Johnson Controls VG1241AF Valve

The Johnson Controls VG1241AF Valve is a 1/2-inch, two-way threaded NPT ball valve engineered for precise flow control in commercial HVAC systems. This 2.9 Cv control valve features a high-grade forged brass body and plated brass trim, specifically designed to regulate the flow of hot water, chilled water, or 50% glycol solutions. Utilizing an integrated Amodel flow characterizing disk, the unit ensures equal percentage flow characteristics, providing stable temperature control even in systems with fluctuating pressure. With a 580 psig static pressure rating and a 200 psid close-off capability, this valve is a reliable choice for hydronic applications requiring tight shutoff and high rangeability.

For technicians and contractors, the VG1241AF offers a maintenance-free design with a blowout-proof stem and graphite-reinforced PTFE seats, capable of enduring 200,000 cycles even in iron-oxide contaminated water. This model is intended for use with M9000 and VA9000 series actuators, providing flexibility for factory or field mounting. The 1/2" NPT connections ensure a standard fit for most commercial HVAC piping layouts without the need for specialized adapters. Please note that this specific configuration is optimized for non-potable water applications and is widely used for terminal unit control and reheat coils.

• Precise Modulation: Features an Amodel flow characterizing disk to maintain consistent equal percentage flow.
• High Pressure Handling: Rated for up to 580 psig static pressure and 200 psid close-off for secure operation.
• Durable Construction: Forged brass body with chrome-plated brass ball and nickel-plated stem ensures long-term service.
• Leak-Free Performance: Dual EPDM O-rings provide a robust stem seal tested for high-cycle longevity.
• Actuator Compatibility: Designed for seamless integration with Johnson Controls M9000 and VA9000 electric actuators.

What is the maximum fluid temperature for the VG1241AF?
This valve is rated for fluid temperatures ranging from 23?F to 203?F (-5?C to 95?C) in water and glycol systems.

Can this valve be used for steam applications?
The models with brass trim (like the VG1241AF) are not rated for steam; stainless steel trim models are required for 15 psig steam service.

Is the actuator included with this part number?
The VG1241AF part number typically refers to the valve body only. Actuators must be sourced separately based on the specific control signal requirements.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.