Description
The Honeywell VCZNB7400 is a 1/2″ NPT three-way cartridge cage valve engineered for reliable flow control in chilled water and hot water hydronic systems. Featuring a stem-up-to-close A port configuration and a 2.7 Cv flow coefficient, this valve delivers precise proportional control when paired with a compatible non-fail-safe proportional actuator.
Key Features
- 1/2″ NPT connection for straightforward installation in standard piping systems
- Three-way cartridge cage design for efficient mixing or diverting applications
- Stem-up-to-close A port configuration for accurate proportional flow management
- 2.7 Cv flow coefficient for optimal flow capacity in small-to-medium hydronic circuits
- Compatible with chilled water and hot water systems containing up to 60% glycol
- 60 lb. closeoff pressure rating for dependable shutoff performance
- Bronze body construction for corrosion resistance and long service life
- Stainless steel stem for durability and resistance to wear
- EPDM O-ring seals for reliable, leak-free operation across a wide temperature range
- Designed for use with a proportional non-fail-safe actuator (sold separately)
Specifications
- SKU: VCZNB7400
- Connection Size: 1/2″ NPT
- Valve Type: Three-Way Cartridge Cage
- Port Configuration: Stem Up to Close A Port
- Cv Rating: 2.7
- Media: Chilled Water / Hot Water with up to 60% Glycol
- Closeoff Pressure: 60 PSI
- Body Material: Bronze
- Stem Material: Stainless Steel
- Seal Material: EPDM O-Rings
- Actuator Compatibility: Proportional Non-Fail-Safe Actuator (not included)
Applications
- Commercial HVAC hydronic systems
- Fan coil unit control
- Chilled water and hot water coil control
- Building automation and energy management systems
- Glycol-based heating and cooling loops
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