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NBC Air Filtration Unit
OUTSIDE 35 C
HUMIDITY 90%
22º C
Inside
PROVIDED BY
HEINEN & HOPMAN
Heating
Ventilation
Air Conditioning
Refrigeration
INTRODUCTION
Naval vessels have to operate now a day more and more
under the threat of an attack by TIC’s and TIM’s. To be
able to operate under these circumstances without
being contaminated, reliable NBC filter systems are of
the essence. With our NBC filter units, provided with
STANAG4447 filter elements, in combination with our
overpressure controllers, a safe operating
environment (citadel) is created, ensuring
the optimal performance of the crew and
electronic equipment. Our NBC filter units
are available in a capacity range of 900 up to
1800m3/h.
APPLICATION
Our nuclear, biological and chemical (NBC) filtration system provides clean filtered fresh air, free from
NBC contaminates in an over pressure citadel. Three levels of filtration (coalescer, dust, and composite
filtration) is applied to incoming air before being supplied to the citadel. The over pressure citadel
removes the need for occupants to wear gas masks and protective clothing during NBC attacks. Two
modes of operation allows clean fresh air to be supplied during peace time, or conventional combat times,
and filtered fresh air during NBC warfare.
The control system constantly compares inside and outside pressures, and should the citadel
pressurization fail, provide a visual and/or audible warning.
The NBC filter unit is designed for external installation to citadels with a supply duct to the citadel interior.
The NBC control unit is designed to be installed internally within the citadel covering the air duct to diffuse
air entering the citadel. When the NBC filter unit is operational the unit is designed as a fail-safe system,
i.e. should the unit sustain damage or an air seal leak, then clean air will leak out of the unit rather than
contaminated air being drawn in.
KEY FEATURES
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Unique innovative design;
Smart and powerful NBC / TIM Filter clamping system;
Easy service and maintenance access;
Compact and lightweight;
Completely closed system;
Doors equipped with end switches
Analyzed for gas tightness, shock, vibration and EMC;
High shock resistance. Up to 60g vertical
Design according NATO standard;
Design according STANAG 4447;
NBC Filter capacity 900, 1200 and 1800m³/h.
FUNCTIONING
AFU 1800 & AFU 1200
Technical Data AFU-1800 50Hz / 60Hz
Air quantity
1.800m3/h
Pst
1.000Pa
Execution
SS316L
Filters
6pcs
Power supply fan
3x380V-50Hz / 3x440V-60Hz
Rated power
4.0kW / 4.8kW
Power supply heater
3x380V-50Hz / 3x440V-60HZ
Capacity
10kW
Power supply valves
1x230V-50Hz / 1x230V-60Hz
Weight (incl. NBC filters)
1.350kg
Weight (excl. NBC filters)
1.170kg
Control panel (separate delivery)
760x760x300mm
Technical Data AFU-1200 50Hz / 60Hz
Air quantity
1.200m3/h
Pst
1.000Pa
Execution
SS316L
Filters
4pcs
Power supply fan
3x380V-50Hz / 3x440V-60Hz
Rated power
4.0kW / 4.8kW
Power supply heater
3x380V-50Hz / 3x440V-60HZ
Capacity
10.5kW
Power supply valves
1x230V-50Hz / 1x230V-60Hz
Weight (incl. NBC filters)
1.350kg
Weight (excl. NBC filters)
1.170kg
Control panel (separate delivery)
760x760x300mm
AFU 900
Technical Data AFU-900 50Hz / 60Hz
Air quantity
900m3/h
Pst
1.000Pa
Execution
SS316L
Filters
3pcs
Power supply fan
3x380V-50Hz / 3x440V-60Hz
Rated power
2.6kW / 3.12kW
Power supply heater
3x380V-50Hz / 3x440V-60HZ
Capacity
10.5kW
Power supply valves
1x230V-50Hz / 1x230V-60Hz
Weight (incl. NBC filters)
900kg
Weight (excl. NBC filters)
810kg
Control panel (separate delivery)
760x760x300mm
Alternatives available on request.
Owing to continued product development Heinen Hopman reserves the right to introduce alternations without prior notice.
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