FG series air operated valve is detivative from FG solenoid valve.
Available models: FG2511A-06, FG2512A-06, FG2521A-08, FG2522A-08, FG2531A-10, FG2532A-10, FG2541A-15, FG2542A-15, FG2561A-20, FG2562A-20, FG2581A-25, FG2582A-25