Overview
Normally-open, single-seated valve provides proportional control of steam or hot or cold water in terminal units. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Features
- Available in several capacities and spring ranges for various application requirements.
- Easily replaceable actuator assembly for convenience of service.
- Compact size for use inside most unit enclosures.
Product Specifications
- Dimensions (in.)
- Pipe centerline to top of actuator: 3 1/2 in. Face-to-face: 3 1/32 in.
- Dimensions (mm)
- Pipe centerline to top of actuator: 89 mm; Face-to-face: 77 mm
- Temperature Range (F)
- 40 F to 240 F (140 F max difference, alternating hot and cold water service); Maximum Safe Actuator Diaphragm Temperature--230 F
- Temperature Range (C)
- 4 C to 116 C (78 K max difference, alternating hot and cold water service); Maximum Safe Actuator Diaphragm Temperature--110 C
- Includes
- 3-10 psi spring is packed in box
- Comments
- Replacement for VP531A1103 and VP531A1111
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Connection Size (in.)
- Nominal: 3/4 in.
- Connection Type
- Solder
- Body Pattern
- Two-way
- Spring Range (psi)
- 2 psi to 5 psi
- Spring Range (kPa)
- 14 kPa to 34 kPa
- Air connections
- Push on for 1/4 in. O.D. plastic tubing
- Capacity (Cv)
- 2.6 Cv
- Capacity (Kv)
- 2.24 Kv
- Valve Action
- Proportional Normally Open
- Valve Type
- Unitary
- Body Pressure (psi)
- 150 psi
- Body Pressure (kPa)
- 1034 kPa
- Maximum Diaphragm Pressure (psi)
- 30 psi
- Maximum Diaphragm Pressure (kPa)
- 205 kPa
- Controlled Fluid
- Water,Steam
- Close-off Ratings at Branch Line Pressure
- 70 psid at 20 psi (with 2 to 5 psi spring)
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