I-PVC butterfly valve iyi-valve ye-butterfly yepulasitiki. I-valve ye-butterfly yepulasitiki inokumelana nokugqwala okuqinile, uhla olubanzi lwezicelo, ukumelana nokugqokwa, ukuqaqa okulula nokugcinwa kalula. Ilungele amanzi, umoya, uwoyela kanye noketshezi lwamakhemikhali abolayo. Umzimba we-valve wakha...
Funda kabanzi