For high/low control of air to industrial burners, closed when deenergized
- DN 50
- Rp-internal thread
- pu max. 150 mbar
- Slow opening, slow closing
- Mains voltage 24 V DC
- Terminal box with standard socket 3-pin, IP 54
- Screw plug in inlet and outlet
- With flow rate adjustment
- Bypass bore 3.0 mm
