The flow rate controller is used in heating and cooling systems with circulation pumps. The controller automatically maintains flow at the set rate by measuring and immediately adjusting to any variation in pressure. No additional measurements are necessary and the correct quantity of water is supplied to all parts of the system under all operating conditions.
The flow rate controller maintains the flow at a constant rate that has been preset; the diaphragm responds to the pressure upstream of the regulating valve (via an internal impulse line) and dowstream. The valve settings directly refer to the volume flow; accordingly, the maximum volume flow is preset directly according to the diagram when the controller is fitted"
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