For high/low control of air to industrial burners, closed when deenergized
- DN 40
- Rp-internal thread
- pu max. 150 mbar
- Slow opening, slow closing
- Mains voltage 220/240 V AC, 50/60 Hz
- Terminal box with terminals, IP 54
- Screw plug in inlet and outlet
- With flow rate adjustment
- Bypass bore 7.0 mm
