutywina ezilungileyo, ukuthintela ngokufanelekileyo ukuvuza xa i-valve ivaliwe. Oku kubalulekile ekugcineni ukunyaniseka kwenkqubo kunye nokuthintela ukulahlekelwa kwamanzi.Ilahleko yoxinzelelo oluncinci: Xa ivulekile ngokupheleleyo, iivalve zesango zentsimbi ezibunjiweyo zinika ilahleko encinci yoxinzelelo, evumela ukulawulwa kokuhamba okusebenzayo kunye nokunciphisa ukusetyenziswa kwamandla. , ukwenza ukuba kube yinto eguquguqukayo kwizicelo ezahlukeneyo zemizi-mveliso.Ukuthotyelwa kweMigangatho: Iivalve zesango zentsimbi ezibunjiweyo zihlala ziyilwe kwaye zenziwe ngokuhambelana nemigangatho yoshishino, ziqinisekisa ukuthembeka kwazo. kunye nokusebenza okukhuselekileyo.Kulonke, iivalve zesango zentsimbi ezibunjiweyo zixabiswa ngamandla abo, ukuqina, uxinzelelo oluphezulu kunye nokumelana nobushushu, iipropathi ezibalaseleyo zokutywina, kunye nokuguquguquka, okwenza kube yinto ekhethwayo ekufuneni izicwangciso zoshishino.
1.Isakhiwo silula kune-valve yesango, kwaye kulungele ngakumbi ukuvelisa nokugcina.
2.Indawo yokutywina ayilula ukunxiba kunye nokukrwela, kwaye ukusebenza kokutywina kulungile. Akukho kutyibilika kwesihlobo phakathi kwediski yevalve kunye nomgangatho wokutywina womzimba wevalvu xa uvula kwaye uvala, ngoko ke ukunxitywa kunye nokukrweleka akubalulekanga, ukusebenza kokutywina kulungile, kwaye ubomi benkonzo bude.
3.Xa uvula kwaye uvala, i-stroke ye-disc incinci, ngoko ke ukuphakama kwe-valve yokumisa kuncinci kune-valve yesango, kodwa ubude besakhiwo bude kunobude be-valve yesango.
4.I-torque yokuvula kunye nokuvala inkulu, ukuvula nokuvala kunzima, kwaye ixesha lokuvula kunye nokuvala lide.
I-5.Ukuxhathisa ulwelo kukhulu, kuba umjelo ophakathi kumzimba we-valve une-tortuous, ukuxhatshazwa kwamanzi kukhulu, kwaye ukusetyenziswa kwamandla kukhulu.
6.Ulwalathiso lokuhamba okuphakathi Xa uxinzelelo lwe-PN ≤ 16MPa, luthatha ngokubanzi ukuhamba phambili, kwaye i-medium ihamba phezulu ukusuka ezantsi kwe-valve disc; xa uxinzelelo lwe-PN ≥ 20MPa, ngokuqhelekileyo luthatha ukuhamba kwe-counter, kwaye i-medium flowing ezantsi ukusuka phezulu kwi-disc valve. Ukwandisa ukusebenza kwesitywina. Xa isetyenziswa, i-valve medium yeglowubhu inokuqukuqela kwicala elinye kuphela, kwaye indlela yokuhamba ayinakuguqulwa.
7.I-disc idla ngokukhukuliseka xa ivuleke ngokupheleleyo.
Ngethuba lokuvula kunye nokuvala i-valve yeglobhu yentsimbi ekhandiweyo, ngenxa yokuba i-friction phakathi kwe-disc kunye ne-surface yokutywina ye-valve yomzimba incinci kune-valve yesango, ayigugi.
Ukuvula okanye ukuvala i-stroke ye-valve stem ifutshane, kwaye inomsebenzi othembekileyo wokusikwa, kwaye ngenxa yokuba utshintsho lwe-valve seat port lulingana ne-stroke ye-valve disc, ilungele kakhulu ukulungiswa. yesantya sokuhamba. Ke ngoko, olu hlobo lwevalve lufanelekile kakhulu ukunqunyulwa okanye ukulawulwa kunye ne-throttling.
Imveliso | Forged Steel Gate Valve Flanged End |
Idayamitha yegama | NPS 1/2”, 3/4”, 1”, 1 1/2”, 1 3/4” 2”, 3”, 4” |
Idayamitha yegama | Iklasi 600, 900, 1500, 2500. |
Phelisa uQhagamshelwano | Integral flange, Welded flange |
Ukusebenza | Ukubamba ivili, i-Pneumatic Actuator, i-Actuator yoMbane, i-Bare Stem |
Izinto eziphathekayo | A105, A350 LF2, A182 F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze kunye nezinye i-alloy ekhethekileyo. |
Ulwakhiwo | Ngaphandle kweSikruru kunye neYoke (OS&Y), iBonnet eBolted, iBonnet eWelded okanye iBonnet yeTyhini yoxinzelelo |
Uyilo kunye noMvelisi | API 602, ASME B16.34 |
Ubuso ngobuso | Umgangatho womvelisi |
Phelisa uQhagamshelwano | I-SW (ASME B16.11) |
I-BW (ASME B16.25) | |
I-NPT (ASME B1.20.1) | |
I-RF, RTJ (ASME B16.5) | |
Uvavanyo kunye noHlolo | API 598 |
Okunye | NACE MR-0175, NACE MR-0103, ISO 15848 |
Iyafumaneka nge | PT, UT, RT,MT. |
Njengomenzi wevalvu yentsimbi ebunjiweyo kunye nomthengisi ngaphandle, sithembisa ukubonelela abathengi ngenkonzo ekumgangatho ophezulu emva kokuthengisa, kubandakanya oku kulandelayo:
1.Ukubonelela ngesikhokelo sokusetyenziswa kwemveliso kunye neengcebiso zokugcina.
I-2.Ukusilela okubangelwa iingxaki zomgangatho wemveliso, sithembisa ukubonelela ngenkxaso yobugcisa kunye nokulungisa iingxaki ngexesha elifutshane.
3.Ngaphandle komonakalo obangelwa kukusetyenziswa okuqhelekileyo, sinikezela ngokulungiswa kwamahhala kunye neenkonzo zokutshintshwa.
I-4.Sithembisa ukuphendula ngokukhawuleza kwiimfuno zenkonzo yabathengi ngexesha lewaranti yemveliso.
5. Sinikezela ngenkxaso yobugcisa bexesha elide, ukubonisana nge-intanethi kunye neenkonzo zoqeqesho. Injongo yethu kukubonelela abathengi ngeyona nkonzo ingcono yamava kwaye senze amava abathengi abe mnandi kwaye abe lula.