The 20W3040E0GBDN0450PN16 is a 18" TTV butterfly valve in a wafer pattern, rated PN16 for flanged pipework.
It is built with a ductile iron GJS500-7 body and a concentric seat design, fitted with an EPDM seat. The valve is manually operated by a gearbox with a handwheel.
It is supplied as a manual valve, without a pilot solenoid or limit switch box.