Description
The Honeywell VCZAL3400 is a 3/4″ NPT two-way cartridge cage valve engineered for reliable flow control in hydronic heating and cooling systems. With a 3.9 Cv flow coefficient and a rugged bronze body, this valve delivers dependable performance in demanding commercial and light-industrial HVAC applications.
Fluid Compatibility
Designed for use with chilled water and hot water systems, the VCZAL3400 also supports fluid mixtures containing up to 60% glycol, making it an excellent choice for freeze-protection applications and year-round hydronic systems.
Construction & Materials
- Bronze body for corrosion resistance and long service life
- Stainless steel stem for durability and reliable actuation
- EPDM O-ring seals for compatibility with water and glycol solutions
- 60 lb. closeoff pressure rating for positive shutoff performance
Design & Actuation
The cartridge cage design simplifies installation and serviceability. This valve is specifically designed for use with a proportional, non-fail-safe VC style actuator, providing precise modulating control suited for variable flow hydronic systems.
Key Specifications
- SKU: VCZAL3400
- Connection Size: 3/4″ NPT
- Valve Configuration: Two-way
- Flow Coefficient (Cv): 3.9
- Body Material: Bronze
- Stem Material: Stainless Steel
- Seal Material: EPDM O-rings
- Closeoff Pressure: 60 PSI (60#)
- Compatible Fluids: Chilled water, hot water, glycol solutions up to 60%
- Actuator Compatibility: Proportional non-fail-safe VC style actuator
Applications
- Fan coil units
- Air handling units
- Chilled water and hot water coil control
- Hydronic systems with glycol freeze protection
- Commercial building automation and modulating control systems
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