NORRES NORPLAST® PUR-C 385 AIRFLEX AS
Lightweight antistatic PUR hose for dust, granulates and blasting applications
NORRES NORPLAST® PUR-C 385 AIRFLEX AS is a lightweight, flexible and antistatic suction and discharge hose made of premium ester-polyurethane (Pre-PUR®) with an embedded grounding wire. The hose is designed for the conveying and extraction of abrasive powders, granulates, sand and dust – also suitable for use in potentially explosive areas (Zone 22). Ideal for the construction and surface-treatment industries, insulation blowing systems, blasting recovery units and floor preparation machines.
Applications
For transport and suction of abrasive powders and granulates, dust collection in blasting chambers and shipyards, and for use on insulation and grinding machines where high flexibility and low weight are required.
Properties and approvals
- Permanently antistatic wall according to ISO 8031 (<10⁹ Ω).
- Integrated grounding wire for the discharge of electrostatic charges.
- Excellent abrasion resistance, microbe resistance and chemical resistance.
- Lightweight construction with smooth inner surface and rigid PVC spiral.
- Complies with RoHS and REACH regulations; phthalate-free.
- Temperature range: −20 °C to +70 °C (short-term up to +80 °C).
Construction
- Rigid PVC spiral integrated in wall
- Permanently antistatic ester-PUR wall (Pre-PUR®)
- Embedded grounding wire
Recommended accessories
- CLAMP 211 – stainless-steel hose clamp with grounding option
- CONNECT 223 / 228 – adapter and transition fittings
- CONNECT 270-271 – hygienic stainless-steel couplings
Need technical assistance?
Contact us for professional guidance on installation, grounding and safe operation of antistatic hoses in Zone 22 environments.
FAQ: NORRES NORPLAST® PUR-C 385 AIRFLEX AS
What is this hose used for?
For conveying and suction of powders, granulates and dust in industrial environments and ATEX Zone 22.
Is the hose antistatic?
Yes – it has a permanently antistatic wall (<10⁹ Ω) and an embedded grounding wire for safe charge dissipation.
Is it suitable for ATEX zones?
Yes – the hose is designed for use in Zone 22 (dust, inside / outside).
What is the temperature range?
From −20 °C to +70 °C (short-term up to +80 °C).
Which accessories are recommended?
Use CLAMP 211 and CONNECT 223 / 228 or CONNECT 270-271 for ATEX-compliant installation.
Related links
Technical specifications
| Inner Ø (mm) | Outer Ø (mm) | Pressure (bar) | Vacuum (bar) | Bending radius (mm) | Weight (kg/m) | Order no. |
|---|---|---|---|---|---|---|
| 25 | 31.0 | 1.0 | 0.25 | 17.5 | 0.21 | 4608-025-000 |
| 32 | 38.0 | 0.85 | 0.20 | 19.0 | 0.24 | 4608-032-000 |
| 38 | 45.0 | 0.75 | 0.20 | 31.0 | 0.28 | 4608-038-000 |
| 40 | 47.0 | 0.75 | 0.20 | 40.0 | 0.36 | 4608-040-000 |
| 45 | 52.0 | 0.65 | 0.20 | 42.5 | 0.37 | 4608-045-000 |
| 51 | 58.0 | 0.50 | 0.20 | 45.0 | 0.47 | 4608-050-000 |
| 60 | 68.0 | 0.50 | 0.16 | 50.0 | 0.52 | 4608-060-000 |
| 63–65 | 71.0 | 0.45 | 0.16 | 48.5 | 0.56 | 4608-063-000 |
| 70 | 79.0 | 0.40 | 0.16 | 60.0 | 0.66 | 4608-070-000 |
| 75–76 | 84.0 | 0.38 | 0.16 | 66.0 | 0.60 | 4608-075-000 |
| 80 | 89.0 | 0.35 | 0.16 | 70.0 | 0.72 | 4608-080-000 |
| 90 | 100.0 | 0.30 | 0.14 | 80.0 | 0.95 | 4608-090-000 |
| 100–102 | 110.0 | 0.28 | 0.13 | 90.0 | 1.01 | 4608-100-000 |
| 125–127 | 136.0 | 0.25 | 0.10 | 107.5 | 1.29 | 4608-125-000 |
Overpressure and underpressure are recommended operating limits. Bending radius is measured on the inner side of the hose arc. Technical modifications reserved. All values determined at 20 °C.
