Technical Data  
  Size Range:
 
 
Sl. No. Duct Size Nominal O.D.
(in mm)
Nominal I.D.
(in mm)
Length
(Mtrs.)
1 200/175 200 175 6
2 180/152 180 152 6
3 160/136 160 136 6
4 120/103 120 103 6
5 117/100 117 100 6
6 90/76 90 76 6
7 89/75 89 75 6
8 75/63 75 63 6
9 63/51 63 51 6
10 60/50 60 50 6
11 50/42 50 42 6
12 40/33 40 33 6
 
   
Colour: DWC Ducts may be supplied in any colour as per Customer’s
  requirements.
Coils: DWC Ducts are also available in coils of desired lengths.
Couplers: Snap-Fit Couplers with Water Tight   Rubber    Rings   are
available in each Size.
   
  Mechanical Properties:  
 
Sl. No. Test Standard Value
1 Compression Test IS:14930 (Part-II) > 450 N at 5 % deflection
2 Impact Test IS:14930 (Part-II) No crack or split with 5 kg load, Duct conditioned
at (-) 5° C for 2 hrs.
3 Bending Test IS:14930 (Part-II) A ball of Diameter 95% of ID passes freely
4 Electromagnetic Compatibility IS:14930 (Part-II) Passive