Overview
Normally-open, single-seated pneumatic radiator valve, with straight through or angle body construction provides proportional control of two-pipe, hot water or steam systems. Replacement devices are available for most models.
Features
Available in several capacities and spring ranges for various application requirements.Easily replaceable actuator assembly for convenience of service.Compact size for installation where space is limited.Can be repacked without shutting down system.
- Dimensions (in.) : 4 7/8 in. high x 3 3/4 in. wide
- Dimensions (mm) : 124 mm high x 92 mm wide
- Temperature Range (F) : 40 F to 240 F, Maximum Safe Actuator Diaphragm Temperature--230 F
- Temperature Range (C) : 4 C to 116 C, Maximum Safe Actuator Diaphragm Temperature--110 C
- Includes : 2-5 psi spring is packed in box
- Comments : Replacement for VP525A1077 and VP525A1416
- Operating Humidity Range (% RH) : 5 to 95% RH
- Connection Size (in.) : 1/2 in.
- Connection Type : NPT- Straight Male Union
- Body Pattern : Two-way
- Spring Range (psi) : 3 psi to 10 psi
- Spring Range (kPa) : 21 kPa to 69 kPa
- Air connections : Push on for 1/4 in. O.D. plastic tubing
- Capacity (Cv) : 2 Cv
- Capacity (Kv) : 1.73 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 : Steam,Water
- Close-off Ratings at Branch Line Pressure : 110 psid (759 kPa) at 20 psi (138 kPa)
