- Manufactured from corrosion resistant galvanised steel as standard
- Complies with HVCA specification DW144
- Suitable for high, medium and low-pressure systems
- Used in heating, ventilation, air conditioning and fume extraction
- Spiral is large end (female) and requires small end (male) connection pieces to fit two pieces of spiral together
Looking for something custom?
Bespoke manufacturing will be quoted for, once we have discussed your requirements
Available in/with
- Galvanised (standard), stainless and perforated tube
- Non-standard lengths (priced per metre)
- Fire rated coating
- Custom sheet metal thickness
- Nitrile rubber seal in the fold to increase the tightness of the duct
- Reinforcement corrugations