Dampers and valves

A wide range of dampers and valves is available for shut-off or air flow control.

The range includes manual and automatic dampers, slide dampers and flap valves for use in low and medium pressure installations with and without material handling.

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+45 74 52 30 75

Rotating damper DS

Gram rotating damper type DS is a manual rotating damper that can be used at low and medium pressure units. Suitable for clean or slightly dusty air.
  • Robust sliding damper
  • Easy to operate
  • Durable construction
  • Easy to mount
  • Suitable for clean or slightly polluted air
  • Standard delivered in 5 different dimensions
  • Many applications

Manual sliding damper with nipple connection MADA

Gram sliding damper type MADA is a manual sliding damper that can be used at low and medium pressure. For process units where gas/dust or particles are transported.
  • Manual sliding damper with nipple connections
  • Sliding dampers in galvanized cassette
  • User-friendly
  • Easy mounting
  • Suitable for gas/dust and larger particles
  • Standard delivered in 5 different diameters
  • Many applications

Rotating damper DSMG

Rotating damper type DSMG is an efficient rotating damper that is delivered with mounting plate for damper motor type HMO24-Gram. Used for clean or slightly dusty air.
  • Robust rotating damper
  • Suitable for clean or slightly polluted air
  • Damper and damper plate are made in galvanized plate
  • Easy operation
  • Very easy to mount
  • Standard available in 5 different diameters
  • Many applications
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Compressed-air controlled sliding damper AUDA

Gram sliding damper type AUDA is a compressed-air controlled sliding damper with 24V DC-coil, connections in muff measurement and 6mm clamp edge. For low and medium pressure units at gas/dust and chips.
  • Compressed-air controlled sliding damper
  • Sliding damper in galvanized cassette
  • Connection to transfer
  • User-friendly damper
  • Easy mounting
  • Suitable for gas/dust and larger particles
  • Standard delivered in 5 different diameters
  • Many appliactions

Flap valve KV

Gram flap valves type KV/KV-Y are manual flap valves. They are used for process unit for both low, medium and high pressure in connection with gas/dust and chips.
  • Robust construction
  • Strong spring in flap
  • Easy mounting and operation
  • Delivered incl. ball handle and sealing plate
  • Micro-switch with fittings is available
  • Suitable for gas/dust and larger particles
  • Quick coupling up to ø100mm type KI for easy and quick connection
  • Flap valve type KV-B with bayonet for easy and quick connection
  • Many applications

Plastic adapter KI

Gram plastic adapter type KI is intended for application at medium and high pressure extraction. Plastic adapter works as adapter between a flap valve and a hose.
  • Plastic adapters are very easy to use
  • The adapter is turned in nylon
  • Durable product
  • The conical end of the adapter is placed in a flap valve
  • Hose is attached to plastic adapter by hose clamp
  • Available in 5 different dimensions

Sliding damper for high-vacuum pipes MADA-HRK

Gram sliding damper type MADA-HRK is a manual sliding damper that can be used at medium and high pressure extraction. For process units, where gas/dust or particles are being transported.
  • Manual sliding damper with nipple connection
  • Sliding damper in galvanized cassette
  • User-friendly
  • Easy mounting
  • Suitable for gas/dust and larger particles
  • Standard available in 7 different diameters
  • Is available with mounted micro-switch
  • Many applications

Compressed-air controlled sliding damper AUDA-HRK

Sliding damper type AUDA-HRK is a compressed-air controlled sliding damper with 24V DC-coil with connection to high-vacuum ducts. For medium and high-pressure units at gas/dust and chips.
  • Compressed-air sliding damper
  • Sliding damper in galvanized cassette
  • Connection to high-vacuum ducts
  • User-friendly damper
  • Easy mounting
  • Suitable to gas/dust and larger particles
  • Standard available in 7 different diameters
  • Many applications

Damper motor HMO24-Gram

Damper motor HMO24-Gram is suitable for mounting on damper that must react very quickly, e.g. in connection with preocess extraction. Revolving time 1-10 seconds.
  • High-speed damper motor
  • Very easy to mount
  • Converter 230VAC/24AC is available
  • HMO24-Gram is used together with Gram rotating damper, DSM-G
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Converter T230-2

Converter T230-2 is a special transformer for supply of HMO24-Gram damper motor. Thus a 24V damper motor can be controlled with 230V.
  • Stabile and durable converter
  • Dimension: 130 x 130 x 60mm
  • Connection: terminal
  • Used together with HMO24-Gram damper motor
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