Technical Data2055Servicechilled, hot water, up to 60% glycolFlow CharacteristicA-port Equal percentage; B-port modified linear for constant flowControllable 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 psiCv0.8 Weight0.7 lb [0.3 kg]Leakage0% for A to AB, <2.0% for B 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 or constant flow.Suitable Actuators Non-SpringSpringB309BTR, LRTFB(X), LFDimensions (Inches [mm])H1EFBADCH2LRB, LRXABCDEFH1H28.5” [216]2.38” [60]5.19” [132]4.61” [117]1.3” [33]1.18” [30]1.1” [28]B309B, 3-Way, Characterized Control ValveChrome Plated Brass Ball and Nickel Plated Brass Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Dimensions (Inches [mm])ABDCEFTRABCDEF3.72” [95]2.38” [60]4.79” [122]4.21” [107]1.25” [32]1.2” [31]Dimensions (Inches [mm])BACDEFTFRB, TFRXABCDEF6.59” [167]2.38” [60]4.9” [124]4.32” [110]1.53” [38]1.2” [31]Dimensions (Inches [mm])BAEFDCLFABCDEF7.92” [201]2.38” [60]5.67” [144]5.09” [129]1.82” [46]1.89” [48]B309B, 3-Way, Characterized Control ValveChrome Plated Brass Ball and Nickel Plated Brass Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Technical Data2490Power Supply24 VAC ± 20%, 50/60 HzPower Consumption Running1 WTransformer Sizing1 VA (class 2 power source)Electrical Connection10ft [3m], 18 GA plenum rated cableOverload Protectionelectronic throughout full rotationInput Impedance0.36 k ΩAngle of Rotation90°Position Indicationintegrated into handleManual Overridepush down handleRunning Time (Motor)90 secAmbient 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 type 1 / IP40Agency Listings†cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC and 2006/95/ECNoise Level (Motor)<35 dB (A) Servicingmaintenance freeQuality StandardISO 9001TR24-3/300 USOn/Off Floating Point, Non-Spring Return, 24 V800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Wiring DiagramsINSTALLATION NOTESProvide overload protection and disconnect as required.Actuators may also be powered by 24 VDC.17Actuators cannot be wired in parallel.Actuators with plenum cable do not have numbers; use color codes instead.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. 24 VAC TransformerBlk (1) CommonRed (2) + Hot Wht (3) + HotLineVolts131718On/Off 24 VAC TransformerBlk (1) CommonRed (2) + Hot Wht (3) + HotLineVolts131718Floating PointTR24-3/300 USOn/Off Floating Point, Non-Spring Return, 24 V800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Next >