Pi. 09. 009 En proTec Filtermedium indd



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Mighty solutions for tiny particles.

ProTex

Energy saving filter media

Product information

INTENSIV


FILTER

ProTex is your solution and our initiative on the way to energy-efficient dust removal

Increase energy efficiency using ProTex filter media

Filtering emissions is the task Intensiv-Filter has been addressing it-

self to since its founding in 1922. We are a leading specialist in filter-

ing installations in the international markets. This applies both to new 

installations as well as conversions for a wide range of applications.

Besides the filtration features required, saving energy is the priority in 

the development of ProTex filter media. The pressure drop of the filter-

ing installation and therefore the demand of energy are reduced when 

using ProTex filter media. New installations as well as existing instal-

lations, in which a change of filter bags is necessary, can be equipped 

with filter bags of the new ProTex quality.

 

Your benefits:

m

  ProTex significantly reduces the energy demand of your installation by:                                                                                                                                              



     m  optimised surface filtration   

     m  improved regeneration properties  

     m  minimized pressure drop

m

  ProTex lowers CO



2

 emissions

m

  ProTex reduces your dust emissions far below the legal limits 



m

  ProTex is characterized by a long lifetime

m

  ProTex is the economical alternative to filter bags with laminated                                                                                                                                        



      membrane surface and considerably more robust


Intensiv-Filter GmbH & Co. KG

Voßkuhlstraße 63 • 42555 Velbert-Langenberg

Deutschland / Germany

)

 +49 2052 910-0 • 2 +49 2052 910-248



if@intensiv-filter.com • www.intensiv-filter.com

Technical modifications reserved

PI.09.009 GB

 

• 10.09-1000 FD 



Quality guarantee

We have years of experience with filter media and filtering separators as well as special know-how in 

regard to selecting filter materials. ProTex filter media are assembled exclusively by Intensiv-Filter at 

its Langenberg, Germany location. We vouch for the correct fit and highest quality of the filter media. 



Pressure drop [Pa] Air to cloth ratio [m³/m²/h]

Time [s]

Pressure drop

Air to cloth ratio

Air to cloth ratio: 120 m³/m²/h

Test dust: Pural Sb

Cleaning pressure: 0.5 MPa

Raw gas dust content: 10 g/m³

Conv. microfibre needle fleece

300 s cycle time

Standard needle felt

300 s cycle time

ProTex PES

300 s cycle time

0            600           1200          1800           2400          3000          3600    

0            600           1200          1800           2400          3000          3600    

0            600           1200          1800           2400          3000          3600    

1600

1400


1200             

1000


800

600


400

200


0

Pressure drop reduction 

Using  ProTex,  the  filter  pressure  drop 

can  be  reduced  by  more  than  half 

compared to conventional filter media. 

Based on the entire filtering installation, 

the guaranteed values for energy con-

sumption  and  operating  costs  can  be 

reduced by up to 40 percent.

The use of high quality microfibres and 

a  special  needle  punching  technique 

guarantee  an  optimal  surface  filtration 

and low residual pressure drop. In ad-

dition, the pressure increase within one 

filtration  cycle  will  be  reduced  signifi-

cantly.

Alternatively, the filter system capacity 



can  be  increased  with  ProTex  –  while 

investment and operating costs remain 

the same.

The savings potential

Sample  calculation  for  an  installation  of  the 

stone/earth  industry  with  fine-particle,  mineral 

dust, based on a filter surface of 1,000 m² and an 

operating period of 8,000 h/a: 

The test results point out the significant increase of the energy efficiency. This has been validated by extensive trials under 

repeatable test conditions in our filter test center.

Annual energy savings with ProTex



Energy costs, ventilator [€/a]

Standard needle felt

Conventional  

microfibre needle felt or 

ePTFE membrane

ProTex

20.000

18.000

16.000

14.000

12.000

10.000

  8.000

  6.000

  4.000

  2.000

         0

m

   Reduction of ventilator energy costs from



     18,500 €/a to 11,100 €/a. 

     


An annual savings potential of € 7,400

m

  Savings of compressed air



m

 Long lifetime of filter bags

m

 Reduced maintenance costs



Filter surface: 

1,000 m²


Air to cloth ratio: 

120 m³/m²/h

Operating time: 

8,000 h/a



Energy costs:                7 ct/kWh

 



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