... ,used in motorised valve for HVAC system,can also supply reversible type,popular 5w 5rpm Our company is a special manufacture company ... to make of hysteresis motors that are used for fan coil, damper, and zone valve (2/3-way valve ... type: Gear/Shaft 3, Hysteresis Synchronous Motor is used to HAVC system, Electric Valve, timing Set etc. Hysteresis Motor for Motorized ...