... medium:water,air,gas.Product life: 100,000 timesSpecial function:position indicator;quick openEnclosure:IP65Main export areas:Europe,Asia ... air-warm valve.HVAC and fire works. 3. Water equipment,auto-control watersystem,industrial mini-auto equipment, ... automatic control 4 Irrigation equipment,drinking water equipment,solar water heaters,washing machines,water heaters,industrial humidifier. 5. Replacing ...