-12%

R2050-25-S3+NRF24A-SR

Price: ₹20245 (Excl. of GST)

Incl. of GST: ₹23889

Belimo

Characterised control valve, 2-way, DN 50, Internal thread, Rp 2″, PN 25, ps 1600 kPa, Kvs 25 m³/h, Fluid temperature -10…120°C [14…248°F]
Rotary actuator fail-safe NC, 10 Nm, AC/DC 24 V, 2…10 V, 90 s, IP54
Actuator fitted

20,245.00 23,003.00

Belimo R2050-25-S3 + NRF24A-SR – Reliable Motorized Ball Valve for HVAC Control

Upgrade your HVAC system’s performance with the Belimo R2050-25-S3+NRF24A-SR, a high-quality motorized ball valve designed for precise flow management and energy-efficient operation. Belimo’s Swiss-engineered components are trusted worldwide for their durability and innovation in HVAC automation.

The R2050-25-S3 is a robust 2-way brass valve with a DN25 (1″) size, delivering excellent corrosion resistance and longevity. When combined with the NRF24A-SR actuator, it provides smooth, modulating control via a 2–10 VDC signal. The actuator’s spring-return function offers fail-safe protection, ensuring valve closure during power outages.


🔧 Features at a Glance:

  • Model: R2050-25-S3 + NRF24A-SR

  • Brand: Belimo – Precision Swiss HVAC controls

  • Control Type: Modulating (2–10 VDC) with spring-return fail-safe

  • Energy Efficiency: Low power usage with reliable performance

  • Application: Suitable for both chilled and hot water systems

  • Valve Size: DN25 (1”) ideal for medium and larger HVAC setups

  • Fail-Safe Operation: Spring-return actuator ensures system safety

  • Automation Ready: Easily integrates with Building Management Systems (BMS)

  • Installation: Comes with pre-mounted actuator for hassle-free setup


📦 Ideal For:

  • Automated HVAC systems

  • Hot and chilled water circuits

  • Air Handling Units (AHUs), Fan Coil Units (FCUs), chillers, VRF systems

  • Building energy management and automation


🌟 Why Belimo?

Belimo is a global leader in HVAC control solutions, known for precision engineering and long-lasting products. The R2050-25-S3+NRF24A-SR valve-actuator combo delivers dependable, energy-efficient control, making it a top choice for HVAC professionals seeking smart and reliable system management.


🚀 Get Yours Today!

Enhance your HVAC system with the Belimo R2050-25-S3+NRF24A-SR motorized ball valve. Contact authorized distributors for competitive pricing, fast delivery, and expert support.

Brand

Valve specifications

Pattern
2-way
Kvs
25 m³/h
Fluid
Water, water with glycol up to max. 50% vol.
Fluid temperature
-10…120°C [14…248°F]
Fluid temperature note
  • At a fluid temperature of -10…2°C, a spindle heater or a valve neck extension is recommended.
  • The allowed fluid temperature can be limited, depending on the type of actuator. Limitations can be found in the respective data sheets of the actuators.
Close-off pressure
1400 kPa
Differential pressure Δpmax
350 kPa
Differential pressure note
200 kPa for low-noise operation
Flow characteristic {Tools}
Equal percentage
Leakage rate {Tools}
Air-bubble tight, leakage rate A
Pipe connection
Internal thread

Actuator specifications

Voltage AC/DC
AC/DC 24 V
Power consumption (running)
3.5 W
Power consumption (holding)
2.5 W
Power Consumption For Wire Sizing
6 VA
Connection Supply Control
Cable 1 m, 4x 0.75 mm²
Control type
DC 2…10 V
Protection category
IP54
Degree Of Protection NEMA
NEMA 2
Enclosure Type
UL Enclosure Type 2

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