Depression

Spiral ducting

Depression

Our spiral duct withstands even severe depression. Depending on the required depression, we can offer spiral ducts with spiral spaces of 30 mm, 50 mm, 75 mm and 150 mm. Through the use of spring steel wire and the high-quality workmanship, our spiral ducts hold its shape even at high depressions!

Depression values for spiral ducts in Pa

The shape-retentiveness of the spiral is still guaranteed with the specified approx. values

Duct diameter, mm Wire thickness, mm Spiral ducting Spiral ducting Spiral ducting
Slope 150 mm Slope 75 mm Slope 30 mm
150 2,5 4000 6000 6500
200 2,5 3500 5600 6300
250 2,5 3000 5000 6000
300 2,5 3000 5000 6000
400 4 2700 4500 5000
500 5 2400 4000 4500
600 5 2100 3500 4000
700 6 1900 3000 3500
800 6 1600 2500 3000
900 6 1450 2250 2750
1000 6 1300 2000 2500
1200 6 1000 1500 2000
1400 6 700 1000 1500
1600 6 400 500 1000

We gladly advise you on all questions and ideas on the ideal spiral duct.