Description
Product Overview
The Belimo B249VS+GMX24MFTX1 is a complete valve and actuator assembly engineered for demanding commercial HVAC and hydronic applications. This factory-matched combination pairs a 2-inch NPT, 2-way brass body valve featuring stainless steel trim with a heavy-duty non-spring-return rotary actuator, delivering reliable flow control in heating and cooling systems.
Valve Specifications
- Valve Size: 2″ (2-inch)
- Connection Type: NPT (National Pipe Thread)
- Configuration: 2-Way
- Body Material: Brass
- Trim Material: Stainless Steel
- Flow Coefficient (Cv): 108
Actuator Specifications
- Actuator Model: GMX24MFTX1
- Actuator Type: Non-Spring Return, Rotary
- Torque Rating: 360 in-lb
- Power Supply: 24 VAC / 24 VDC
- Control Inputs: 4–20 mA (500 Ohm input impedance), PWM (1500 Ohm input impedance), Floating Point, and On/Off
Key Features & Benefits
- Factory-matched valve and actuator assembly for simplified installation and guaranteed compatibility
- Brass valve body offers excellent corrosion resistance and durability in hydronic systems
- Stainless steel trim provides long service life and tight shutoff performance
- High Cv of 108 supports high-flow commercial applications
- 360 in-lb non-spring-return actuator delivers robust, reliable positioning force
- Multi-signal compatibility — accepts 4–20 mA, PWM, floating point, and On/Off control signals for maximum system flexibility
- Operates on 24 VAC or 24 VDC power supply for easy integration with standard BAS and DDC controllers
- Ideal for chilled water, hot water, and condenser water applications in commercial buildings
Applications
- Commercial HVAC air handling units (AHUs)
- Chilled water and hot water coil control
- Building automation and direct digital control (DDC) systems
- Hydronic heating and cooling distribution systems
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