OSF 3500 HE

FibreDrain® oil smoke collector for continuous operation.

The Nederman OSF (Oil Smoke Filter) is designed to handle large amounts of oil smoke during continuous operation. They are engineered for high efficiency filtration coupled with lower maintenance costs.

The OSF 3500 HE has an external, top mounted, fan assembly and three-stage filtration, as standard. The first two stages consist of a filter cassettes with Nederman’s FibreDrain® technology. The third stage is a class H13 HEPA filter with a 99.95% efficiency for MPPS, per EN1822. All tower-style OMF units are designed to accept an optional pre-filter. Nederman offers a wide selection of filters to fit a range of different applications.

  • Three (3) filter stages. An optional pre-filter is available.
  • Gauges for reading of pressure drop over each filter stage
  • Extension legs
  • Two (2) Ø315mm inlet locations, one blanked using clamp ring connection.

Technical data
Certifications CE
Standard 2009/125/EC
Volume (for shipping) (ft³) 240.85
Noise level (dB(A)) 70 dB(A) @5’ from service side, with optional external silencer.
Protection class IP55
Filter efficiency (%) 99,95
Installation Indoor
Material Sheet metal, painted inside and outside.
Filter cleaning method Self-Draining
Working pressure (in. wg) 14.0” (External)
Capacity (max airflow cfm) 2354
Operating Temperature 140° F, (limited by filter media).
Amperage (A) 14.2
Frequency (Hz) 60
Number of filter elements 3
No of phases 3
Power (Hp) 10 HP
Power Voltage (V) 460
Note Plus one (1) optional filter element.
Weight (lbs) 1444
    OSF 3500 HE/460VAC/60Hz/UL/1005 incl. filter

    ArtNo: 12401196

Accessories for this product 12

Silencer 90° Ø315
ArtNo: 12400016

OMF/OSF Silencer 90/Ø315

Filter 1, OSF3500
ArtNo: 12400032

FibreDrain Filter F99 OSF1

Filter 2, OSF3500
ArtNo: 12400033

FibreDrain Filter F99 OSF2

HEPA Filter OSF3500
ArtNo: 12400034

Hepa filter H13 915x915x292

Drain container with piping
ArtNo: 12400764

Drain container with piping

Optional FibreDrain Pre Filter ORF 890x770x96 mm
ArtNo: 12400917

FibreDrain Pre Filter ORF 890x770x96

Transition NF 7,5 kW / Ø 315 / 1005
ArtNo: 12400988

Transition NF 7,5 kW / Ø 315 / 1005

Drain pump box, 60 Hz, 10 litre/min at 5m, excluding controller
ArtNo: 12401329

FibreDrain Pumpbox KTF81-220 / 60Hz

OMF/OSF/MQL mounting system for electrical components
ArtNo: 12401341

OMF/OSF/MQL mounting system for electrical components

OSF/OMF Instruction manual for mounting system for electric components
ArtNo: 12401342

OSF/OMF Instruction manual for mounting system for electric components

Frequency inverter with 5kPa pressure sensor. 7,5kW
ArtNo: 73008917

Frequency inverter with 5kPa pressure sensor. 7,5kW. IP66 enclosure

Frequency inverter with 5kPa pressure sensor. 11kW
ArtNo: 73008918

Frequency inverter with 5kPa pressure sensor. 11kW. IP66 enclosure.