EN13789 PN16 Cast Iron Bellow Globe Valve-
EN13789 PN16 Cast Iron Bellow Globe Valve
2022-08-03
The opening and closing part of the check valve is a plug-shaped valve disc, with the sealing surface in flat or conical, moves linearly along the center line of the valve seat. The opening or closing stroke of the valve stem is short, so it has a ve...