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
