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Belimo's NEW Pressure Independent Control Valves Give Owners, Contractors & Engineers A Reliable Alternative to Conventional Flow Control
Belimo Aircontrols (USA) has taken flow control to a higher level with the new PICCV Pressure Independent Characterized Control Valve. This valve combines a differential pressure regulator with a two-way control valve, which may be supplied with a Belimo actuator for electronic flow control. Most important, the PICCV supplies constant flow regardless of pressure variations in the system.
The PICCV is unlike any other flow control device on the market today. The pressure regulator absorbs pressure changes before and after the PICCV valve, so the differential pressure across the control valve remains constant. Flow also remains constant, regardless of pressure changes throughout the system. This is different from conventional 2-way control valves, whose operation can be severely distorted by system pressure changes.
Saves Owner, Engineer, and Contractor SIGNICANT Time and Expense
The PICCV not only offers reliable, independent control-it offers several advantages to those who design, install, and rely on flow control equipment:
Engineers will appreciate the fact that the PICCV is so easy to size and select. They simply choose the smallest PICCV that satisfies system flow rate. For example, if the flow rate is 5.8 GPM through a coil, the engineer would select the PICCV rated for 6GPM.
Labor and materials costs are kept to a minimum because the all-inclusive PICCV eliminates the need for individual control and balancing components, as well as balancing labor. Sometimes the PICCV even allows for smaller pipe sizes, further minimizing total installation costs.
The PICCV is virtually maintenance-free and requires no cartridge cleaning.
Greater overall accuracy can be achieved via the PICCV's equal percentage control characteristic. Flows are held constant regardless of pressure variations in the system.
Temperatures are controlled with greater accuracy-especially at light loads.
The PICCV actuator lasts longer because fewer movements are required to maintain set point.
The PICCV has a positive impact on overall system energy consumption. More accurate flow control means better overall efficiency, and less wear and tear on equipment. Also, if a proportional actuator or three-point actuator with a 2-10 feedback is used, the signal can be used to measure flow. This value can be displayed by an EMS, helping the user see when and where energy is being consumed.
Designed for direct replacement of conventional control valves, the PICCV will make retrofits faster and easier for the contractor and/or facility personnel.
A More Sophisticated Control
Simply put, the PICCV is one of the most sophisticated flow control mechanisms to hit the current market. Where past attempts at automatic flow control have failed, the PICCV excels. It's accurate, independent, and simple to install. It is designed to operate reliably over the full range of system pressure occurrences. All this, and the PICCV offsets its own cost by helping the system operate more efficiently, while saving the owner the cost of 3-way valves and increased piping.
For more information visit the website at www.belimo.com.
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