The 4MW4040N0LODN0100PN16 is a 4" TTV marine butterfly valve in a wafer pattern, rated PN16 for flanged pipework.
It is built with a CF8M stainless steel body and a concentric seat design, fitted with an NBR (Buna) seat. The body is finished with a C5M marine coating. The valve is manually operated by a lockable lever with a notch plate, so the disc can be set and secured in position.
It is supplied as a manual valve, without a pilot solenoid or limit switch box.