Vharuvhu yeshavishavi rudzi rwevharuvhu inotenderera kwekota inodzora kufamba kwechigadzirwa mupaipi.
Mavharuvhu eshavishaviZvinowanzo rongwa mumhando mbiri: lug-style uye wafer-style. Izvi zvikamu zvemakanika hazvichinjiki uye zvine zvakanakira zvakasiyana uye mashandisirwo azvo. Gwaro rinotevera rinotsanangura mutsauko uripo pakati pemhando mbiri dzemavharuvhu eshavishavi uye masarudzo evharuvhu yakakodzera zvaunoda.
Vharuvhu yeLug-Style Butterfly
Mavharuvhu eshavishavi akaita seLug anowanzo gadzirwa nesimbi yakaita se ductile iron kana simbi. Ane machira akaputirwa neshinda akaiswa pama flange evharuvhu kuti akwanise kubatanidza mabhaudhi.Mavharuvhu emhando yeLug butterfly akakodzera kushandiswa pakupera kwemutsara asi flange isina jira inokurudzirwa nguva dzose.
Vharuvhu yeButterfly-Style Wafer
Mavharuvhu mazhinji emhando yewafer butterfly akagadzirwa nemaburi mana anoenderana nepombi yakabatana. Vharuvhu iyi yakagadzirirwa kunamatira pakati pemaflange maviri pabasa rako repaipi. Mavharuvhu mazhinji ewafer butterfly anoenderana nezvinodiwa zveflange. Chigaro chevharuvhu cherabha kana cheEPDM chinoita kuti pave nechisimbiso chakasimba pakati pevharuvhu nekubatana kweflange.Kusiyana nemavharuvhu eshavishavi akaita semabhuruvhu, mavharuvhu eshavishavi akaita sewafer haagone kushandiswa semagumo emapaipi kana sevhisi yekupedzisira kwemutsetse. Mutsetse wese unofanirwa kuvharwa kana divi rega rega revharuvhu richida kugadziriswa.
Nguva yekutumira: Chivabvu-18-2022
