Our History

 Marwin Valve is a leading manufacturer of high quality quarter-turn ball valves and automated accessories. Marwin Valve recognizes that many applications are unique and may require specialized attention. 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.
 
Marwin Valve Valve is a division of Richards Industries and is headquartered in Cincinnati, Ohio. Richards Industries is the parent company of five other distinct industrial product lines; Steriflow Valve - sanitary pressure regulators and control valves; Jordan Valve - regulators and control valves; LowFlow Valve - fractional flow control valves; Hex Valve - instrument valves and manifolds; and Bestobell Steam Traps - steam traps and steam specialty equipment.