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/Asset/CSU-CW-11-70-CV1.jpg CSU-CW-1/2-XXX CircuitSolver® 1.8 Inch (in) Diameter (D) and 3.7 Inch (in) Length (L) Thermostatic Balancing Valve for Cold Water Recirculation System |
/Asset/CSU-CW-11-70-CV1.jpg CSU-CW-1/2-XXX-CV1 CircuitSolver® 1.8 Inch (in) Diameter (D) and 3.7 Inch (in) Length (L) Thermostatic Balancing Valve for Cold Water Recirculation System with Optional Check Valve |
/Asset/CSU-CW-11-70-CV1.jpg CSU-CW-3/4-XXX CircuitSolver® 2.0 Inch (in) Diameter (D) and 4.3 Inch (in) Length (L) Thermostatic Balancing Valve for Cold Water Recirculation System |
/Asset/CSU-CW-11-70-CV1.jpg CSU-CW-3/4-XXX-CV1 CircuitSolver® 2.0 Inch (in) Diameter (D) and 4.3 Inch (in) Length (L) Thermostatic Balancing Valve for Cold Water Recirculation System with Optional Check Valve |
/Asset/CSU-CW-11-70-CV1.jpg CSU-CW-1-XXX CircuitSolver® 2.5 Inch (in) Diameter (D) and 4.7 Inch (in) Length (L) Thermostatic Balancing Valve for Cold Water Recirculation System |
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Description |
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To balance a cold water recirculation system, a CircuitSolver® Union Cold Water thermostatic valve is installed at the end of each branch or riser. The valve automatically monitors and modulates flow based on current water temperatures to maintain a set temperature in the system to mitigate Legionella growth. The CircuitSolver® Union Cold Water balancing valve uses the same reliable and precise thermal actuator technology as the traditional CircuitSolver® for hot water balancing. Designed with ease in mind, the CSU-CW is offered in sizes ranging 1/2" to 1" and is available in a range of configurations to suit individual system needs. |
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Applications | N/A Cold Water Recirculation Systems | |||||||||
Benefits |
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Brands | N/A ThermOmegaTech® | |||||||||
Certifications | N/A American National Standards Institute (ANSI 61) National Sanitation Foundation (NSF 61) | |||||||||
Close Flow Coefficient (Cv) | N/A 0.3 | |||||||||
Design Features |
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Design Flow Coefficient (Cv) | N/A 0.65 | N/A 0.65 | N/A 0.85 | N/A 0.85 | N/A 1.50 | |||||
Diameter (D) | N/A 1.8 in46 mm | N/A 1.8 in46 mm | N/A 2.0 in51 mm | N/A 2.0 in51 mm | N/A 2.5 in64 mm | |||||
Length (L) | N/A 3.7 in94 mm | N/A 3.7 in94 mm | N/A 4.3 in110 mm | N/A 4.3 in110 mm | N/A 4.7 in120 mm | |||||
Maximum Pressure | N/A 200 psig14 bar | |||||||||
Maximum Temperature | N/A 250 ºF121 ºC | |||||||||
Model | N/A CircuitSolver® | |||||||||
Need for Dynamic Balancg |
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To discourage Legionella bacteria growth, cold water systems need to be recirculated and must be properly balanced to both establish continuous flow and keep line temperatures below 67ºF - the point at which Legionella begins to colonize. Many vari |
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Open Flow Coefficient (Cv) | N/A 1 | N/A 1 | N/A 1.4 | N/A 1.4 | N/A 2.7 | |||||
Openg Temperature | N/A XXX refers to the desired opening temperature. When the water temperature rises above this point the CircuitSolver® will begin to open, allowing water to easily enter the return line. For example, if you want 65ºF desired return temperature and the CSU-CW | |||||||||
Options | N/A | N/A Check Valve Insert | N/A | N/A Check Valve Insert | N/A | |||||
Thread Size | N/A 1/2 in | N/A 1/2 in | N/A 3/4 in | N/A 3/4 in | N/A 1 in | |||||
Thread Type | N/A National Pipe Thread (NPT) | |||||||||
Warranty | N/A 3 years | |||||||||
Weight | N/A 1.2 lb0.5 kg | N/A 1.2 lb0.5 kg | N/A 1.9 lb0.9 kg | N/A 1.9 lb0.9 kg | N/A 3.1 lb1.4 kg | |||||
Why Cold Water Recirculation? |
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Additional formation |
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Dynamically & automatically balance cold water recirculation systems using the CircuitSolver® Union Cold Water (CSU-CW) thermostatic balancing valve. Legionella in Non-Recirculated Cold Water Systems Stagnant, warm water in a plumbing system |
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