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B209B/TR24-SR-T | Belimo | Control Valves

2W, 1/2, CV=0.8, NSR, PROP.




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product family specifications

  • 2-way 1/2″ - 3″
  • 3-way 1/2″ - 2″
    Cv Range:
  • 2-way 0.8 to 240
  • 3-way 0.3 to 83
    Body Pattern:
  • Two-way, three-way mixing or diverting
    Flow Characteristic:
  • Two-way equal percentage, three-way linear
    Leakage Rating:
  • 0% for port A to AB; 2% maximum for port B to AB
    Maximum Closeoff Pressure:
  • 1/2″-2″ 200 psig (1380 kPa)(2″ Cv 57 and under)
  • 2″-3″ 100 psig (2″ Cv 65 and above)
    Materials Of Construction:
  • Forged brass body with nickel plating, chrome plated (or stainless steel) ball, PTFE Teflon® seals, Tefzel® characterized disc, EPDM o-rings
    Media Compatibility:
  • Hot or chilled water, <60% glycol
    Media Temperature Range:
  • 0° to 250°F (-18° to 120°C)
    Compatible Actuators:
  • Non-spring return TR, LRB, NRB, ARB; spring return TF, LF, AF
    Pressure Drop:
  • Maximum differential pressure 30 psid (207 kPa), higher could cause noise and/or damage
    Pressure Rating:
  • Two-way
  • 1/2″ to 1-1/4″ 600 psig (4135 kPa)
  • 1-1/4″ (B231) to 3″ 400 psig (2758 kPa)
  • Three-way
  • 1/2″ to 1″ 600 psig (4135 kPa)
  • 1-1/4″ to 2″ 400 psig (2758 kPa)
  • CSA, CE
  • 5 years

product family features

Equal percentage characteristic (2-way),Large Cv range from 0.8 to 170,Assembled, ready for installation,Spring return or non-spring return actuators,Floating, two-position, or proportional control

more information & related documents

Family Description

The B2 Series 2-way ball valves and B3 Series 3-way ball valves are used for two-position, floating or proportional control of HVAC hot or chilled water. Perfect for HVAC applications and Building Automation Systems, BAS, each two-way and three-way ball valve comes assembled with direct-coupled Belimo electric actuators with spring return or non-spring return operation.

Kele Description

2W, 1/2, CV=0.8, NSR, PROP.



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