Safety relief valve to eliminate: short-term pressure surges in the control valve, especially upstream of Kromschroeder burners, to avoid unwanted actuation of the safety shut-off valve. a sharp increase in pressure in the event of a gas leak, due to leaking gas pressure regulating devices, is sufficient.
| Тип | Резьба | Ду | bar | Дипазон давления сброса mbar | Маркировка пружин | № по каталогу |
|---|---|---|---|---|---|---|
| VSBV 25R40 | Rp 1 | 25 | 4 | 20 - 40 | красная | 75441805 |
| 35 - 50 | жёлтая | 75441806 | ||||
| 45 - 75 | зелёная | 75441807 | ||||
| 70 - 170* | синяя | 75441808 | ||||
| 165 - 330 | чёрная | 75441809 | ||||
| 320 - 500 | белая | 7544 1810 |