VALVE, B211B+TFRB24-SR-NC/FC

VALVE

Valve, B211B+TFRB24-SR-NC/FC#413905
Frequency: 50/60 Hz

Valve, B211B+TFRB24-SR-NC/FC #413905

Characterized Control Valve with Proportional Actuator Water Control Valve for hydronic heating and cooling systems1/2" or 3/4" Female NPT ConnectionsMedia Temperature from 0°F to 250°F [-18°C to 120°C] Maximum Glycol concentration 60%Differential Pressure up to 50psi [345kPa]Manufactured in brass with EPDM O-rings B2 series is variety of 2-way, equal percentage flow characteristics, control valves.B211B, 1/2" Female NPT, Cv=1.9B212B, 1/2" Female NPT, Cv=3B218B, 3/4" Female NPT, Cv=7.4 The Valves are intended to be used with the TFRB24 Spring Return Proportional Actuator, 24V AC supply voltage and 2 to 10V DC control voltage. Normally Closed (NC) with the option of Fail Close (FC) or Fail Open (FO).

Tech specs

Technical Data

Article name
Valve, B211B+TFRB24-SR-NC/FC
Article number
#413905
24V 50/60Hz
Nominal data
Voltage (nominal)24V
Frequency50; 60Hz
Input power2W
Controller and Sensors
Permitted humidity, non-condensing0 to 85%RH
Ambient and duct temperature
Permitted ambient temperature-22 to 122°F
Dimensions and weights
Type of pipe connectionNPT Female
Weight0.4lb
Others
Full stroke time95s
Media temperature0 to 248°F
Flow characteristicsEqual percentage
Max. Leakage0%
Material bodyBrass
StemBrass
Packing boxEPDM

Dimensions

VALVE #413905, Dimensions
Valve BodyValve Nominal SizeDimensions (Inches [mm])
Inches
DN [mm]A  
B211B
1/2"152-7/16"[61.1]1-3/8"[35.2]
B212B
1/2"152-3/8"[60.4]1-3/4"[45.2]
B218B
3/4"202-3/4"[69.3]1-7/8"[47.4]

Documentation