NORRES AIRDUC PUR 356 EC XHD
Electrically Conductive PUR Hose for ATEX Zone 20-22 – XHD
NORRES AIRDUC® PUR 356 EC (XHD) is an electrically conductive, extra heavy-duty PUR hose for ATEX zones 20-22, designed for extremely demanding requirements in conveying and extraction of highly abrasive bulk materials, granulates, stones, and dust in explosive environments. The hose ensures safe operation in zone 20, 21, and 22 and is used for vacuum trucks, silos, and industrial cleaning applications.
Read more about ATEX zones and regulations.
Heavy-Duty ATEX Hose for High Throughput
AIRDUC® PUR 356 EC (XHD) is engineered for maximum abrasion resistance and durability – super heavy-duty, reinforced under spring wire with dense hose pitch. The hose handles sand, quartz, granulate, chips, stone masses, and extremely abrasive particles – suitable for process plants, vacuum trucks, silos, and industrial systems requiring ATEX compliance.
Static electricity and grounding are critical in ATEX zones. Read our guide: Know your Ohm, know your ATEX risk?.
Certified Safety in Ex Areas
AIRDUC® PUR 356 EC (XHD) features a conductive Pre-PUR® wall and integrated spring wire with surface resistance < 10³ Ω – certified according to ATEX 2014/34/EU, 1999/92/EC, and TRGS 727. The hose is tested for Zone 20, 21, and 22 interior and Zone 22 aspiration. Built for safe transport of combustible and non-combustible dust, powders, liquids, and gases under ATEX regulations. See how weak links can create explosion hazards.
Flexible Performance and Temperature Resistance
The hose tolerates −40 to +90°C, resists oil, gasoline, and chemicals, and retains its shape and flexibility even under tough industrial loads. Perfect for demanding industrial users where ATEX zones and extreme durability are a must – delivered with NORRES' unique XHD profile and selection of special connections.
Do you need technical advice?
Contact us for personalized guidance on selecting electrically conductive PUR hoses for ATEX zone 20-22 (XHD), connectors, and safe grounding for industrial installations.
Technical Note
TRGS 727 requires electrically conductive material (< 10⁶ Ω) for pneumatic transport of combustible dust. AIRDUC® PUR 356 EC (XHD) meets all requirements and ensures reliable operation in zones 20, 21, and 22. The hose has extra abrasion layers and reinforcement in primary stress areas – tested and certified by NORRES for ATEX use.
FAQ: Electrically Conductive PUR Hose for ATEX Zone 20-22 XHD
Which environments is it suitable for?
Used for industry, vacuum trucks, process plants, silos, mining, and conveying abrasive bulk materials in ATEX zones 20-22.
Is it ATEX certified?
Yes, certified for Zone 20, 21, and 22 according to ATEX 2014/34/EU, TRGS 727, and NFPA 652.
Can it be grounded?
Yes, the spiral wire is embedded in conductive Pre-PUR® and the hose fulfils ESD and ATEX zone management requirements.
Is the hose food approved?
No, AIRDUC® PUR 356 EC (XHD) is only for industrial bulk materials, not for food contact.
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Technical Specifications
| Inside diameter (mm) | Outside diameter (mm) | Pressure (bar) | Vacuum (bar) | Bending radius (mm) | Weight (kg/m) | Stock dimensions (m) | Production lengths (m) | Order No. |
|---|---|---|---|---|---|---|---|---|
| 40 | 51.00 | 3.635 | 1.000 | 109.00 | 0.82 | 10 | - | 356-0040-1003 |
| 50 | 61.00 | 2.950 | 1.000 | 134.00 | 1.00 | 10 | 15 | 356-0050-1003 |
| 51 | 62.00 | 2.800 | 1.000 | 134.00 | 1.01 | 10 | 15 | 356-0051-1003 |
| 60 | 71.00 | 2.485 | 1.000 | 156.00 | 1.18 | 10 | - | 356-0060-1003 |
| 75 | 87.00 | 2.010 | 1.000 | 195.00 | 1.46 | 10 | - | 356-0075-1003 |
| 76 | 88.00 | 1.995 | 1.000 | 195.00 | 1.48 | 10 | - | 356-0076-1003 |
| 100 | 113.00 | 1.685 | 1.000 | 272.00 | 2.27 | 10 | 15 | 356-0100-1003 |
