Product working principle and use: Q41N Forged steel flange type high pressure ball valve closure ball around the center line of the valve body for
Zhejiang Guoji Fluid Control Co., LTD
High temperature and high pressure power station valve, hard seal butterfly valve, hard seal ball valve, knife gate valve, water conservancy valve, blind plate valve, regulating valve
Product working principle and use: Q41N Forged steel flange type high pressure ball valve closure ball around the center line of the valve body for