Description: Thrust: 250 kg/550 lb Weight: 9.5 kg/21 lb Motor: 15w Mounting Flange（ISO 5210）: F07 Max. Stroke: 50 mm/1.969 inch Feature: Enclosure conforms to IP68 (up to 72 hours, under water 7 m) with explosion-protected performance. Self-locking drive system. DC motor equipped. External stem position indicator. Low-power consumption. Manual operation can be applied in case of power outage. Built-in thermal protection prevents motor burnout. Control： Standard：Modulating Options：Floating Conduit entrance : Standard: 1/2 ” NPT Optional: 3/4” NPT, M20, M25