Item Type: DN20 Ball Valve Material: Brass and ABS Power Supply: AC220V Interface Size: DN20 Power: 6-20W Motor Torsion: 6N.M Motor Type: Synchronous motor Action Time: 6-15s Working Pressure: 1.6Mpa Semi Closed Pressure Difference: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Normally Open: This is normally open 2 wire 2 way motorized ball valve, integrated manual and automatic function, with DN20 interface 2IP54 Protection: This electrical ball valve protection level is IP54, has good dust proof and drip proof, can be used for long time with confidence 3Simple Installation: This 2 wire ball valve can be installed easily and quickly, the blue is connected to the live wire, and yellow is connected to the neutral wire 4Applicable Medium: The applicable medium of this ball valve is cold water, hot water and 50% ethylene glycol solution, has wide compatibility 5Durable Material: The ball valve is made of brass and ABS, heatures high strength and hardness, good wear resistance, not easy to be damaged, sturdy and durable