American Standard Forged Ball Valve Fire Resistant Construction Q41F forged steel ball valve adopts standard 1. Design and manufacturing according to ...
American Standard Forged Steel Fixed Ball Valve Fire Anti Static Standard specification for forged ball valve products Design and manufacture standard...
Full Diameter Full Welded Ball Valve Carbon Steel, Stainless Steel The whole structure of the all-diameter all-welded ball valve adopts the all-welded ...
French All-Welded Ball Valve stainless steel material Product Overview: Fully welded ball valve is widely used in urban gas, urban heating, petrochemi...