Patent ID: 8690119

Claim:
A valve assembly comprising: (a) an adapter plate assembly comprising an adapter plate, a bonnet with a center and a threaded shaft extending through the center of the bonnet; (c) an actuation assembly comprising an outer enclosure and an outer magnetic cartridge that is magnetically coupled to an inner magnetic cartridge; and (d) an inner valve assembly comprising an inner enclosure and a planetary gear subassembly comprising one or more planetary gears; wherein the outer enclosure is secured to the adapter plate, and the adapter plate is secured to a valve body; wherein the valve comprises a plunger that is situated inside of the valve body; wherein one end of the threaded shaft comprises external threads, and the other end of the threaded shaft is coupled to the plunger; wherein the bonnet comprises a bonnet skirt that is situated on top of the valve body between the valve body and adapter plate; wherein the planetary gear subassembly comprises an inner ring that is fixedly attached to the inner magnetic cartridge and an interface disc that is fixedly attached to the inner enclosure, thereby causing the inner enclosure to rotate at a speed slower than that of the inner magnetic cartridge; and wherein the outer enclosure prevents any fluids from escaping from the valve.