Dwyer Mgo-4t Gear Operator | Works With 8" Size Bfv Series Butterfly Valves | Min. Output Torque 4425 In-lbs. (500 N M) | Max. Output Torque 6196 In-lbs. (700 N M). | Blackhawk Supply
SUNEX TOOLS 3/4 in. Drive 48T Torque Wrench (110-600 ft.-lbs.) 40600 - The Home Depot