Primary tabs

Product of the Month

Find out why the 3000 Series Fire Safe valve is our Product of the Month!

Find a Rep

We have Marwin Valve reps and distributors located across the world. Find your local rep.

Flow Sizing Software

Quickly and accurately determine the flow coefficient of a valve.
Welcome to Marwin Valve
Marwin Valve is a leading manufacturer of high quality quarter-turn ball valves and automated accessories. Our creative engineering department and quality manufacturing practices enable Marwin Valve to offer the convenience of standard features with the option of customizing for a specific process. Our extensive product range includes two piece, three piece, flanged, and multiport valves. In addition, Marwin specializes in non-standard ball valves including metal-seated, cryogenic, control and special-seated valves.