Diaphragm pressure switches with micro switch (silicone-free) for monitoring gas pressures on industrial installations, for gas and air, also suitable for biologically produced methane, with hand wheel for switching point adjustment, suitable for use as special-design pressure switches, EC type-tested and certified pursuant to the Gas Appliances Directive (90/396/EEC), the Low Voltage Directive (2006/95/EC) and the Pressure Equipment Directive (97/23/EC) in conjunction with EN 1854.
Switching ranges: 0.4 to 500 mbar.
DG..B for positive pressure,
DG..U for positive pressure, negative pressure and differential pressure,
DG..H locks off with rising pressure,
DG..N locks off with falling pressure,
DG..I for negative gas pressure.
Electrical connection: terminals with M16x1.5 cable gland or standard plug with socket.
The following versions are available:
Pressure switch with gold-plated contacts for voltages of < 24 V,
Pressure switch with pilot lamp,
Pressure switch DG..BS with diaphragm for oxygen and ammonia (not for fuel gas),
Pressure switch with external adjustment.