Equipment for filter units

A wide range of accessories is available for Gram filter systems.

These include equipment for the prevention of backflows from compressed air cleaning, precoating of filters and for the discharge of material into big-bags or containers.

Do you not know what you need? Please, contact our sales team that is ready to help you.

+45 74 52 30 75

Backdraft damper KTR and KTR-V

Backdraft damper is mounted on inlet to compressed-air cleaned filter units to prevent brackdraft to piping in connection with compressed-air filter cleaning.
  • Backdraft damper prevents backdraft to piping
  • Used for dusty air
  • Available for low and high pressure
  • Available in 7 sizes
  • Constructed as louvre grid with 2 connections
  • Delivered powder enamelled
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Precoat unit PCA-12

Precoat unit PCA-12 is ideal for precoat dosing in filter unit ilet. Very easy to mount and handle.
  • For easy precoat dosing in filter unit inlet
  • Supplied with all hoses for use
  • Large tank unit of 117L
  • Easy timer adjustment
  • Precoat dosing can increase filter element life
  • Available for either 24- or 240VAC supply voltage
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Self-closing damper for draining VK

Self-closing damper for draining for either to plastic bag or bulk bag by adjustable counterweight. Available for several Gram filter units and cyclones.
  • Self-closing damper for draining by adjustable counterweight
  • Draining by hood on damper plate
  • Draining either to plastic bag or bulk bag
  • Can be mounted beneath many Gram units
  • 2 different unit heights

Rotary valve chamber ZS Fi

Rotary valve chamber type ZS Fi 250/300 is very suitable for safe pressureless outlet of dust beneath filter units, separators and cyclones.
  • Rotary valve chamber for pressureless dust outlet
  • Can be used for filter units, separators and cyclones
  • Driving force: gear motor
  • Theoretical performance: 3m³/h at 9.2rpm.
  • Sealing lips can be replaced
  • Solide cabinet/bearing shield are cast
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Equipment for Gram Filter units U-E

Examples of equipment for Gram filter units. Here we introduce: Gram Roto-cleaning, Gram fill-level sensor and Gram filter guard.
  • Easy, safe, clean cleaning method with Gram Roto-cleaning
  • Optimazation of suction capacity in the filters with Gram Roto-cleaning
  • Fill-level sensor works by photocell technology
  • Fill-level sensor OEM is easy to mount and adjust
  • Fill-level sensor OEM can be retrofitted
  • Gram filter guard monitors the filter condition
  • Filter guard with Minihelic-display rmanometer shows kPa
  • Electric filter guard warn by yellow signal device or sounder

Filter material FIL

V.Å.Gram's palette af filtermaterialer er meget stor. Filtermaterialerne er blevet udvalgt i samarbejde med markedets bedste filtereksperter.
  • Stort udvalg i engangsfiltre og rensbare filtre:
  • Filtre med lav filtreringsevne
  • Filtre med meget høj filtreringsevne
  • Filtre til tør luft
  • Filtre til fugtig luft
  • Gram filtre er nemme at montere
  • De fleste filtre lagerføres
  • Gram filtre er veldokumenterede