2 Pcs electric actuator ball valve: 1 Pcs DN15 and 1 Pcs DN20 Application:This brass motorized ball valve applicable to air conditioning fan coil system and heating system in the off control, by the ball valve and the actuator composition, Actuator using synchronous motor drive, built-in limit contacts, the valve can be fully open or full off when the power, stable action. Work principle:This Valve used for heating systems and air-conditioning fan coil systems on-off controlled by the valve and actuator components,actuators driven by a rotary valve ball 90 percent of movement.Synchronous motor driven actuator, Built-in limit contacts, enabling the valve in the fully open or fully closed off, the action and stability Pressure: Medium Pressure Standard or Nonstandard: Standard Power Source: AC Structure: as shown Power: electric color: grey Material: plastic + metal Dimension:DN15 & DN20 Maxmum Working Pressure: 1.6 MPa / 232psi; Medium: Water, Air, Oil; Voltage:AC220V 50/60 Hz Available; Power: Max is 6W Operation: Motor and hand(with manual switch function) Cable Length:0.5 Meters Life Time: 100000 times; Seal Material: EPDM & PTFE; Enviroment Temperatur :-15~50 in Celsius; Liquid temperature: -5 ~ 100 in Celsiu Protect Class:IP 50 Package Include: 2 x electric actuator ball valve Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.