The Barber Colman VB-7253-0-4-05 is a 3/4-inch, two-way globe valve designed for precise flow regulation in HVAC and process control systems. With a bronze body and stainless steel trim, this valve provides durability and corrosion resistance in a wide range of applications. It features a linear flow characteristic with a Cv rating of 5.5 and operates in a stem-up-to-open configuration. The NPT threaded connections allow for secure integration into standard piping systems.
Replaced by – VB-7253-0-4-5
Technical Specifications
- Model: VB-7253-0-4-05
- Valve Type: Two-way globe
- Connection Size: 3/4 inch NPT
- Flow Characteristic: Linear
- Flow Coefficient (Cv): 5.5
- Body Material: Bronze
- Trim Material: Stainless steel
- Stem Action: Stem up to open
- Mounting Position: Typically upright, per actuator compatibility
Key Features
- Durable bronze body with corrosion-resistant stainless steel internal trim
- Linear flow characteristic for accurate modulation
- 3/4-inch NPT connections for standard threaded pipe installations
- Stem-up-to-open action for compatibility with Barber Colman actuators
- Suitable for water or glycol mixtures in HVAC and industrial systems
Compatible Components & Accessories
- Barber Colman or Schneider Electric valve actuators (pneumatic or electronic)
- Thermostatic or electronic controllers
- HVAC control panels and energy management systems
- Piping systems using threaded NPT connections
Industry Applications
- Commercial HVAC water flow control
- Chilled and hot water loops
- Terminal unit control in air handling systems
- Industrial fluid handling requiring tight shutoff and modulation
- Process control applications in light manufacturing
Installation & Maintenance Notes
- Install with flow direction matching the arrow on the valve body
- Ensure stem orientation (stem up) is maintained for proper actuator operation
- Apply appropriate thread sealant on NPT connections during installation
- Regularly inspect for leakage or wear on stem packing and valve seat
- Select compatible actuator based on control signal and required force
3/4 VLV
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