COLASIT SCANDINAVIA AB
Ventilation i plast
Villabergsvägen 4
SE-53592 Kvänum
 
Telefon +46 (0) 511 200 80       
Mail info@colasit.se
   

Ventilation rectangular

 
 
Standards

The maximum amount of bending of the longest side for unstrengthened ducts is defined in DIN 4740 Part 5 for PVC and in DIN 4741 Part 5 for PPs.



 
 
 
Material

All ducts and fittings can be supplied in the following materials:
PPs, flame-resistant according to DIN 4102 B1
PE, specially stabilised for outdoor use
PVC, flame-resistant according to DIN 4102 B1
PP





 
 
 
Calculation
On the basis of the following date, COLASIT calculates and defines the optimum type of strengthening as required:

   ♦   max. edge length
   ♦   max. over-pressure and under-pressure in the ducting
   ♦   Temperature of medium passing through
   ♦   Permitted amount of bending  






 
 
 
Types of strengthening
External strengthening using welded-on reinforcement profiles or internal stiffening using tubing.



 
 
 
Documents
The following documentation is available in PDF format: