The valve has four options: SRQ2d ½ ; SRQ2d ¾ ; SRQ3d ½ oraz SRQ3d ¾
The ON/OFF valve with electric actuator, installed on the return pipe of heat exchanger. It can cut off the flow of heating medium.
| SRQ2d 1/2 | SRQ2d 3/4 | SRQ3d 1/2 | SRQ3d 3/4 | |
|---|---|---|---|---|
| Power supply | AC 230 V,50/60 Hz | AC 230 V,50/60 Hz | AC 230 V,50/60 Hz | AC 230 V, 50/60 Hz |
| Power consumption | 6,5 W | 6,5 W | 6,5 W | 6,5 W |
| Electric connection | cable50 cm, 3 x 0,75 mm2 | cable 50 cm, 3 x 0,75 mm2 | cable50 cm, 3 x 0,75 mm2 | cable 50 cm, 3 x 0,75 mm2 |
| Protection deegree | IP20 | IP20 | IP20 | IP20 |
| Ambient temperature range | 0…+ 60°C | 0…+ 60°C | 0…+ 60°C | 0…+ 60°C |
| Medium temperature range | +2…+ 93°C (inside valve) | +2…+ 93°C (inside valve) | +2…+ 93°C (inside valve) | +2…+ 93°C (inside valve) |
| Kvs | 3,0 m3/h | 6,5 m3/h | 3,4 m3/h | 6,5 m3/h |
| DN | 15 mm | 20 mm | 15 mm | 20 mm |
| Hydraulic connection | 1/2 " | 3/4 " | 1/2 " | 3/4 " |
| Permissible pressure ps | 21 | 21 | 21 | 21 |
| Closing pressure delta ps | 2,0 bar | 1,3 bar | 2,0 bar | 1,3 bar |
| Running time - motor | mniej niż 18 s | mniej niż 18 s | mniej niż 18 s | mniej niż 18 s |
| Running time - return spring | mniej niż 5 s | mniej niż 5 s | mniej niż 5 s | mniej niż 5 s |
| Mass | 0,75 kg | 0,90 kg | 0,80 kg | 0,95 kg |
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| Technical Documentation | pobierz |
