... 3, Multi-assembling, easy to install.4, Float ball structure, no leakage, especially suitable for heavypollution conditions.5, good substitution for solenoid valve ... card meters, heat energy meters, air-warm valve.2, HVAC and fire work.3, Water equipment, uto-controlwatersystem, industrial mini- ... machins, water heaters, industrial CWX-15Q 1/2" 3 way motorized bal valve for water treatment