Product Description
The BELIMO B221+LF24-S US is a characterized control valve assembly. It features a forged brass, nickel-plated brass body, and stainless steel ball and stem. The direct-coupled actuator delivers 35 in-lb torque and operates on 24 VAC/DC with on/off, spring return functionality. It is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils.
- Valve Is Typically Used In Air Handling Units On Heating Or Cooling Coils, And Fan Coil Unit Heating Or Cooling Coils
- Valve Is Suitable In Use In A Hydronic System With Variable Flow
- Ball Valve Design Offers Self-Cleaning And Zero Leakage
Product Highlights
The BELIMO B221+LF24-S US valve is rated for water temperatures up to 250 F and offers self-cleaning with zero leakage.
Product Information
Standard Information
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Brand: BELIMO
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Manufacturer Part Number: B221+LF24-S US
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Country of Origin: United States
Technical Specifications
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Housing: NEMA 2, IP54
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Service: Chilled, Hot Water, Up To 60% Glycol
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Power Consumption: 5 W Running, 2.5 W Holding
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Close-Off Pressure: 200 psi
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Flow Characteristic: Equal Percentage
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Operating Conditions: -22 F To 122 F (-30 C To 50 C)
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Electrical Connection: cable
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Angle of Rotation: 90
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Cv: 24
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End Fitting: Internal thread
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Fluid: Chilled or hot water up to 60% glycol
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Pattern: 2-way
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Pressure Independent: NO
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Trim: Stainless steel
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Valve Size: 0.75" [20]
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Actuator Type: Spring return
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Auxiliary Switches: 1 x SPDT
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Degree of Protection: IP54 NEMA 2
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Running Time (Fail-safe): <25 s
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Running Time (Motor): 75 s / 90B0
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Voltage AC/DC: AC/DC 24 V
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Runtime: 75 Secs
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Voltage: 24vac
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Actuator: LF24-S US
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Assembly: Assembly
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Fail-Safe: Spring Return
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Connection: NPT
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Valve Type: Regular
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Aux. Switch: 1
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Nema Rating: Nema 2
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Valve Piping: 2-Way
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Close-Off Rating: 100 PSI
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Body Pressure Rating: 600 psi
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Power Consumption For Wire Sizing: 7 VA
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Control Type: On/Off
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Protection category: IP54
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Degree Of Protection NEMA: NEMA 2
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Enclosure Type: UL Enclosure Type 2
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Brand: Belimo
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Auxiliary Switch: 1 SPDT
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Torque: 35
in-lb [4 Nm]
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Ambient Temperature: -22...122 °F [-30...50 °C]
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Valve Pattern: 2-Way
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CV Rating: 24
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GPM: 88 @ Δ 4 psi
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Material: Stainless Steel
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Control Signal: On/Off
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Auxillary Switch: None
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Enclosure: None
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Valve Material: Stainless Steel Ball and Stem
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Run Time: <40-75 Second
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Spring Return Time: <25 Second
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Control Input: On/Off
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Damper Area: Up to 8.8 Sq.Ft.
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Warranty: 5-Year
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Enclosure nema rating: NEMA 2
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Fail safe: Fail Safe
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Features and benefits: 35 in-lbs [4 Nm] minimum | <75 seconds | 1 SPDT | NPT female ends | Forged Brass, Nickel Plated
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Size: 3/4 Inch