B252+ARX24-3-T N4 | Belimo Two Way Characterized Control Valve 2 Inch Cv 85 With NEMA 4X Actuator
Belimo · Motors & Motion
Description The Belimo B252+ARX24-3-T N4 is a factory-assembled two-way characterized control valve designed for precise hydronic flow regulation in HVAC systems. It combines a 2 inch valve body with a non spring return 24 V actuator supporting on/off and floating point control in a sealed NEMA 4X enclosure. Technical Specifications Condition New/Never Used Surplus Brand Belimo Category Control Valves Part Number B252+ARX24-3-T N4 Subcategory Characterized Control Valves Valve Size 2 in [50 mm] Valve Type 2-way Cv Rating 85 Flow Characteristic Equal percentage Flow Pattern 2-way Controllable Flow Range 75° Leakage Rate 0% (A–AB) Fluid Type Chilled or hot water, up to 60% glycol Fluid Temperature Range -18…120°C [0…250°F] Body Pressure Rating 400 psi Close-Off Pressure 200 psi Pipe Connection NPT female Valve Body Material Nickel-plated brass Stem Material Stainless steel Seat Material PTFE Nominal Voltage AC/DC 24 V Control Type On/Off, Floating Point Power Consumption (Operation) 2.5 W Power Consumption (Rest) 0.5 W Transformer Sizing 5.5 VA Actuator Rotation 90°, adjustable Running Time (Motor) 90 or 150 s / 90° Degree of Protection IP66/67, NEMA 4X Ambient Temperature -30…50°C Weight 7.4 lb Information About B252+ARX24-3-T N4 The B252+ARX24-3-T N4 is part of Belimo’s characterized control valve assemblies engineered for accurate and energy-efficient hydronic control. The valve utilizes an equal percentage flow characteristic and a stainless steel characterized disc to maintain stable control across varying load conditions. Its integrated ARX24-3-T N4 actuator provides non fail-safe operation with on/off and floating point control, allowing straightforward integration into building automation systems. Factory assembly ensures precise valve-to-actuator alignment, reduced installation time, and dependable long-term performance in harsh indoor or outdoor environments. Key Features Two Way Characterized Valve Design: Provides precise hydronic flow regulation with an equal percentage characteristic for consistent system performance. Non Spring Return Actuator: Powered valve positioning without fail-safe spring action supports applications where return on power loss is not required. On Off And Floating Point Control: Enables simple and robust control strategies commonly used in hydronic HVAC systems. Rugged NEMA 4X Enclosure: IP66/67 rated actuator housing protects against moisture, dust, and corrosion in demanding installations. High Flow Capacity: Cv 85 rating supports efficient flow control in high-demand hydronic circuits. Electronic Overload Protection: Protects actuator components throughout the full rotation range to extend service life. Manual Override Access: Allows local valve positioning during commissioning or maintenance without external power. The B252+ARX24-3-T N4 delivers the reliability and precision required for dependable two-way hydronic flow control in demanding HVAC applications.
Brand: Belimo · Category: Motors & Motion
Key features
- Two Way Characterized Valve Design: Provides precise hydronic flow regulation with an equal percentage characteristic for consistent system performance.
- Non Spring Return Actuator: Powered valve positioning without fail-safe spring action supports applications where return on power loss is not required.
- On Off And Floating Point Control: Enables simple and robust control strategies commonly used in hydronic HVAC systems.
- Rugged NEMA 4X Enclosure: IP66/67 rated actuator housing protects against moisture, dust, and corrosion in demanding installations.
- High Flow Capacity: Cv 85 rating supports efficient flow control in high-demand hydronic circuits.
- Electronic Overload Protection: Protects actuator components throughout the full rotation range to extend service life.
- Manual Override Access: Allows local valve positioning during commissioning or maintenance without external power.
Specifications
| Manufacturer part number | B252+ARX24-3-T N4 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Control Valves |
| Part Number | B252+ARX24-3-T N4 |
| Subcategory | Characterized Control Valves |
| Valve Size | 2 in [50 mm] |
| Valve Type | 2-way |
| Cv Rating | 85 |
| Flow Characteristic | Equal percentage |
| Flow Pattern | 2-way |
| Controllable Flow Range | 75° |
| Leakage Rate | 0% (A–AB) |
| Fluid Type | Chilled or hot water, up to 60% glycol |
| Fluid Temperature Range | -18…120°C [0…250°F] |
| Body Pressure Rating | 400 psi |
| Close-Off Pressure | 200 psi |
| Pipe Connection | NPT female |
| Valve Body Material | Nickel-plated brass |
| Stem Material | Stainless steel |
| Seat Material | PTFE |
| Nominal Voltage | AC/DC 24 V |
| Control Type | On/Off, Floating Point |
| Power Consumption (Operation) | 2.5 W |
| Power Consumption (Rest) | 0.5 W |
| Transformer Sizing | 5.5 VA |
| Actuator Rotation | 90°, adjustable |
| Running Time (Motor) | 90 or 150 s / 90° |
| Degree of Protection | IP66/67, NEMA 4X |
| Ambient Temperature | -30…50°C |
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