Specifications Hign-concerned Chemical:None NC or NO:Normally Closed Actuator Mode:With Manual And Instruction Structure:Ball Media: GAS Material:Stainless Steel Temperature of Media:Normal Temperature Standard or Nonstandard:Standard Pressure:Low Pressure Power Source:AC Is Smart Device:No Origin:Mainland China Specification Medium: Cold hot water, 60% Ethylene Glycol Material: Stainless Steel Power Supply: AC220V DC12V DC24V AC24V Structure Forms: Two Ways Operation Mode: 2-wire (power-off reset mode) Running Time: 5-15 Seconds Power consumption:6VA Valve body pressure resistance:1.6Mpa Medium Temperature: 0~90 Product List1 pc motorized ball valve Manual function description Before using the manual switch, the actuator button should be adjusted to O The purpose is to disconnect the internal capacitor to prevent automatic reset O:Turn on the manual switch I :Turn on power control Normally closed:When SW is connected, the valve opens. when SW is disconnected, the backup power is triggered and the valve returns to the closed state. Normally open:When SW is connected, the valve is closed. when SW is disconnected, the backup power is triggered and the valve returns to the open state.