Product Description
Electric Actuators Control Valves
Features
- Suitable in building and process engineering for various mediums 0...+200°C
- Suitable with stuffing box extension or stem seal with stainless steel bellow to –10...+350°C and for valves made of stainless steel to –30...+350°C
- Suitable with stem heater for water with antifreeze compounds down to –10°C and for valves made of stainless steel to –30
- Microprocessor controlled
- Automatic self-calibration on start up
Technical data valve
| Series | BR2 / BR3 |
| Form | Two-way / Three-way |
| Diameter nominal | DN 15 – DN 300 |
| Pressure rating | PN 16 – PN 40 |
| Body | Cast iron (EN-JL1040) / Spheroidal graphite (EN-JS1024) / Cast steel (1.0619+N) / Stainless steel (1.4408) |
| Stroke [mm] | 20 – 80 |
| Rangeability | ≥ 50:1 |
Function: BR216/225/240S/240E as two-way valve
BR316/325/340S/340E as mixing valve or
BR316/325/340S/340E as diverting valve with reduced closing pressure
Face to face dimension: Acc. EN 558-1 basic series 1
Leakage rate: EN 1349 – seat-leakage IV L1 (≤ 0.01% of kvs-value)
Stem sealing:
| O-rings made of EPDM | 0...+180°C | chilled and hot-water with max. 50% antifreeze and anti-corrosive compounds: glycol, ethylene glycol, mono ethylene, ethanol, methyl alcohol, glycerine, antifrogen ® N+L |
| O-rings made of FKM | 0...+200°C | media based on mineral oil |
| O-rings made of Fluoraz® | 0...+200°C | hot water, steam and oil |
| PTFE-lip-rings | 0...+200°C | hot water, steam and oil |
| Graphite-Packing | 0...+350°C | hot water, steam and oil |
Technical data actuator
| Actuating time s/mm | 0.4 – 6 (with adjustable time option) |
| Actuating thrust kN | 0.6 to 25 |
| 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 |
| Enclosure protection | IP 54 |
