Max-Air automated this 28” DI Lug Butterfly valve with our HD Series scotch yoke actuator, spring return fail closed. Max-Air accessories were also included – MS48-120M03 explosion proof limit switch box and SV29-120VAC-3-STD explosion proof inline solenoid valve were pre-wired and terminated for a complete package. With proper installation and support, this assembly can be dropped in line, tested and ready to go in no time.