Ivalvu yeplagi yesitulo esithambileyo seZikhundla ezikumgangatho ophezulu Umvelisi weplagi ethambileyo yoMzi-mveliso Umthengisi wefektri waseTshayina Umvelisi
Yintoni ivalvu yeplagi yesitulo esithambileyo?
Ivalvu yeplagi yesitulo esithambileyo Iqulathe umngxuma ophakathi kweplagi ecaleni kwe-axis yayo. Le mngxuma ivaliwe ezantsi kwaye ifakwe i-sealant-injection fitting phezulu. I-sealant ifakwa kwi-cavity, kwaye i-check valve engaphantsi kwe-injection fitting ithintela i-sealant ukuba ingahambi ngendlela echaseneyo. I-sealant iphuma kwi-cavity esembindini ngemingxunya ye-radial iye kwi-lubricant grooves edlula kubude bomphezulu wesihlalo seplagi.
Ukuze kuncitshiswe i-torque ye-valve ze-plug ezityibiliziweyo zesihlalo sesinyithi,Ivalvu yeplagi yesitulo esithambileyoziqanjwe kwaye zisetyenziswa kakhulu. Ukongeza kwiimpawu zeevalvu zeplagi ezixutywe ngeoyile eqhelekileyo, iivalvu zeplagi ezixineneyo zoxinzelelo nazo zineempawu ezilandelayo:
- 1. Xa ivalvu ivuliwe, uxinzelelo kwigumbi elisezantsi lomzimba wevalvu lulinganiswa noxinzelelo oluphakathi kumbhobho. Ioyile yokutywina enoxinzelelo oluphezulu kwigumbi eliphezulu ibangela ukuba umzimba weplagi utyhalelwe ezantsi, kwaye kuvela umsantsa omncinci phakathi kwekhowuni yeplagi kunye nomphezulu wokutywina womzimba wevalvu, i-torque yomzimba weplagi ejikelezayo iyancipha ngempumelelo.
- 2. Kwiimeko zobushushu obuphezulu, ukwanda kobushushu kweplagi kunokufunxwa kukunyuka nokuwa kwayo. Ivalvu yeplagi ethanjiswe ngeoyile, nangona ukusetyenziswa kwe-oyile ethanjiswe ngeoyile kunokunciphisa ngokufanelekileyo i-torque yokuvula nokuvala, kodwa kunokubangela ungcoliseko lwe-medium. Ke ngoko, i-oyile ethanjiswe ngeoyile ikhethelwe iimeko zokusebenza zokwenyani.
Iimpawu eziphambili zevalvu yeplagi yesitulo esithambileyo
Iimpawu kunye neenzuzo zeIvalvu yeplagi yesitulo esithambileyo
- 1. Le mveliso inesakhiwo esifanelekileyo, uphawu oluthembekileyo, ukusebenza kakuhle kunye nenkangeleko entle.
- 2.Inesakhiwo soxinzelelo olulinganiselayo oluguquguqukayo kunye nokusebenza kokukhanya nokuvula.
- 3. Kubekwa umngxuma weoyile phakathi komzimba wevalvu nomphezulu wesitywino, onokufaka igrisi yesitywino ukwandisa amandla esitywino.
Iinkcukacha zobugcisa zevalvu yeplagi yesitulo esithambileyo
Iinkcukacha zeIvalvu yeplagi yesitulo esithambileyo.
| Uyilo kunye nokuveliswa | I-API 599, i-API 6D |
| Ubungakanani obuqhelekileyo | I-NPS 1/2” ~ 24” |
| Uvavanyo loxinzelelo | Iklasi ye-150LB ~ 1500LB |
| Uqhagamshelo lokuphela | I-Flange (RF, FF, RTJ), I-Butt Welded (BW), I-Socket Welded (SW) |
| Uvavanyo lobushushu boxinzelelo | I-ASME B16.34 |
| Ubukhulu bobuso ngobuso | I-ASME B16.10 |
| Ubukhulu beFlange | I-ASME B16.5 |
| Ukuwelda ngeempundu | I-ASME B16.25 |
Ukusetyenziswa kwevalvu yeplagi yesitulo esithambileyo
Ivalvu yeplagi yesitulo esithambileyoIsetyenziswa kakhulu kumashishini ahlukeneyo afana nepetroleum, imboni yeekhemikhali, ikhemesti, isichumisi seekhemikhali, imboni yamandla njl. Isetyenziswa phantsi koxinzelelo oluqhelekileyo lwe-CLASS150-1500LBS, kwaye isebenza kumaqondo obushushu angama--40~450°C, Amanzi, iGesi, Umphunga kunye neOyile njl.
