Technical Data2045Servicechilled, hot water, up to 60% glycolFlow Characteristicequal percentageControllable Flow Range75°Size [mm]0.5” [15]End FittingNPT female endsBodyforged brass, nickel platedBallchrome plated brassStemnickel plated brassStem PackingEPDM (lubricated)SeatTeflon® PTFESeat O-ringEPDM (lubricated)Characterized DiscTEFZEL®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 psiCv3 Weight0.7 lb [0.3 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-SpringSpringB212BTR, LRTFR, LFDimensions (Inches [mm])DH2CBAEFH1LRB, LRXABCDEFH1H29.4” [239]2.38” [60]5.58” [142]5” [127]1.3” [33]1.18” [30]1.1” [28]B212B, 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, 06/30/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Dimensions (Inches [mm])ABDCEFTRABCDEF3.72” [95]2.38” [60]5.19” [132]4.61” [117]1.25” [32]Dimensions (Inches [mm])BADCEFTFRB, TFRXABCDEF6.59” [167]2.38” [60]5.48” [139]4.71” [120]1.53” [38]Dimensions (Inches [mm])BADCEFLFABCDEF7.92” [201]2.38” [60]6.06” [154]5.48” [139]1.82” [46]B212B, 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, 06/30/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Technical Data100141Power Supply24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%Power Consumption Running2 WPower Consumption Holding1.3 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 Yon/offFeedback Output UNo FeedbackAngle of RotationMax. 95°, 90°Direction of Rotation (Motor)reversible with CW/CCW mountingDirection of Rotation (Fail-Safe)reversible with CW/CCW mountingPosition Indicationvisual indicator, 0° to 95° (0° is full spring return position)Running Time (Motor)<75 secRunning Time (Fail-Safe)<75 secAmbient Humiditymax. 95% RH non-condensingAmbient 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, IP42, UL Enclosure Type 2Housing MaterialUL94-5VAAgency Listings†cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/ECNoise Level (Motor)<50 dB (A) Noise Level (Fail-Safe)<63 dB (A) Servicingmaintenance freeQuality StandardISO 9001Weight1.8 lb [0.8 kg]†Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3TFRB24On/Off, Spring Return, 24 VAC/DC800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 11/30/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Wiring DiagramsINSTALLATION NOTESAActuators with appliance cables are numbered.Provide overload protection and disconnect as required.Actuators may be connected in parallel. Power consumption and input impedance must be observed.Actuators may also be powered by 24 VDC.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. Blk (1) CommonRed (2) + HotLine Volts13224 VAC TransformerAOn/OffTFRB24On/Off, Spring Return, 24 VAC/DC800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 11/30/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Next >