Liquid level switch BM 34 For use in potentially hazardous environments.
Operating principle: A float guided on a non-magnetic tube follows the level of the liquid surface, thereby actuating up to 6 reed contacts, monostable or bistable, inside the tube via a built-in magnet system.

Special features
Protection category IP 56, equivalent to NEMA 3
Process temperature–200 … +300°C /
–328 … +572°F
Length (guide tube) 0.3 – 6 m (1 – 19.7 ft)
Connection flange DN 40 – DN 150/PN 6 – PN 40
1"– 6" 150/300 lb/RF
The max operationg pressure 40bar / 580 psig