Description
The KMC Controls VEZ-4103AMBM is a 3/4-inch, 2-way normally open (NO) zone valve engineered for precise hydronic and HVAC water system flow control. Featuring a 4.1 Cv flow coefficient and a 24V actuator with spring return (S/R) fail-safe operation, this valve automatically returns to its normally open position upon loss of power — ensuring system safety and continuity in critical building automation and hydronic applications.
Designed for commercial and light industrial HVAC systems, the VEZ-4103AMBM integrates seamlessly into building automation systems (BAS), fan coil units, air handling units, and chilled or hot water distribution systems. The spring return mechanism provides reliable fail-safe positioning without the need for additional controls, making it a trusted choice for engineers and contractors who demand dependable performance.
Key Features
- 3/4″ pipe size for standard hydronic system compatibility
- 2-way valve configuration for on/off or modulating flow control
- 4.1 Cv flow coefficient for optimized water flow performance
- Normally Open (NO) fail-safe position — opens on loss of power
- 24V actuator voltage for compatibility with standard BAS and HVAC controls
- Spring Return (S/R) actuator for automatic fail-safe positioning
- Designed for chilled water, hot water, and hydronic HVAC applications
- Suitable for fan coil units, air handling units, and zone control systems
Specifications
- Brand: KMC Controls
- Model / SKU: VEZ-4103AMBM
- Pipe Size: 3/4″
- Valve Configuration: 2-Way
- Flow Coefficient (Cv): 4.1
- Fail-Safe Position: Normally Open (NO)
- Actuator Voltage: 24V
- Actuator Type: Spring Return (S/R)
Applications
- Commercial and light industrial hydronic systems
- Fan coil unit (FCU) flow control
- Air handling unit (AHU) coil control
- Chilled water and hot water distribution
- Building automation system (BAS) integration
- Zone control in multi-zone HVAC systems
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