A safety valve is used to automatically release material in order to change a system’s temperature or internal pressure. These mechanisms are very ......
Flange resilient butterfly valve is a kind of soft sealing butterfly valve with flange connection made according to AWWA or DIN standard, which means ...
1 PC flange floating ball valve 1 PC flange floating ball valve is a kind of floating ball valve with flange connection, which is made by one piece. ....