certified according to the NFPA 496: Class I, Division I standard
Features
Explosion protection type pressurized enclosure: makes it possible to operate "non-Ex-approved" devices in hazardous areas.
The F850U pressurized enclosure system consists of at least the FS850U control unit and a solenoid valve. Both components can be installed inside or outside the Ex p-housing.
Patented regulation of the internal housing pressure (patent DE 0004418158)
First system with proportional working pressure and flow sensors.
Type code
Control unit FS850U
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Mains:
110 - 120 VAC
.3
Flow orifice plate:
6 mm, range 1,1...2,7 m 3 /h
10mm range 2,5 ...6,5 m 3 /h
14 mm range 6 ...11 m 3 /h
18 mm, range 9 ...15 m 3 /h
.2
.4
.6
.8
Alarm contact
.1
Further voltages and pressure ranges on demand
Accessories: Inspection window in the housing of the FS850U control unit
