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Filters & Tools

Simple. Flexible. Ready.

 

We provide you with the best products for immediate and effective control pollutants, malodour and corrosion:

Filters & Tools

Products to eliminate pollutants, odorous substances and biogenic corrosion

The fouling process of wastewater often starts as early as in the sewer or the force main. Causes for this include low flow rate, long residence time, high temperatures and low pH value. This results in the formation of hydrogen sulphide (H2S) – a toxic gas that causes unpleasant odours. On top of that, even low H2S concentrations can lead to concrete degradation. Sewage structures are thus destroyed, which results in high investment costs.

We have the products you need for immediate and effective pollutant, malodour, and corrosion control:

  • Manhole biofilter
  • Top filter
  • Universal filter
  • Pipe filter
  • Pipe filter cartridge
  • Sewer infiltration water barrier
  • Air trap
  • Odour and emission barrier
  • Flexible segment valve

 

Your benefits at a glance

 

Biofilter or hybrid filter … always a solution that fits your needs

All UGN® filters are available as biofilter or hybrid filter customized to your specific requirements. The filter type is determined by the filtering material. We are happy to assist you with our advice.

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UGN® Top filter

Application

  • Pollutant and odour filter for installation on top of ducts
  • Made for treatment of humid and loaded exhaust air from vent chimneys, flues, well covers, tanks, grease interceptors, surge, collection, and process tanks, impoundments, sanitation vents, reservoirs, etc.

Product description

  • Available for all standard pipe dimensions
  • Up to 15 m³/h purifying capacity
  • Made of corrosion resistant, UV-proof plastic material
  • Two-piece filter consisting of cartridge and cartridge body
  • Hood option available for rain protection

 

UGN®Manhole biofilter

Application

  • Pollutant and odour filter for installation underneath manhole covers
  • Prevents sewer damage due to corrosion
  • Effective treatment of exhaust air from sewer and grease interceptor vents

Product description

  • Suitable for all manhole covers and for BEGU and VIATOP systems
  • Up to 15 m³/h purifying capacity
  • Natural shaft ventilation is fully maintained
  • Made of corrosion resistant, UV-proof plastic material
  • Comprising two parts, a base plate and a removable filter cartridge – which can replaced with an infiltration water barrier when needed

 

UGN®Pipe filter

Application

  • Pollutant and odour filter for installation on top of, or integration in, vent and flue pipes
  • Designed for effective treatment of exhaust air from sewage ventilation (toilet facilities, small sewage plants) and grease interceptor ventilation

Product description

  • Available for all standard pipe dimensions
  • The filter can be inserted at any point in the existing pipe sleeve or by means of a slip-on sleeve.
  • Filter made of corrosion resistant, UV-proof plastic material
  • Sealing is ensured by pipe seals

 

UGN®Pipe filter cartridge

Application

  • Pollutant and odour filter for integration in vent and flue pipes
  • Can be used when insertable filters (such as UGN® pipe filters) cannot be reused as is the case with, e. g., stainless steel piping
  • Effective treatment of exhaust air from pumping chambers, vent domes, well covers, etc.

Product description

  • Available for all standard pipe dimensions
  • Can be integrated in the pipe at any place and is not visible from outside
  • Cartridge made of corrosion resistant, UV-proof plastic material

 

UGN® Universal filter

Application

  • Universal pollutant and odour filter for installation in 30 × 50 cm or 50 × 50 cm manhole covers
  • Effective treatment of exhaust air from street and backyard drains flown through by rain and waste water, and covers of sewage plants, expansion, and storage tanks

Product description

  • Oval (manhole cover 30 × 50 cm) or round (manhole cover 50 × 50 cm) types
  • Natural shaft ventilation is fully maintained
  • Made of corrosion resistant, UV-proof plastic material
  • One-piece system – filter cartridge fixed to base plate
  • Sealing is ensured by exact fitting and PUR seal, if necessary

 

UGN®Air trap

Application

  • Air trap for installation in 30 × 50 cm or 50 × 50 cm manhole covers
  • Immediate removal of outgassing from street and courtyard drains flown through by rain and waste water

Product description

  • Oval (manhole cover 30 × 50 cm) or round (manhole cover 50 × 50 cm) types
  • Featuring integrated flap and dirt trap – surface water drain remains unobstructed
  • Made of corrosion resistant, UV-proof plastic material

 

UGN®Sewer infiltration water barrier

Application

  • For installation underneath manhole covers
  • Prevents ingress of excess surface water resulting from, e. g., flooding, meltwater, and heavy rain or snowfall
  • Suitable for permanent use

Product description

  • Suitable for all manhole covers and for BEGU and VIATOP systems
  • Can be generally used up to 1 m water column
  • Manhole ventilation is maintained
  • Made of corrosion resistant, UV-proof plastic material
  • Comprising two parts, a base plate and a removable cartridge, containing the infiltration water barrier
    → If needed, this cartridge system can be replaced by a biofilter or hybrid filter cartridge (for odour and pollutant elimination).

 

UGN®Odour and emission barrier

Application

  • Flexible gas blocker for installation in vertical and horizontal pipes
  • For reliable control of noxious emissions and odour nuisance
  • Prevents gas from escaping while allowing free flow of water

Product description

  • Available for all standard pipe dimensions
  • Elastic, transparent PVC membrane/barrier
  • Elastic, self-sealing barrier with flexible segments for vertical pipes
  • Freely swinging membrane for horizontal pipes

 

UGN®Flexible segment valve

Application

  • Freely swinging, floating gas blocker for odour control to be installed in horizontal pipelines with a nominal diameter > 300 mm, and for shafts

Product description

  • prevents gas from escaping while allowing free flow of water
  • Elastic, transparent PVC membrane
  • Stainless steel fasteners
  • Removable

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