Marwin Valve

The Marwin Valve Actuator Sizing Program

Select any of the Marwin ball valve series, size, seat material and service factor from several drop down menus. The program will calculate the proper size Marwin electric and pneumatic actuators (and gear operators) for the valve selected.

MVCV Sizing Software

Quickly and accurately determine the flow coefficient of a valve so that you can choose the proper Marwin valve for your application.



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.