NORRES METAL HOSE 375 HT
Electrically conductive metal hose for very high temperature – NORRES METAL HOSE 375 HT
The METAL HOSE 375 HT is a galvanized steel hose developed for extremely demanding environments where heat resistance, ATEX safety and maximum durability are essential.
The hose is ideal for the extraction and transport of large quantities of dust, chips, granules, hot gases as well as oil and fume vapours in furnaces, foundries, metal and glass industries, and wood or paper production.
Heat resistance and ATEX approval
The hose withstands continuous temperatures up to 400 °C and is fully electrically conductive (surface resistance < 10³ Ω), fulfilling all requirements for ATEX zones 20, 21 and 22 (internally).
The wall is flame-retardant, and the construction absorbs wear from highly abrasive materials.
Construction and options
Constructed from profiled, galvanized steel strip with secure hook-seam closure and glass-fibre packing.
Available in many variants and dimensions (20–300 mm internal diameter) and can be supplied with or without additional rubber sealing.
Ready for extreme heat and dust extraction?
Contact us for advice on ATEX-approved metal hoses for high-temperature extraction, dedusting, furnace, foundry or steel-industry applications.
Technical note
Construction: Galvanized, profiled steel strip with glass-fibre or rubber sealing.
Temperature resistance 400 °C, electrically conductive, high mechanical strength, available in various lengths and diameters.
FAQ: Conductive metal hose for high temperature
Which media is the hose suitable for?
Dust, chips, granules, hot gases, oil and fume vapours, and aggressive atmospheres in furnaces, foundries, ventilation systems and filter units.
ATEX approval?
Yes, electrically conductive < 10³ Ω and tested for ATEX zones 20, 21 and 22 for explosive dust and gas extraction.
Typical industries?
Metal, furnace, paper, glass and smelting industries as well as energy and steel production.
Related links
Technical specifications
| Inner Ø (mm) | Outer Ø (mm) | Bending radius (mm) | Weight (kg/m) | Length (m) | Order No. |
|---|---|---|---|---|---|
| 20 | 24.00 | 90.00 | 0.35 | 10 | 375-0020-2880 |
| 25 | 29.00 | 98.00 | 0.43 | 10 | 375-0025-2880 |
| 30 | 34.00 | 115.00 | 0.51 | 10 | 375-0030-2880 |
| 32 | 36.00 | 124.00 | 0.55 | 10 | 375-0032-2880 |
| 35 | 39.00 | 133.00 | 0.59 | 10 | 375-0035-2880 |
| 38 | 42.00 | 136.00 | 0.65 | 10 | 375-0038-2880 |
| 40 | 45.00 | 135.00 | 0.68 | 10 | 375-0040-2880 |
| 44-45 | 50.00 | 143.00 | 0.76 | 10 | 375-0045-2880 |
| 50-51 | 55.00 | 155.00 | 0.84 | 10 | 375-0050-2880 |
| 55 | 60.00 | 173.00 | 0.90 | 10 | 375-0055-2880 |
| 60 | 66.00 | 185.00 | 1.01 | 10 | 375-0060-2880 |
| 63-65 | 71.00 | 198.00 | 1.09 | 10 | 375-0065-2880 |
| 70 | 76.00 | 205.00 | 1.17 | 10 | 375-0070-2880 |
| 75-76 | 81.00 | 218.00 | 1.25 | 10 | 375-0075-2880 |
| 80 | 86.00 | 230.00 | 1.34 | 10 | 375-0080-2880 |
| 89-90 | 97.00 | 235.00 | 1.85 | 10 | 375-0090-2880 |
| 100-102 | 107.00 | 250.00 | 2.04 | 10 | 375-0100-2880 |
| 110 | 117.00 | 275.00 | 2.24 | 10 | 375-0110-2880 |
| 120 | 127.00 | 320.00 | 2.44 | 10 | 375-0120-2880 |
| 125-127 | 132.00 | 338.00 | 2.54 | 10 | 375-0125-2880 |
| 130 | 139.00 | 345.00 | 2.93 | 10 | 375-0130-2880 |
| 140 | 149.00 | 360.00 | 3.13 | 10 | 375-0140-2880 |
| 150-152 | 159.00 | 385.00 | 3.35 | 10 | 375-0150-2880 |
| 160 | 169.00 | 410.00 | 3.57 | 10 | 375-0160-2880 |
| 170 | 179.00 | 435.00 | 3.72 | 10 | 375-0170-2880 |
| 178-180 | 189.00 | 455.00 | 4.01 | 10 | 375-0180-2880 |
| 200-203 | 211.00 | 460.00 | 5.51 | 5, 10 | 375-0200-2880 |
| 225 | 236.00 | 518.00 | 6.18 | 5, 10 | 375-0225-2880 |
| 250 | 261.00 | 575.00 | 6.85 | 5 | 375-0250-2880 |
| 275 | 286.00 | 633.00 | 7.52 | 5 | 375-0275-2880 |
| 300 | 311.00 | 700.00 | 8.20 | 5 | 375-0300-2880 |
Positive and negative pressures are recommended operating limits; higher loads may be available on request. The bending radius is measured along the inner curve. Technical data refer to 20 °C and are approximate. We reserve the right to make technical modifications.
