Hua Overview Manual flanged ball valve is mostly used to cut off or put through the medium, can also be used for fluid regulation and control.Compared with other valves, ball valves have the following advantages: 1, he iti te parenga o te wai, ko te paera poroporo tetahi o te iti rawa o te wai atete i roto i nga takirere katoa, ahakoa he iti te whanui o te porowhita porowhita, he iti noa te aukati wai. 2, he tere me te watea te whakawhiti, i te mea ka huri te kakau ki te 90°, ka oti te paera poi...
Whakarāpopototanga He nui te ōwehenga o te tapahanga V me te riterite o te ōrau rerenga rere, e mohio ana ki te mana o te pehanga me te rere. Hanganga ngawari, iti te rōrahi, te taumaha marama, te hongere rere maeneene. Ka whakaratohia he hanganga utu aunoa nati nui elastic kia pai ai te whakahaere i te mata hiri o te nohoanga me te mono me te mohio ki te mahi hiri pai. Ka taea e te mono me te hanganga nohoanga te whakaiti i te kakahu. Ko te tapahanga V ka puta te kaha kutikuti poro i te nohoanga t...