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Armstrong 571109-344 1-1/2"NPT CBV150VT Circuit Balancing Valve, 4.94 - 49.44GPM, US $193 – Picture 0
Armstrong 571109-344 1-1/2"NPT CBV150VT Circuit Balancing Valve, 4.94 - 49.44GPM, US $193 – Picture 0

Armstrong 571109-344 1-1/2"npt Cbv150vt Circuit Balancing Valve, 4.94 - 49.44gpm

US $193

  • Fort Collins, Colorado, United States
  • Jun 19th
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Armstrong 571109-344 1-1/2"NPT CBV150VT Circuit Balancing Valve, 4.94 to 49.44GPM Circuit balancing valves (CBVs) have been used for many years as an effective means of ensuring occupant comfort in buildings. Heating and chilled water systems are designed to deliver the correct amount of heated or chilled fluid to every part of a building’s hvac system. However, this ‘design flow’ is frequently not achieved without the use of balancing valves. CBVs are installed in heating and cooling systems to obtain the design flow rates through each circuit in the building. Using the mechanical engineer’s design drawings, the balancing contractor carefully adjusts each balancing valve throughout the hvac system to ensure the engineer’s design intent is met, and that the correct flow rate is achieved in each circuit. Performance curves correlate the pressure drop, or rP, across the valve to the flow rate through the same valve. Using these curves, the design flow is achieved by adjusting the cbv handwheel until the target rP, and thus flow rate, is reached. Features Multi-turn adjustment range for maximum control. Pressure/Temperature ports for measuring differential pressure. Positive shut off/isolation capability (according to ashrae guidelines). Memory setting feature — preferably hidden, to avoid inadvertent tampering with the set point. Micrometer-type handwheel adjustment with easily readable settings. Measured vs. actual flow rate accuracy of at least 95% across the recommended operating range. Material Body: bonnet Brass alloy cw617 Stem and disk: Brass alloy b16 Elastomers: epdm Handwheel: Reinforced Nylon; abs Codes/Standards LEAD FREE CERTIFIED TO NSF/ANSI 372 Product Specifications Furnish and install, as shown on plans and in accordance to manufacturer’s installation instructions, Armstrong Circuit Balancing Valves Item Details These valves are unused and in like-new condition. Please reference pictures provided in listing before committing to buy.

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