Technical Data280969Servicechilled, hot water, up to 60% glycolFlow Characteristicequal percentageControllable Flow Range75°Size [mm]0.5” [15]End FittingNPT female endsBodyforged brassBallchrome plated brassStembrassSeatTeflon® PTFESeat O-ringEPDM (lubricated)DiaphragmEPDMBody Pressure Rating [psi]360Media Temperature Range (Water)36°F to 212°F [2°C to 100°C]Maximum Allowable Operating Temperature212°F [100°C] *Media Temperature Limit250°F [121°C] *Max Differential Pressure (Water)40 psiClose-Off Pressure75 psiCv5.9 Weight0.2 lb [0.1 kg]Leakage0%Servicingmaintenance free* If temperature exceeds 212°F operating range due to a boiler control failure the valve will safely contain the hot water but manufacturers product warranty becomes invalid. Valve and actuator replacement is at the expense of others.ApplicationThe QCV zone valves are suited for large commercial buildings where higher close-off and the ability to change flow is desired. Common applications include unit ventilators, fan coil units, VAV reheat coils, fin tube casing, radiant panels and duct coils. The valve fits in space restricted areas and can be assembled without the use of tools.Suitable Actuators Non-SpringElectronic Fail-SafeZ2050Q-JCQCQKDimensions (Inches [mm])EFDCBAABCDEF4.5” [114]2.05” [52]3.27” [83]2.71” [69]0.94” [23.88]0.94” [24]Z2050Q-J, 1/2”, ZoneTight Valve800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 02/21/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Dimensions (Inches [mm])EFDCBAABCDEF4.5” [114]2.05” [52]3.14” [80]2.56” [65]1.02” [26]Z2050Q-J, 1/2”, ZoneTight Valve800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 02/21/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Next >