South American Valve is a leading Plunger valve supplier in Colombia. Plunger Valve a valve in which flow control is provided by the movement of a cylindrical or conical plunger in a passage. Available material: Cast iron, Ductile iron, Cast steel (WCB). Size- 4 Inch- 80 Inch Pressure: PN 6-PN 63 Class: 150-300 Ends: Flanged Operations: Handwheel