Product Description
HVAC Control Valves
Features
- Suitable for the control of hot and chilled water (0...+150°C) in HEVAC systems control of heating plants.
- Above 130°C valves should only be mounted in the horizontal position.
- With stem heater suitable for water with antifreeze compounds down to –10°C
- Tight shut-off in the closed position
- Microprocessor controlled
- Automatic self-calibration on start up
| Series | BR216RA | BR316RA |
| Form | Two-way | Three-way |
| Diameter nominal | DN 15 + DN 20 | DN 25 – DN 50 | DN 15 + DN 20 | DN 25 – DN 50 |
| Pressure rating | PN 16 | PN 16 |
| Characteristic | equal %-mod. | A→AB equal %-mod. B→AB linear |
| Stroke mm | 12 | 14 | 12 | 14 |
| Rangeability | DN 15: 50:1 DN 20 – 50: 100:1 | DN 15: 50:1 DN 20 – 50: 100:1 |
Function: BR216RA as two-way valve
BR316RA as mixing or on-off valve
Connection type: Body with external thread acc. ISO 228/1 incl. connection parts of malleable cast iron with cylindrical internal thread acc. ISO 7/1, union nuts and gaskets
Leakage rate: EN 1349 – seat-leakage VI G 1 (tight sealing)
Body: Bronze CC491K
Plug: Brass CW614N
Stem: CrMo-steel 1.4122
Stem sealing: O-rings EPDM
Technical data actuator
| Actuating time s/mm | 2.5 – 14 (with adjustable time option) |
| Actuating thrust kN | 0.6 to 10 |
| Stroke | Max. 20 to Max. 60 |
| Input signal (Invertible input and output signal) | 3 point 0 – 10V, 4-20mA |
| Output signal | 0 – 10 V, 4- 20 mA |
