Made of pvc, flexible, firmer against vehicle running over. mainly used on the crossing of roadways, maintainance of freeways, residental quarters, dangerous area, building sites and so on....
Double Flange Concentric Type Butterfly Valveface To Face Din 3202 F16flange Din Pn10/16body Di Ggg40, Ss304/ssdisc Di /ss304/ss316stem Ss420seat Epdm ...