AC220V 3-way DN25 motor ball valve for solar heating system,fan coil US 18.00 / Piece 1 Piece (Min.Order) CWX -25S 3way Mini Automatic/Manual Brass (1/2”) DN15 9-24V,220V BSP motorized ball valve for ...

The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves prevent the backward flow ...

2-way/3-way electric operated Valve 1/4" to 1",IP65, with differnt wiring,3-6Vdc,ac/dc9-24V,220V, 1.0Mpa CE,ISO approved. 1. Smart shape,perform reliably,brass gear ...