Description

The ETZL duct is manufactured from galvanized steel sheet by plate rolling and longitudinal TIG welding. It features beaded ends (6–8 mm) for connection with a single-bolt clamp coupling, with an optional stiffening bead for enhanced structural rigidity.

Features

Made of high-quality galvanized steel.

Available in diameters from Ø80 to Ø1000 mm, with sheet thicknesses ranging from 0.7 to 1.2 mm.

High structural rigidity.

Excellent corrosion resistance.

Low pressure losses thanks to the smooth inner surface.

Compatible with standard fittings and accessories.

Ideal for residential, commercial, and industrial HVAC systems.

Use

The ETZL spiral duct is suitable for use in:

  • Residential buildings and housing complexes;
  • Offices and commercial premises;
  • Hotels and hospitality facilities;
  • Schools and public buildings;
  • Hospitals and healthcare facilities;
  • Industrial plants;
  • Warehouses and logistics centers.

Accessories

The wide availability of standardized fittings allows for quick and secure installation, reducing on-site assembly time. 

Support systems available in the Accessories and Fixings section:

  • EACL - EACLN: clamping rings for joining ductwork with beaded ends;
  • EACS: two-piece galvanized steel mounting clamps, 1.2 mm thick;.
  • EACST-2M - EACSTN: galvanized steel mounting clamps, with or without gasket, featuring a 5:1 safety factor for vertical suspension applications;
  • EACPPV: galvanized steel clamps supplied complete with M10×120 fixing screw, 14×80 wall plug, and M10 threaded clamp;
  • EAMP - EAMS: cantilever support brackets manufactured from DD11 steel according to EN 10111:2008 (Fe360);
  • EAMPL - EAMPT: angle support brackets manufactured from DD11 steel according to EN 10111:2008 (Fe360);

On Request

Available upon request:

  • ETZL-X – AISI 304 stainless steel.
  • ETZL-XA – AISI 316 stainless steel.
  • Gloss or matte powder coating.
  • Version without collar edge;

Technical Features

Dimensions and Price List

ØD (mm)SpessoreL=500 (mm)L=1000 (mm)L=1500 (mm)

(mm)

Euro/Pc

Euro/Pc

Euro/Pc

80

1.0

12,18  

24,36  

36,55  

100

1.0

15,26  

30,52  

45,78  

125

1.0

13,18  

26,34  

39,52  

150

0.8

15,65  

31,29  

46,94  

160

0.8

17,29  

34,58  

51,87  

180

0.8

18,11  

36,22  

54,33  

200

0.8

20,58  

41,17  

61,75  

250

0.8

31,56  

63,12  

94,67  

300

0.8

36,29  

72,59  

108,87  

320

0.8

37,09  

74,17  

111,26  

350

0.8

42,61  

85,21

127,82  

400

1.0

62,34  

124,66  

187,00  

450

1.0

71,01  

142,02  

213,03  

500

1.0

78,89  

157,80  

236,69  

550

1.0

86,79  

173,58

260,37  

600

1.0

92,32  

184,63  

276,94  

650

1.0

96,26  

192,51  

288,77  

700

1.0

108,87  

217,76  

326,64  

750

1.0

115,19  

230,39

345,58  

800

1.0

121,50  

243,01  

364,51  

900

1.0

171,21

342,42  

513,64  

1000

1.0

188,57  

377,14  

565,70