B6500S-290-250 • en-us • 2021-03-05 • Subject to change1 / 2 • Valve Size5" [125] Fluidchilled or hot water, up to 60% glycol Fluid Temp Range (water)0...250°F [-18...120°C] Body Pressure RatingANSI Class 250, raised-face Close-off pressure ∆ ps310 psi Flow characteristicequal percentage Servicingmaintenance-free Maximum differential pressure (water)50 psi [345 kPa] Flow Pattern2-way Leakage rate0% for A – AB Controllable flow range75° Cv290 ANSI Class250 Body pressure rating noteraised-face Cv Flow RatingA-port: as stated in chart B-port: 70% of A – AB Cv Valve bodyCast iron - GG 25 Stem sealEPDM (lubricated) SeatPTFE Pipe connection250 lb flanged O-ringEPDM (lubricated) Ballstainless steel Non-SpringGRB(X) Electronic fail-safeGKRB(X) WARNING: This product can expose you to lead which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov This 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.B6500S-290-250 • en-us • 2021-03-05 • Subject to change2 / 2 GRB, GRX 13.3" [338]10.3" [262]14.4" [366]9.4" [239]5.5" [140]5.5" [140]9.3" [235]0.9" [22]8 GKRB, GKRX 13.5" [343]10.3" [262]14.4" [366]9.7" [246]5.5" [140]5.5" [140]9.3" [235]0.9" [22]8 GRX, GKRX 17.5" [444]10.3" [262]17.0" [433]13.6" [345]5.5" [140]5.5" [140]9.3" [235]0.9" [22]8 GRX, GKRX 17.5" [444]10.3" [262]17.0" [433]13.6" [345]5.5" [140]5.5" [140]9.3" [235]0.9" [22]8GRX24-3 • en-us • 2021-03-05 • Subject to change1 / 2 Nominal voltageAC/DC 24 V Nominal voltage frequency50/60 Hz Power consumption in operation4 W Power consumption in rest position2 W Transformer sizing6 VA (class 2 power source) Electrical Connection18 GA plenum cable, 3 ft [1 m], with 1/2" conduit connector, degree of protection NEMA 2 / IP54 Overload Protectionelectronic throughout 0...95° rotation Input Impedance600 Ω Direction of motion motorselectable with switch 0/1 Manual overrideexternal push button Angle of rotation90°, adjustable with mechanical stop Angle of rotation noteadjustable with mechanical stop Running Time (Motor)150 s, constant, independent of load Running time motor noteconstant, independent of load Noise level, motor45 dB(A) Position indicationMechanically, 30...65 mm stroke Degree of protection IEC/ENIP54 Degree of protection NEMA/ULNEMA 2 UL Enclosure Type 2 Agency ListingcULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/ EU; Listed to UL 2043 - suitable for use in air plenums per Section 300.22(c) of the NEC and Section 602.2 of the IMC Quality StandardISO 9001 Ambient temperature-22...122°F [-30...50°C] Storage temperature-40...176°F [-40...80°C] Ambient humiditymax. 95% r.H., non-condensing Servicingmaintenance-free Weight3.4 lb [1.6 kg] Housing materialUL94-5VA Actuators 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.GRX24-3 • en-us • 2021-03-05 • Subject to change2 / 2 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 with plenum cable do not have numbers; use color codes instead. Meets cULus requirements without the need of an electrical ground connection. 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. On/OffFloating Point Floating Point - Triac SinkNext >