The UNIT VENT VALVE is engineered for optimal airflow management in HVAC systems. This valve is constructed from high-quality materials to ensure durability and reliability. Its design allows for easy integration into existing systems, making it a versatile choice for both new installations and retrofits. The valve operates efficiently under various pressure conditions, ensuring consistent performance. Ideal for commercial and industrial applications, it meets relevant industry standards for safety and efficiency.
Commercial Building Controls : Pneumatic Products : Pneumatic Valves : VP512 : VP512A1767/U
Unit Vent Valve, 16 Cv
Overview
Normally open, single seated, straight-through or angle globe valve, for proportional control of steam/hot water in unit ventilator applications. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Features
- Equal percentage, high lift throttling guide provides accurate control over wide load variations.
- Molded replaceable composition disc for tight shut-off.
- Replaceable brass seat.
- Self-adjusting, spring-loaded Teflon packing.
- Back-seating allows repacking without shutting down or draining system.
- Rotatable actuator for aligning air connection with control air piping.
- Integral union connection to simplify installation and service.
Product Specifications
- Dimensions (in.)
- 5 1/8 in. diameter x 7 11/16 high
- Dimensions (mm)
- 127 mm diameter x 195 mm high
- Temperature Range (F)
- For Steam: 212 F to 275 F; For Water: 115 F to 240 F; Maximum Actuator Temperature--160 F; Maximum Temperature Differential 140 F for Water
- Connection Size (in.)
- 1 1/4 in.
- Connection Type
- Outlet - External NPT Union,Inlet - Internal NPT
- Body Pattern
- Two-way, Straight-through
- Spring Range (psi)
- 3 psi to 8 psi
- Spring Range (kPa)
- 21 kPa to 55 kPa
- Air connections
- Dual barbed for 5/32 in. or 1/4 in. plastic tubing
- Capacity (Cv)
- 16 Cv
- Capacity (Kv)
- 13.7 Kv
- Valve Action
- Proportional Normally Open
- Valve Type
- Globe Valve
- Body Pressure (psi)
- 150 psi
- Maximum Diaphragm Pressure (psi)
- 25 psi
- Maximum Diaphragm Pressure (kPa)
- 172 kPa
- Controlled Fluid
- Steam,Water
- Close-off Ratings at Branch Line Pressure
- 40 psi at 13 psi
