NORRES NORPLAST® PUR 385 AS GRANUFLEX
Antistatic flexible PU hose for granulates, powder and bulk material
NORRES NORPLAST® PUR 385 AS GRANUFLEX is a flexible, antistatic suction and transport hose made from premium ether-based polyurethane (Pre-PUR®) with a smooth interior and integrated grounding wire. Designed for conveying plastic granulates, powders and insulation materials, it is also ideal for wood pellet systems and textile production. The hose combines high abrasion resistance, low weight and superior flow efficiency — up to six times more wear-resistant than conventional PVC hoses.
Applications
Suitable for conveying and extraction of granulates, powder, wood pellets, dust and fibres in:
- Wood pellet and biomass installations
- Construction and insulation blowing systems
- Textile industry (spinning, knitting and weaving machines)
- Plastics processing and granulate handling
Properties
- Made of environmentally friendly, softener-free Pre-PUR® – completely PVC-free.
- Up to 6× higher abrasion resistance compared to PVC hoses.
- Low friction and smooth inner wall for high flow performance.
- Permanently antistatic with integrated grounding wire.
- Temperature range: −25 °C to +85 °C.
- Lightweight, flexible and shape-stable construction with reinforced PVC spiral.
Design
1 = Reinforcement: rigid PVC spiral (antistatic)
2 = Wall: smooth Pre-PUR® (premium polyurethane)
3 = Integrated grounding wire (static discharge)
Recommended accessories
- CLAMP 212 – stainless-steel clamp with grounding connection
- CONNECT 228 – adapter and transition coupling
- CONNECT 270–271 – stainless-steel coupling with antistatic bonding
- CONNECT 245 – hygienic Tri-Clamp connection
Need technical assistance?
Contact us for expert advice on selecting and installing flexible, antistatic hoses for granulate, powder and insulation systems.
FAQ: NORRES NORPLAST® PUR 385 AS GRANUFLEX
What is this hose used for?
For conveying and extraction of plastic granulates, powders, wood pellets, dust and fibres in industrial and technical applications.
Is it antistatic?
Yes – the hose has an integrated grounding wire that can be earthed to safely discharge static electricity.
Is it food-grade?
No – it is intended for technical and industrial use only, not for food contact.
What is the temperature range?
From −25 °C to +85 °C.
Which accessories are recommended?
CLAMP 212 and CONNECT 228/270 series depending on installation and grounding requirements.
Related links
Technical specifications
| Inner Ø (mm) | Outer Ø (mm) | Vacuum (bar) | Bending radius (mm) | Weight (kg/m) | Order no. |
|---|---|---|---|---|---|
| 38 | 45.0 | 0.20 | 38 | 0.34 | 4609-038-000 |
| 40 | 47.0 | 0.20 | 40 | 0.35 | 4609-040-000 |
| 45 | 52.6 | 0.20 | 45 | 0.43 | 4609-045-000 |
| 51 | 59.0 | 0.20 | 51 | 0.52 | 4609-050-000 |
| 60 | 68.2 | 0.16 | 60 | 0.60 | 4609-060-000 |
Vacuum values are recommended operating limits. Bending radius measured through the inner curve of the hose. Subject to technical modifications. All values determined at approx. 20 °C.
