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MSRP: $163.00
Price: $74.17
You Save: $88.83 (54 %)


Select desired valve porting: Port Setup refers to valve ports A to AB
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Belimo Part Number: B312B

Valve Body Only, No actuator

B3 Series, 3-Way, Characterized Control Valve Chrome Plated Brass Ball and Brass Stem


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 or constant fl ow.

Technical Data Sheet


Valve TypeB313B
Valve Size0.5" [15]
Cv Rating4.7 Cv
Flow Rating--
Flow Pattern3 Way Mixing / Diverting
Flow CharacteristicA-port equal percentage, B-port modified for constant common port flow
Servicechilled or hot water, 60% glycol
End FittingNPT female ends
Material (body)forged brass, nickel plated
Material (ball)chrome plated brass
Material (plug)--
Material (disc)--
Material (stem)nickel plated brass
Material (seat)PTFE
Material (seat O-rings)--
Material (characterizing disc)TEFZEL®
Media Temp Range (water)0°F to 250°F [-18°C to +120°C]
Media Temp Range (steam)--
Maximum Inlet Pressure (steam)--
Maximum Inlet Pressure (water)--
Leakage0% for A to AB, <2.0% for B to AB
Item Number: B313B
Manufacturer: Belimo
Manufacturer Part No: B313B

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