Spiral ducting for forced and exhaust ventilation







Spiral ducting 600 mm Ø, 5 m length
 
(Type S) All fabrics from our range can be used.
Ducting diameter:

All diameters between 150 and 2500 mm can
be supplied

Length of ducting:

From 0,5 up to 10 m. Intermediate lengths are possible.
The helix, made of PVC coated spring steel wire for corrosion protection, is welded on externally.

Maximum length in meters:

Diameter
Pitch Pitch Pitch Pitch
mm 150 mm 75 mm 50mm  30mm
150 5 5 5 5
200 10 7,5 5 5
300 - 500 10 7,5 7,5 5
600 - 800 10 7,5 5 5
900 10 5 5 5
1000 10 5 7,5 5
1200 10 5 3 2,5
1400 10 5 3 2,5
1600 10 5 3 2,5
1800 10 5 2,5 2,5
2000 5 3 2,5 2
2200 5 3 2,5 2
2400 5 3 2,5 2

Pitches:

150 mm / 75 mm / 50 mm / 30 mm
The pitch determines the negative pressure allowed.
Wire diameters:
Up to 300 mm ducting diameter Ø
400 mm ducting diameter Ø
500 und 600 mm ducting diameter Ø
from700 mm ducting diameter Ø
2,5 mm
4,0 mm
5,0 mm
6,0 mm
Suspension:

1 row of galvanized suspension hooks,
tear strength approx. 50 kp.
Each length of ducting has flexible end-rings at both ends,
made of PVC coated spring steel wire. Cuff ends are
available on request.

Endrings up to 1200 mm: Construction 9,5/13,5 mm Ø
Endrings from 1300 mm: Construction 15,0/18,0 mm Ø
 

 

(c) 2005 Schauenburg Tunnel-Ventilation GmbH