The EA 21 actuator complements the modular and flexible 546 Series valve, providing a system approach to piping system design. The Series includes polypropylene, PVDF, PVC, and CPVC versions in sizes 3/8 through 2 in. The EA 21 has an integrated emergency manual override and automatic voltage and frequency adjustment for on/off or process-control applications. Additional features include IP67-rated housing with flame-retardant fiberglass-reinforced polypropylene and all-stainless-steel screws. The valve's ISO-Namur connection interface offers flexibility in adding accessories, allowing 10 options in any combination. Options include cycle-time adjustment, current monitoring, cycle-time monitoring, cycle counting, fail-safe, heating element, and position feedback for 4 to 20-mA input.

George Fischer Inc.,
2882 Dow Ave.,
Tustin, CA 92780,
(800) 854-4090,
www.us.piping.georgefischer.com