Commercial Building Controls : Pneumatic Products : Pneumatic Valves : VP522 : VP522A1005/U
Three-way mixing, unitary water valve with 1/2 in. O.D. and 1.5/1.5 Cv capacity
Overview
Three-pipe, sequencing, pneumatically operated water valve for controlling both hot and cold water flow in fan-coil and induction units. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Features
- Corrosion resistant.
- Molded-in composition discs for tight shutoff.
- Flare connections for easy installation.
- Operator rotates 360 degrees for convenient air piping alignment.
Product Specifications
- Dimensions (in.)
- 9 7/8 in. high x 5 1/8 in. diameter
- Dimensions (mm)
- 257 mm high x 130 mm diameter
- Temperature Range (F)
- 35 F to 250 F; Maximum Actuator Temperature--160 F
- Temperature Range (C)
- 2 C to 121 C; Maximum Actuator Temperature--71 C
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Connection Size (in.)
- O.D.: 1/2 in.; Nominal: 3/8 in.
- Connection Type
- 45 deg. SAE flare
- Body Pattern
- Three-way Mixing
- Spring Range (psi)
- 3 psi to 11.5 psi
- Spring Range (kPa)
- 21 kPa to 79 kPa
- Air connections
- 1/8 in. NPT
- Capacity (Cv)
- Port A: 1.5 Cv, Port B: 1.5 Cv
- Capacity (Kv)
- Port A: 1.3 Kv, Port B: 1.3 Kv
- Valve Action
- Proportional/Sequencing
- Valve Type
- Unitary
- Body Pressure (psi)
- 250 psi
- Body Pressure (kPa)
- 1724 kPa
- Maximum Diaphragm Pressure (psi)
- 25 psi
- Maximum Diaphragm Pressure (kPa)
- 172 kPa
- Controlled Fluid
- Water
- Close-off Ratings at Branch Line Pressure
- 50 psid at 13 psi
