Heating/cooling compsumption measuring, 4-way zone valve
Painted galvanized metal box with key-operated lock - Zone valve DN20 4-way with by-pass passage - Servomotor: 230 Vac, 50 Hz - Impurity collection filter DN20 - Ball valve DN20 with pipe union - Gate valve DN20 to calibrate and balance the heating/cooling circuit
(*) setup for thermal energy counter size DN15 (connection 3/4")
(**) setup for thermal energy counter size DN20 (connection 1")
The boxes thus assembled are suitable for connection on the left side of the main pipelines of the centralized system.