KMC Controls VCZ-4102BMBE Valve

The KMC Controls VCZ-4102BMBE is a professional-grade pneumatic zone control valve engineered for precision regulation in hydronic systems. This 1/2-inch, 2-way globe valve is configured as normally open (N/O), ensuring a fail-safe open position to maintain flow during signal loss. Designed for integration into VAV terminal units, fan coil units, and baseboard radiation, it features a 2.5 Cv flow coefficient that balances rapid response with stable modulation. The integrated pneumatic actuator operates within an 8-13 psi spring range, utilizing a durable neoprene diaphragm and glass-filled nylon housing for long-term field reliability. Its compact footprint is specifically optimized for tight mechanical enclosures where space is at a premium.

• Field-Replaceable Actuator: The actuator can be swapped without tools, significantly reducing labor time during maintenance cycles.
• Fail-Safe Operation: Normally open configuration provides critical protection for heating and cooling loops by ensuring maximum flow upon loss of pilot air.
• Rugged Construction: Features a high-quality brass body and NPT threaded connections for a leak-free seal in demanding commercial environments.
• Versatile Application: Ideal for controlling hot or chilled water in reheat coils, induction units, and cast-iron radiators.

What is the maximum operating pressure for this valve?
The pneumatic actuator is designed for standard control systems, typically handling up to 20-30 psi supply air, while the valve body is rated for standard hydronic system pressures.

Can this valve be used for steam applications?
This specific model is primarily designed for hot or chilled water applications; check the fluid temperature limits before considering it for low-pressure steam use.

Does it require specialized tools for installation?
Standard pipe wrenches are needed for the 1/2" NPT body, but the actuator itself is designed for tool-free attachment to the assembly.

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.