... 2.HVAC and fire works.3. Water equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for ... : brass or stainless steelmini motorized valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve, shut off valve, ... actuator valve, electric operated valve Stainless Steel 3/4'' DN20 mini 2-way Motorized ...