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Negative Pressure Units

(Sale & Rental)

Here you will find negative pressure devices with filtration for safe pollution control. We carry modern plastic devices from SMH and the stainless-steel version from Kähler. Of course, we have all the necessary accessories available, such as all filters and spiral hoses

Übersicht Unterdruckhaltegeräte
Unterdruckhaltegerät, Unterdruckmessgerät
NPU 2500+
Negative pressure device including casing without weld powerful motor, high particle filtration

Technical specifications
Casingmolded polyethylene, weldless, available in different colours
Airflow2750 m3/h (average), 1619 CFM (average), continuously adjustable
Noise level⟨ 86 dbA at a measurement 1 m
Electrics1 x High capacity motor that can be operated with a single phase at 110 / 120V-50Hz or with a 220 / 240V-50Hz supply, Maximum input 1 kW, 110v: MCB protected, 230v: RCBO protected
Filter1 x Pre-filter (450x450x98 mm), 1 x H14 HEPA-Filters with an efficiency of 99.995% at 0.3 microns (457x457x292 mm)
Wight46 kg
Optional extrasAir flow monitor, variable flow controller, hour counter (standard for 230 V devices)
SCOPE OF DELIVERY
Manometer✓
MCB 16 Ampere✓
Backflow flap✓
Inlet socket 110v✓
Inlet socket 230v✓
Motor mounting plate✓
110v Engine✓
230v Engine✓
Braked swivel castor✓
UHG housing✓
Swivel castor✓
HEPA-Filter✓
HEPA-Pressure plate✓
Pre-filter✓
Front panel✓
Center clamps✓
Unterdruckhaltegerät, Unterdruckmessgerät
NPU 5000+
Negative pressure device including casing without weld, powerful motor, high particle filtration

Technical specifications
Casingmolded polyethylene, sweat-free, available in different colours
Airflow5500 m³/h (average), 3190 CFM (average), continuously adjustable
Noise level⟨ 86 dbA for a measurement at 1 m
Electrics2 x high-capacity motors that can be operated single-phase with 110 / 120V-50Hz or with a 220 / 240V-50Hz supply, maximum input 1 kW, 110v: MCB-protected, 230v: RCBO-protected
Filter1 x pre-filter (450x450x98 mm), 1 x H14 HEPA filter with an efficiency of 99.995% at 0.3 micron (457x457x292 mm)
Wight65 kg
Optional extrasAir flow monitor, variable flow regulator, Hour counter (standard for 230 V devices)
SCOPE OF DELIVERY
Manometer✓
MCB 16 Ampere✓
Backflow flap✓
Inlet socket 110v✓
Inlet socket 230v✓
Motor mounting plate✓
110v Engine✓
230v Engine✓
Braked swivel castor✓
UHG housing✓
Swivel castor✓
HEPA-Filter✓
HEPA-Pressure plate✓
Pre-filter✓
Front panel✓
Centre clamps✓
NPU 10000 Unterdruckhaltegerät
NPU 10000
An extremely compact negative pressure device with a capacity of 10.00 m³/h. The NPU 10,000 also fits through most doors and elevators and is very mobile

Technical specifications
Casingwelded polypropylene, available in different colours
Airflow10,000 m³/h (average), 5890 CFM (average), continuously adjustable
Electrics3 x engine with high capacity: 230V with a maximum consumption of 3kW at 2 x 230V with 16A or alternatively 400V with 1 x 400V three-phase with 16A
Filter1 x pre-filter (915x610x100 mm), 1 x H14 HEPA filter with an efficiency of 99.995% at 0.3 micron (915x610x292 mm)
Wight165 kg
Optional extrasAir flow monitor, variable flow controller, hour counter (standard for 230 V devices)
SCOPE OF DELIVERY
Manometer✓
MCB 16 Ampere✓
Backflow flap✓
Inlet socket 230V/400v✓
Motor mounting plate✓
230V/ 400V Engine✓
Braked swivel castor✓
UHG housing✓
Swivel castor✓
HEPA-Filter✓
HEPA-Pressure plate✓
Pre-filter✓
Front panel✓
Centre clamps✓
Kähler Unterdruckhaltegerät UHH 600
Kähler negative pressure device KES-FA 600
Negative pressure device with stainless steel housing, powerful motor, high particle filtration

Technical Specifications
Casingstainless steel
Dimensionapprox. 750 x 320 x 1000 mm
Performancemax. 600 m³/h (air)
Nominal voltage230 V / 50 Hz
Wightapprox. 40 Kg (including filter)
Intake manifold4 x with throttle valve D 100 mm
Outlet port1 x D 250 mm
SCOPE OF DELIVERY
4 handles✓
Pressure measuring device✓
Rotary power switch (stepless)✓
Operating control light (green)✓
Three-stage filter system✓
Primary filter: (300 x 600 x 20) mm✓
Secondary filter: (292 x 592 x 47) mm✓
Absolute filter: (305 x 610 x 292) mm✓
EQUIPMENT
Suction hose with D 100 mm, length 10 moptional
Exhaust air hose with D 254 mm, length 10 moptional
Clearance measurement according to TRGS 519 Section 7.3optional
Kähler Negative pressure device KES-FA 3000 K
Negative pressure device with stainless steel housing, powerful motor, high particle filtration

Technical specifications
Casing1 mm stainless steel 1.4301
Dimensionapprox. 950 x 730 x 850 mm
Performancemax. 3000 m³/h (air)
Nominal voltage230 V / 50 Hz
Power consumption10,8 A, 2,4 KW
Wightapprox. 70 Kg
Intake manifoldNozzle with 356 mm diameter
Outlet portNozzle with 356 mm diameter
Filter box700 x 700 x 610 mm
SCOPE OF DELIVERY
4 handles✓
4 heavy-duty castors✓
Operating hours counter✓
Acoustic / optical alarm / operating control lamp✓
Pressure gauge✓
ON / OFF start switch✓
5-stage speed controller✓
Primary filter: (610 x 610 x 25) mm✓
Secondary filter: (610 x 610 x 51) mm✓
Absolute filter: (610 x 610 x 292) mm✓
Unterdruckhaltegerät Kähler Unterdruckhaltegerät KES FA 6000
Kähler Negative pressure device KES FA 6000
Negative pressure device with stainless steel housing, powerful motor, high particle filtration

Technical specifications
CasingGround stainless steel 1.4301
Dimensionapprox. 930 x 760 x 1240 mm
Performancemax. 6000 m³/h (air) – Adjustable in 5 levels
Nominal voltage400 V / 50 Hz
Drive1 blower – 5.1 kW (with motor protection)
Power consumption11 A
Wightapprox. 80 Kg
Filter casingSheet steel 1 mm, galvanized
Filter box1470 x 705 x 805 mm
SCOPE OF DELIVERY
4 handles per device and filter unit✓
4 heavy-duty swivel castors✓
suction nozzle device – 1 x D 356 mm✓
outlet nozzle device – 1 x D 450 mm✓
nozzle on filter unit – 1 x D 356 mm✓
Suction hose 1 x 5m – D 356 mm✓
Primary filter: 2 pieces each (610 x 610 x 25) mm✓
Kähler Unterdruckhaltegerät KES FA 12000
Kähler Negative pressure device KES FA 12000
Negative pressure device with stainless steel housing, powerful motor, high particle filtration

Technical specifications
CasingGround stainless steel 1.4301
Dimensionapprox. 1360 x 760 x 1240 mm
Performancemax. 12.000 m³/h (air) – Adjustable in 5 levels
Nominal voltage400 V / 50 Hz
Drive1 blower – 9.1 kW (with motor protection)
Power consumption17,8 A
Wightapprox. 200 Kg
Filter casingSheet steel 1 mm, galvanized
Filter box1470 x 705 x 805 mm
SCOPE OF DELIVERY
4 handles per device and filter unit✓
4 heavy-duty swivel castors✓
suction nozzle device – 2 x D 356 mm✓
outlet nozzle device – 1 x D 450 mm✓
nozzle on filter unit – 1 x D 356 mm✓
Suction hose 2 x 5m – D 356 mm✓
Primary filter: 4 pieces each (610 x 610 x 25) mm✓
Secondary filter: 4 pieces each (610 x 610 x 51) mm✓
Absolute filter: 4 pieces each (610 x 610 x 292) mm✓
Filter fleece
on roll, polyester, white, Dimensions: 0.61 x 20 m, thickness: 21 mm
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