Description
The Johnson Controls VG1245AG is a high-quality two-way ball valve engineered for precise flow control in commercial HVAC hydronic systems. Featuring a forged brass body and stainless steel trim, this valve delivers exceptional durability and corrosion resistance in demanding heating and cooling applications.
Product Overview
Designed for use with Johnson Controls actuators, the VG1245AG provides reliable, repeatable equal percentage flow characteristics that allow for accurate modulating control of water and glycol solutions. The 1/2″ NPT connections make installation straightforward in standard piping configurations, while the 4.7 Cv flow coefficient ensures proper system sizing for a wide range of hydronic applications.
Key Features
- 1/2″ NPT end connections for easy installation
- 4.7 Cv flow coefficient for accurate system sizing
- Two-way, equal percentage flow characteristic for precise modulating control
- Forged brass body for superior strength and durability
- Stainless steel trim for enhanced corrosion resistance
- Compatible with Johnson Controls VG-series actuators
- Suitable for hot water, chilled water, and glycol solution service
Equal Percentage Flow Characteristic
The equal percentage flow characteristic of the VG1245AG means that equal increments of valve travel produce equal percentage changes in flow. This provides excellent controllability across a wide range of load conditions, making it the preferred choice for HVAC hydronic heating and cooling coil applications where precise temperature control is critical.
Construction & Materials
- Body Material: Forged Brass
- Trim Material: Stainless Steel
- Connection Type: NPT (National Pipe Thread)
- Valve Size: 1/2″
- Valve Type: Ball Valve, Two-Way
- Flow Characteristic: Equal Percentage
- Cv Rating: 4.7
Typical Applications
- Commercial HVAC hydronic heating and cooling systems
- Fan coil unit control
- Air handling unit coil control
- Building automation and energy management systems
- Variable flow hydronic distribution systems
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