


SIF
Product Ref: SIF
Description
The extraction fans in the SIF series are sound-insulated and designed for use in central welding fume extraction systems or general filtration systems. 3-22 kW (4.0-30 hp)
The SIF is a central fan with an insulated case made for general filtration- and welding fume extraction systems
The SIF ventilation fans are designed for use as central fans. SIF fans are suitable in fully controlled central welding fume extraction systems or general filtration systems together with central filters such as the MDB or SCS. The SIF fans are available in 5 modules with power rating from 3 to 22 kW. These high-performance fans operate with a low noise level as it is mounted in a sound-absorbing case.
This fan needs a partner in crime
The SIF fan can be attached to the following stationary filter units:
- MDB
Multi Dust Bank with a central filter and a dust barrel for heavy applications.
- SCS
Self-cleaning central filter system for removing fumes released during welding, cutting and grinding processes in the metalworking industry.
Step up your game against welding fumes, dust and oil mist with one of these options
- SIF-700; 3 kW / 4 Hp
- SIF-900; 5,5 kW / 7 Hp
- SIF-1200; 7,5 kW / 10 Hp
- SIF-1500; 11 kW / 15 Hp
- SIF-1800; 15 kW / 20 Hp
- SIF-1900; 18,5 kW / 25 Hp
- SIF-2000; 22 kW / 30 Hp
Features
- Low noise level
- Installation frame for easy installation
- Controllable by frequency inverter
- Direct mounting of duct silencer
Recommended for
- Big general filtration systems
- Extraction system with multiple extraction points
- Removal of welding fumes, oil mist and dust

The SIF is in accordance with the following directives:
- Machine Directive 2006/42 EC
- LVD 2014/35 EU
- ErP Directive 2009/125 EC

Directive 2011/65/EC (RoHS) valid as of 8 June 2011

Certified motor
Specifications
Physical properties
Material:
- fan - steel
- housing - steel with aluminium profiles and corners
Motor design: IEC 132 (WEG)
Discharge position: RD 0
Fan type: radial
Design conditions: 15°C (59°F) at sea level
Performance
Speed of revolutions: 2900 rpm
Noise level according to ISO 3746 (fan without sound absorbing case): refer to Product Data Sheet
Noise reduction of sound absorbing case: approx. 10 dB(A)
Electrical data
Connection voltage: 400-690V/3ph/50Hz
Efficiency level: IE3
Insulation class: F with PTC
Protection class: IP 55
Max. start/stops per hour: 20
Ambient Design conditions
Operating temperature:
- min. 5°C (41°F)
- nom. 20°C (68°F)
- max. 60°C (140°F)
Max. relative humidity: 80%
Storage Design conditions
- storing temperature 5-60°C (41-140°F)
- relative humidity max. 80%
Options and accessories
Mounting frame: refer to Product Data Sheet for more information
Silencer (straight or elbow 90°): refer to Product Data Sheet for more information
SIF Outdoor
- Fans suitable for outdoor installation (rainresistant) Outdoor
- Outdoor kit consists of:
- rain cover over sound absorbing case, including coupler for duct or silencer
- ventilation grids provided with rain cover
- seams of the absorbing case being fully sealed (except for the inspection cover)
- Operating temperature SIF Outdoor:
- min. -20°C (-4°F)
- nom. 20°C (68°F)
- max. 60°C (140°F)
Scope of supply
Extraction fan in sound absorbing case - Key - Strain relief
Order information
Number/package: 1
Shipping data
Harmonized Tariff Code: 8414.5940.90
Country of origin: Netherlands