Air flow

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B2 Series Characterized Control Valve,™ Spring Return Actuator
Service: Flow Characteristic: Media Temp Range: Maximum differential: pressure (∆P) Chilled or Hot Water, 60% glycol A port equal percentage 0°F to 212°F [-18°C to 100°C] For Characterized A-port 30 psi for typical applications 20 psi max for quiet service For full flow versions only (no A-Disc) On/Off control 150 psi -22°F to 122°F[-30°C to 50°C] 0% for A to AB

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Two-way Valve with Stainless Steel Ball and Stem , NPT female ends

Ambient Temp Range: Leakage

TF…

LF…

AF…

B2 Two-way Characterized Control Valve, Stainless Steel Ball and Stem Valve On/Off Model Cv # Rating CCV Valve B207 0.3 B208 0.46 B209 0.8 B210 1.2 B211 1.9 B212 3 B213 4.7 B214 7.4 B215* 10 B217 4.7 B218 7.4 B219 10 B220* 24 B222 7.4 B22310 B224 19 B225* 30 B229 10 B230* 19 B231 25 B232* 37 B238 19 B239 29 B240* 37 B248 29 B249 46 B250* 57 B251 65 B252 85 B253 120 B254* 240 B261 60 B262 75 B263 110 B264 150 B265* 210 B277 70 B278 130 B280* 170 Electrical Connection Valve Nominal Size DN Inches mm 1/2” 15 1/2” 15 1/2” 15 1/2” 15 1/2” 15 1/2” 15 1/2” 15 1/2” 15 1/2” 15 3/4” 20 3/4” 20 3/4” 20 3/4” 20 1” 25 1” 25 1” 25 1” 25 1-1/4”32 1-1/4” 32 1-1/4” 32 1-1/4” 32 1-1/2” 40 1-1/2” 40 1-1/2” 40 2” 50 2” 50 2” 50 2” 50 2” 50 2” 50 2” 50 2-1/2” 65 2-1/2” 65 2-1/2” 65 2-1/2” 65 2-1/2” 65 3” 80 3” 80 3” 80 CloseOff psi 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 100 100 100 100 100 100 100 100 100 100 100 100 TFX24 US LF24 US AF24 US Pg 104 Pg 104 Pg 104 Pg 104 Pg104 Pg 104 Pg 104 Pg 104 Pg 104 Pg 104 Pg 104 Pg 104 Pg 104 Pg 110 Pg 110 Pg 110 Pg 110 Pg 110 Pg 110 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 Pg 118 3 ft cable, 1/2” conduit fitting TF24-3 US LF24-3 US
Pg 106 Pg 106 Pg 106/112

Spring Return Actuator Floating Proportional TF24-3 US LF24-3 US Pg Pg Pg PgPg Pg Pg Pg Pg Pg Pg Pg Pg Pg Pg Pg Pg Pg Pg 106 106 106 106 106 106 106 106 106 106 106 106 106 112 112 112 112 112 112 TF24-SR US LF24-SR US AF24-SR US Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 108 Pg 114 Pg 114 Pg 114 Pg 114 Pg 114 Pg 114 Pg 120 Pg 120 Pg 120 Pg 120 Pg 120 Pg 120 Pg 120 Pg 120

Proportional / MFT

3 ft cable, 1/2” conduit fittingTF24-SR US LF24-SR US
Pg 108 Pg 108 Pg 108/114

3 ft cable, 1/2” conduit fitting

* Models without characterizing discs.

See pg 11 for corrected Cvs with piping reduction factor.

Options (add to list price)

TFX24 US LF24 US

LF24-MFT US
Pg 116 Pg 116† Pg 116

AF24 US
Pg 118 Pg 118

AF24-MFT US
Pg 122 Pg 122†

10 foot cable TF…/300 US Pg 104 16 foot cable TF…/500 US Pg 104built-in aux. switch …-S US Pg 104/110 120 VAC power supply ..120… Pg 104/110 0-135Ω control AF24-MFT95 US 6-9 VDC control LF24-MFT-20 US 6-9 VDC with 1 switch LF24-MFT-S-20 US

† Add to …-MFT price. See Belimo’s flexible product range on page 168 for a complete list of configurable actuators and options. Note: For TF/TR actuators, no weather shield available at this time. Call 800-543-903816

I20621 - 03/06 - IG-Subject to change. © Belimo Aircontrols (USA), Inc.

LF24-MFT US AF24-MFT US Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 116 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 Pg 122 3 ft cable, 1/2”conduit fitting

TF24-SR US

TF24-3 US

TFX24 US

AF24-SR US

LF24-SR US

LF24-3 US

LF24 US

AF24-MFT US

AF24 US

LF24-MFT US

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B2 Two-way Characterized Control Valve, Stainless Steel Ball and Stem AF Actuators, Proportional
Technical Data/Submittal

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Application This valve is typically used in air handling units on heating or cooling coils, and fan coil unit...
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