... Motor,synchronous motor,used in motorised valve for HVAC system,can also supply reversible type ... motors that are used for fan coil, damper, and zone valve (2/3-way valve)The hysteresis synchronous motors ... Hysteresis Synchronous Motor is used to HAVC system, Electric Valve, Riming Set etc. 2)Input Power: ≤ 6. ... is used to HAVC system, Electric Valve, timing Set etc. Hysteresis Motor for Motorized Valve