Description
The Griswold Controls UR2A4FB-2 is a 1/2-inch, 2-way female NPT (FNPT) UNIMIZER pressure-independent control valve with a flow coefficient (Cv) of 2.6. Engineered for hydronic HVAC systems, the UNIMIZER series combines a pressure-independent flow-limiting cartridge with a modulating control valve in a single compact body — eliminating the need for separate balancing valves and simplifying system commissioning.
Key Features
- 1/2″ female NPT (FNPT) end connections for straightforward pipe installation
- 2-way valve configuration for on/off or modulating flow control
- 2.6 Cv flow coefficient for precise hydronic flow management
- Pressure-independent design maintains set flow rate regardless of system pressure fluctuations
- Integrated flow-limiting cartridge eliminates the need for a separate circuit setter or balancing valve
- Compact, single-body construction reduces installation time and material costs
- Compatible with a wide range of Griswold and industry-standard actuators
- Suitable for heating and cooling hydronic applications
Product Specifications
- Brand: Griswold Controls
- Model / SKU: UR2A4FB-2
- Valve Type: UNIMIZER Pressure-Independent Control Valve
- Configuration: 2-Way
- Connection Type: Female NPT (FNPT)
- Pipe Size: 1/2″
- Flow Coefficient (Cv): 2.6
Applications
- Variable air volume (VAV) and fan coil unit hydronic circuits
- Chilled water and hot water distribution systems
- Commercial and industrial HVAC hydronic piping
- Building automation and energy management systems requiring precise flow control
The Griswold Controls UNIMIZER valve series is a trusted solution for engineers and contractors seeking reliable, self-balancing hydronic control. By maintaining a constant differential pressure across the valve seat, the UR2A4FB-2 ensures consistent coil performance and optimal energy efficiency throughout the life of the system.
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