Technical Data100164Servicechilled, hot water, up to 60% glycolFlow Characteristicequal percentageControllable Flow Range75°Size [mm]0.75” [20]End FittingNPT female endsBodyforged brass, nickel platedBallchrome plated brassStemnickel plated brassStem PackingEPDM (lubricated)SeatTeflon® PTFESeat O-ringEPDM (lubricated)Characterized DiscNo Disc (full flow)Body Pressure Rating [psi]600Media Temperature Range (Water)0°F to 250°F [-18°C to 120°C]Max Differential Pressure (Water)50 psi (345 kPa)Close-Off Pressure200 psiCv24 Weight0.9 lb [0.4 kg]Leakage0% for A to ABServicingmaintenance freeFlow PatternApplicationThis valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow.Suitable Actuators Non-SpringSpringB221BLRLFDimensions (Inches [mm])DH2CBAEFH1LRB, LRXABCDEFH1H29.4” [239]2.73” [69]5.79” [147]5.09” [129]1.3” [33]1.18” [30]1” [25]B221B, 2-Way, Characterized Control ValveChrome Plated Brass Ball and Nickel Plated Brass Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 10/07/2016 - Subject to change. © Belimo Aircontrols (USA), Inc.Dimensions (Inches [mm])BADCEFLFABCDEF8.58” [218]2.73” [69]6.27” [159]5.57” [141]1.82” [46]B221B, 2-Way, Characterized Control ValveChrome Plated Brass Ball and Nickel Plated Brass Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 10/07/2016 - Subject to change. © Belimo Aircontrols (USA), Inc.Technical Data2288Power Supply24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%Power Consumption Running2.5 WPower Consumption Holding1 WTransformer Sizing5 VA (class 2 power source)Electrical Connection3ft [1m], 18 GA appliance cable with 1/2” conduit connectorOverload Protectionelectronic throughout 0° to 95° rotationOperating Range Yfloating pointInput Impedance1000 Ω (0.6 W)Feedback Output UNo FeedbackAngle of Rotation90°Direction of Rotation (Motor)reversible with built-in switchDirection of Rotation (Fail-Safe)reversible with CW/CCW mountingPosition Indicationvisual indicator, 0° to 95° (0° is full spring return position)Running Time (Motor)150 secRunning Time (Fail-Safe)<25 sec @ -4°F to 122°F [-20°C to 50°C], <60 sec @ -22°F [-30°C]Ambient Temperature Range-22°F to 122°F [-30°C to 50°C]Storage Temperature Range-40°F to 176°F [-40°C to 80°C]HousingNEMA 2, IP54Agency Listings†cULus acc. To UL 873 and CAN/CSA C22.2 No. 24-93Noise Level (Motor)<50 dB (A) Noise Level (Fail-Safe)<62 dB (A) Servicingmaintenance freeQuality StandardISO 9001†Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3LF24-3 US, Valve ActuatorFloating Point, Spring Return, 24 V800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 11/29/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Wiring DiagramsINSTALLATION NOTESAActuators with appliance cables are numbered.Provide overload protection and disconnect as required.Actuators may also be powered by 24 VDC.Actuators Hot wire must be connected to the control board common. Only connect common to neg. (-) leg of control circuits. Terminal models (-T) have no-feedback.Actuators may be connected in parallel if not mechanically linked. Power consumption and input impedance must be observed.Meets cULus requirements without the need of an electrical ground connection.!WARNING! LIVE ELECTRICAL COMPONENTS!During installation, testing, servicing and troubleshooting of this product, it may be necessary to work with live electrical components. Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury. Line Volts24 VAC Transformer1311Blk (1) CommonRed (2) + HotWht (3) W3 InputGrn (4) W4 InputFloating Point ComHotLineVoltsA1311Blk (1)Red (2)Wht (3)Grn (4)Common+ Hot W3 InputW4 Input 24 VAC TransformerFloating Point - Triac Source ComHotLineVoltsA1116Blk (1)Red (2)Wht (3)Grn (4) Common+ HotW3 InputW4 Output 24 VAC TransformerFloating Point - Triac SinkLF24-3 US, Valve ActuatorFloating Point, Spring Return, 24 V800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 11/29/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Next >