Pictured assembly comprises:
F-G1 Flanged Ball Valve (download available Valves-Ball Valve)
P series (now PA) Prisma Pneumatic Actuator (download available Actuators-Pneumatic)
6519 Burkert Pilot Solenoid (download available Actuators-Actuator Accessories)
YT-850 YTC Limit Switch Box download available Actuators-Actuator Accessories)