Ventilation Products
Ventilation
Rocvent ventilation tubing is manufactured in a number of styles:
              Layflat Tubing (with Snap Roc coupling system) - collapsible PVC tubing (positive pressure) manufactured in a selection of grades to match specific strength specifications. Six ply suspension, heavy duty suspension caribiners for a quick and secure installation.
              Spiral Ducting - spiral reinforced ducting (positive and negative pressure). This ducting is made from an RV1923 type material. Spring steel wire is welded on to the duct using a special extruded PVC profile with wear protection.
                    Standard sizes produced are (diameter/length):
- 12" X 25'
 - 16" X 25'
 - 20" X 25'
 - 24" X 25'
 - 30" X 25'
 - 36" X 25'
 
Standard pitches are 4" and 6". Other combinations can be made to your specification.
                Duo-Duct (Oval) - collapsible dual oval chambers reducing required headroom by 25%. Allows for use of larger equipment.
Vent Tube Diameter (In)  | 
                        Equivalent Duo-duct Size (H x W)  | 
                      
24  | 
                        18 x 32  | 
                      
30  | 
                        22 x 39  | 
                      
36  | 
                        27 x 47  | 
                      
42  | 
                        31 x 56  | 
                      
48  | 
                        36 x 65  | 
                      
54  | 
                        40 x 66  | 
                      
60  | 
                        45 x 73  | 
                      
Spiral Reinforced Ducting - Duo Duct (Oval) - PVC Spiral Reinforced Duo Duct. Improves headroom.
                
                Vertical Shaft Tubing - is collapsible PVC tubing complete with 2" load rated webbing that is radio frequency welded to opposite sides of the tubing - (180°) with connection of each length with 2 - 2" ratchets connecting the webbing of each length of tubing.
Tube diameters vary from 300 mm to 2,400 mm (12" - 96"). The standard tube length is 7.62 & 15m (25' & 50'). Tube sections are available in other lengths on a custom order.
                    
                Round and Oval Steel Ducting - Standard steel 18 ga. galvanized ducting. Wyes, elbows, adapters and v-lock coupler fittings are available, as well as 16 ga with reinforced rings. 12 inch to 54 inch diameter.


