Manual balance valve is a one-time manual adjustment, can not automatically change with the system operating conditions change the drag coefficient, so called static balance valve. The object of manual balancing valve is resistance, can play the role of manually adjustable orifice to balance the resistance of the pipe network system, to achieve the balance of resistance of each loop role. Can solve the problem of steady-state imbalance of the system: when the operating conditions are different from the design conditions, the circulating water is more or less than the design conditions, the balance valve is balanced by the system resistance, the new water can be balanced according to the proportion of the design calculation So that the traffic of each branch will increase and decrease proportionally at the same time and still meet the traffic requirement corresponding to the current load. This article Keywords: balance valve
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