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In connection with govermental demands regarding system control in extraction units we recommend Gram pressure guard type L.
Gram pressure guard type L registers whether extraction level in unit is sufficient.
Complete solution including:
• Differential pressure switch
• 2 metres pressure hose
• Pressure probe for riveting-on
• Permanent beacon
Gram pressure guard is simple and easy to
mount. Additional 100 permanent beacons
can be connected to ensure that every workplace
receives a signal.
The pressure guard is available in a different
version as filter guard, where the permanet
beacon is not red but orange/yellow due to
The compact differential pressure switch HC
604 follows DIN-norm 3398 and DIN-DVGW
94.01e513. Product with CE-label. An unique
feature is the scaled adjustment knob, which
easily can be adjusted because of graduated
scale in Pa.
Max. pressure: 50mbar
Temperature range (outside): -30° to 75° C
Temperature range (media): -30° to 75° C
Switch load: Max. 4A
Protection rating: IP 54