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Supply air diffuser SDK is designed for small areas and small air flows. SDK is available both as 1-way air spread and 3-way.

The diffuser is made in powder coated steel sheet. The mounting frame is equipped with rubber seal to give a tight connection to the duct system.

QUICK FACTS

  • Install in Ceiling
  • Distance from ceiling prevents “dirt rings”
  • Commissioning and flow measurement
  • Easy to mount with feather springs
  • Color: RAL 9003/NCS S 0500-N

PRODUCT DESCRIPTION

  • Circular ceiling diffuser SDK 100-1v
  • Mounting frame SDKT 100

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Supply air diffuser for ceiling installation in homes

  • Simple supply air diffuser for ceiling installation.
  • With possibility of commissioning and airflow measuring.

Airflow

Sound dB (A)

Pres-sure (Pa)

Dimension

l/s

m3/h

SDK 100, 125-1v

23

83

25

40

SDK 100, 125-3v

29

104

25

38

At 13 mm distance

Technical description

Design

SDK is a supply air diffuser that is designed for small areas and small air flows. SDK is available both as 1-way air spread and 3-way. The diffuser is made in powder coated steel sheet. The mounting frame is equipped with rubber seal to give a tight con- nection to the duct system.

Materials and finish

SDK is delivered in powder coated steel sheet, white standard color RAL9003 /NCS 0500-N. The mounting frame is made of galvanized sheet steel with rubber seal.

Project planning

Use dimensioning charts to design the unit. A diffuser mounted directly before a bend or T-piece will increase the sound with 3 dB (A) compared to charts.

Installation and commisioning

Always use mounting frame to mount the diffuser in circular ducts. The diffuser is easy to install in the frame with springs. A distance from the roof to prevent “dirt rings” in the ceiling.

The commissioning pressure is measured behind the sector plate and the airflow is calculated using the k-factor and the formula presented.
Observe the distance between the frame and the plate.

Sector plate position should be toward the outer radius of A diffuser mounted in a 90o bend.

Maintenance

Clean air diffuser when necessary using warm water and soap, Alternatively use a vacuum cleaner.

K-Factor

A pressure of at least 5 Pa is required to obtain at least ± 10% accuracy of the airflow.

Download brochure for more details 

Downloads

Technical description “Supply Air Diffuser SDK”
Swegon Brochure “Air Diffuser”

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