Spiral Smoke Exhaust Duct E600 120 (h) S1500 Galvanized Steel

SPR-Z-SMO

Spiral-Wound Smoke Exhaust Duct SPR-Z-SMO

The SPR-Z-SMO SMOKE System spiral-wound round duct is designed for single-zone smoke exhaust systems and mixed (dual-function) systems. It features E600 120 (h) S1500 single fire resistance, ensuring safety in critical situations. Made from high-quality galvanized steel sheet grade DX51D+Z275 according to PN-EN10346:2011, it guarantees durability and reliability in ventilation systems.

Key Features

Fire Resistance: E600 120 (h) S1500 single.
Material: Galvanized steel sheet grade DX51D+Z275 according to PN-EN10346:2011.
Sheet Thickness: 0.7mm for diameters 100-710mm, 0.9mm for diameters 800-1000mm.
Section Length: Maximum length 6m, standard lengths 3m and 6m.
Tightness Class: D according to PN-EN 12237.
Construction: Spiral-wound from a 137mm wide sheet strip with a lock seam.
Corrugation: Ducts from 250mm to 1000mm diameter are corrugated.

Technical Data

Ød [mm]	Thickness t [mm]	Length L [m]	Circumference (πd) [m]	Cross-sectional Area (πd²/4) [m²]
100	0.7	6	0.314	0.008
112	0.7	6	0.352	0.010
125	0.7	6	0.393	0.012
140	0.7	6	0.440	0.015
150	0.7	6	0.471	0.018
160	0.7	6	0.502	0.020
180	0.7	6	0.565	0.025
200	0.7	6	0.628	0.031
224	0.7	6	0.703	0.039
250	0.7	6	0.785	0.049
280	0.7	6	0.879	0.062
300	0.7	6	0.942	0.071
315	0.7	6	0.989	0.078
355	0.7	6	1.115	0.099
400	0.7	6	1.256	0.126
450	0.7	6	1.413	0.159
500	0.7	6	1.570	0.196
560	0.7	6	1.758	0.246
600	0.7	6	1.884	0.283
630	0.7	6	1.978	0.312
710	0.7	6	2.229	0.396
800	0.9	3	2.512	0.503
900	0.9	3	2.826	0.636
1000	0.9	3	3.140	0.785