Ivalve yebhola ezenzekelayo sisixhobo esinokukunceda ukulawula ulwelo lula.Ifumaneka kwiiivalvu zebhola ezizisebenzelayo zombanekwayeiivalvu zebhola ezizenzekelayo zepneumatic.Isetyenziswe ngokubanzi kwi-remineralization, inkqubo yokususwa kweoli, ukuthambisa izityalo kunye nokunye.

I-COVNA yingcali yeevalvu zebhola ezizenzekelayo kwaye sidala kwaye sibonelela ngazo zonke iintlobo zeevalvu zebhola ezizenzekelayo kwiprojekthi yakho.Iminyaka engama-22 yamava kushishino lwevalvu isinceda sazi ivalve kunye nemarker.Sikholelwa ukuba sinokukunceda ukhethe ivalve efanelekileyo kwaye unikeze isisombululo esinexabiso elikhulu lemali kuwe.sales@covnavalve.com

Yasekwa ngo-1900, iZurn ngumvelisi ohamba phambili wehlabathi weevalvu, iimveliso zemibhobho kunye nezinye iimveliso zamashishini.I-Zurn izimisele ukusombulula izisombululo zamanzi kunye nolwelo kwiikontraka, abanini bezakhiwo kunye nabasebenzisi bokugqibela.IZurn okwangoku inamaziko okuvelisa amaninzi kunye namaziko okusasaza kwihlabathi liphela, anokubonelela ngeenkonzo ezikhawulezayo nezisebenzayo kubathengi baseMntla Melika.

I-Oatey yasekwa ngo-1916. Phantse i-100+ leminyaka, i-Oatey ibibonelela ngeevalvu ezithembekileyo nezikumgangatho ophezulu, imibhobho kunye nezinto ezifakelweyo zokuhlala, zorhwebo kunye nezoshishino.U-Oatey uzibophelele ekuphuculeni nasekuphuculeni umgangatho wokuphila kwabantu ngeemveliso kunye neenkonzo zobungcali.I-Oatey inenkqubo ebanzi yokusasaza ukubonelela ngezisombululo zobungcali kwiikontraka, abakhi kunye neenjineli kumashishini ahlukeneyo.

I-Viega yasekwa kwi-1899 kwaye ikomkhulu eJamani.Okwangoku, iimveliso zeViega ziveliswa kwiindawo ezi-6 zamazwe ngamazwe kwaye zisasazwa kwihlabathi jikelele.I-Viega ineqela lobuchwephesha lobuchwephesha, elijolise kwinkonzo ekuboneleleni ngezisombululo zodidi lokuqala lwezobunjineli, abaqulunqi kunye nabasasazi.Ukususela kulwazi lwemveliso ukuya kwinkxaso yokuthengisa emva kokuthengisa, iqela leViega liya kuyithatha ngokungathí sina.

I-Apollo Valves yasekwa kwi-1975 kwaye iyinxalenye yeQela le-Aalberts.Abakwa-Aalberts bazibophelele ekuboneleleni abathengi ngeenkqubo ezidityanisiweyo zemibhobho, iimveliso zamashishini kunye nezincedisi ukunceda abathengi bagqibe umsebenzi wabo ngokulula nangokufanelekileyo.
I-Apollo Iivalvu ezizenzekelayo zoluhlu lweemveliso zebhola zibandakanya iivalve zebhola zobhedu, iivalve zebhola zensimbi engenasici, iivalvu zebhola zentsimbi yekhabhoni njalo njalo.

Kwiminyaka emininzi, i-Neles ibonelele ngeevalvu zobuchwephesha kunye nezisombululo zeoyile kunye negesi, iphepha kunye ne-pulp, ibhayoloji, ezonyango kunye namayeza, kunye namashishini okutya.I-Neles ineengcali zobuchwephesha ezingama-2950 ezinolwazi olomeleleyo lwemveliso kunye nolwazi lweshishini ukunceda abathengi bagqibe umsebenzi wabo ngokuthembekileyo nangempumelelo.