See our contribution to the
Barretts' Home in Peyton!
Barnhart Pump Co
5015 E Blaney Rd
Falcon, CO 80831
Gary@BarnhartPump.com
Phone: 719-495-2912
Fax: 719-683-4429
Licensed and Bonded
Colorado Division Of
Water Resources
License Number
1122 & 1306
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Constant Pressure Systems /
Variable Frequency Drives Constant pressure systems are much like conventional systems in that they require a pump, a pressure tank and a pressure switch or sensor. The pressure sensor reads the system pressure and sends a signal to the control panel for the pump. The controller then tells the pump to run as slow or as fast as needed to maintain the desired system pressure and volume required. Depending on the specific system chosen the pressure setting may be adjustable at either the pressure sensor or the motor controller.  Pressure Tank The pressure tank in a constant pressure system is usually much smaller than the ones used in a conventional system. In a constant pressure system the tank stores very little water and acts primarily as a buffer to prevent pressure fluctuations. Pumps The pumps used in a constant pressure system are basically the same as those used in a conventional submersible system. The difference is that the motor attached to the pump runs at varying speeds depending on the volume of water being demanded. The motor speed is controlled by a variable frequency drive controller. Depending on the exact system chosen, the motor could be a single or three phase unit. Benefits of a Constant Pressure System
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