Category: Spiral grilles

Grille with two rows of adjustable blades on the spiral duct STS-W/S and STS-S/W

Description and application

Ventilation grille for intake and exhaust to spiral ducts. The front frame is shaped according to the channel diameter. Application in low- and medium pressure installations. Recommended is installation in ducts and ventilation openings holes using visible bolts in holes the front frame. The front frame is made of steel profiles. Blades are mounted in two rows, horizontally and  vertically. Adjusting the angle inclination of blade is manual and individual for each blade.

Grille has Hygienic Certificate.

Material and workmanship

- galvanized steel powder coated in RAL 9006 - standard
- aluminum
- stainless steel (type 1.4301 or 1.4404)
On request, it is possible to powder coated in any color RAL palette.