The 20W3040N0GBDN0250JIS10K is a 10" TTV butterfly valve in a wafer pattern, rated JIS 10K for flanged pipework.
It is built with a ductile iron GJS500-7 body and a concentric seat design, fitted with an NBR (Buna) 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.