Munguva pfupi yapfuura, vharuvhu yedu yeDN200, DN300 butterfly valve yakapedza basa rekugadzira, uye ikozvino boka iri remavharuvhu eshavishavi ane flangedziri kurongedzwa nekurongedzwa, uye dzichatumirwa kuThailand mumazuva mashoma anotevera kuti dzibatsire pabasa rekuvaka remuno.

Vharuvhu yemabhururu inofambiswa nemaoko chishandiso chakakosha chinoshandiswa zvakanyanya mumhando dzakasiyana dzemafetering uye air conditioning systems. Ine hunhu hwechimiro chidiki, huremu hushoma, nyore kuisa, nezvimwewo, uye inogona kudzora nekudzora kuyerera kwegasi zvinobudirira.

Chekutanga, dhizaini yevharuvhu yemapuruguru iri nyore kushandisa uye iri nyore kushandisa nekugadzirisa. Dhizaini yayo yakasiyana yemavhiri eruoko inobvumira vashandisi kuchinja nekugadzirisa mashandiro nyore nyore pasina kushandisa chero maturusi kana hunyanzvi hwakakosha. Pamusoro pezvo, vharuvhu inoshandisa zvinhu zvemhando yepamusoro uye maitiro ekugadzira kuti ive nechokwadi chekuti inogara kwenguva refu uye yakavimbika.

Chechipiri, vharuvhu yeshavishavi yesimbi isina ngura ine mashandiro akanaka ekuvharira uye kugadzirisa kwakarurama. Kushandisa kwayo mukati mezvinhu zvakakosha zvekuvharira uye dhizaini, kunogona kudzivirira kubuda kwegasi zvinobudirira, uye kuve nechokwadi chekuti kuyerera kwegasi kwakaringana uye kwakafanana. Panguva imwe chete, vharuvhu inewo akasiyana-siyana ekugadzirisa, ayo anogona kugadziriswa nemazvo zvichienderana nekudiwa chaiko kwekuyerera nekumanikidzwa.

Pamusoro pezvo, vharuvhu yemhando ye "price butterfly" inewo "corrosion" yakanaka uye inodzivirira kupisa kwakanyanya. Inoshandisa machira akakosha uye zvinhu zvakasiyana-siyana mukati mayo, inogona kudzivirira makemikari akasiyana-siyana uye kukanganiswa kwenzvimbo inopisa zvakanyanya, inowedzera hupenyu hwebasa uye kuvimbika kwevharuvhu.

Pakupedzisira,vharuvhu yeshavishavi Chinaine mhando dzakasiyana-siyana dzekushandiswa. Inogona kushandiswa kune akasiyana-siyana masisitimu ekufema uye ekutonhodza mhepo, kusanganisira dzimba dzekugara, zvivakwa zvemabhizinesi, mafekitori emaindasitiri, nezvimwewo. Ingave iri muchirongwa chitsva chekuvaka kana mukugadzirisa sisitimu iripo, mavharuvhu ebhururu dn200 anopa mhinduro inoshanda uye yakavimbika.