Solvent Cement Double Union Ball Valves waxay leeyihiin laba daraf oo ururka si ay waalka laga soo dejiyo dhuumaha dib u hagaajinta ama dayactirka. Valves-yadu waxay diyaar u yihiin sidii PVC Double Union Ball Valves oo leh dunta dunta iyo dareeraha ku dhammaada cabbirrada Imperial.

Fiiladayada PVC waxay bixiyaan caabbinta kiimikooyin badan oo kala duwan, marka lagu daro bixinta saameyn sare iyo xoog cufan oo sarreeya. Si sahal ah ayaa la isugu keenay iyada oo si fiican loo xidho dhammaan shuruudaha, valvayaashayada kubbadda midowga laba-geesoodka ah waxaa loo isticmaali karaa codsiyo kala duwan waxayna ku shaqeeyaan cadaadis shaqo oo ilaa 16 bar ah, oo ku xidhan cabbirka.