Master-PUR STEP Ester-PU Flame Protection Ducting with Crush Recoverable PU Helix
Product Code: M396

Description
Master-PUR Step is our crush-resistant PU film hose, hardly inflammable according to DIN 4102 B1. It features a polyester polyurethane wall with an integrated wire and an added flame protector, making it more abrasion-resistant compared to polyether polyurethane. The spiral is made of hardly inflammable polyurethane.
Features and Applications
Master-PUR Step is ideally suited as a suction and delivery hose in conditions where conventional hoses might deform, such as on the floor where it can be stepped on. It is perfect for the woodworking industry, protection applications, and the transport and suction of sawdust, woodchips and woodworking dust.
Properties
Crush-resistant and recoverable, excellent resilience properties, high resistance to mechanical load, abrasion-resistant, super lightweight, very flexible, generally good UV and ozone resistance, optimum flow characteristics, electrically conductive to BGR 132 by grounding wire, RoHS compliant.
Master-PUR Step stands out in tough industrial environments. Its exceptional crush resistance and recoverability ensure durability, while its flexibility and light weight nature make handling easy. Perfect for demanding tasks, it guarantees top performance and safety across various applications. Bore Finish: Smooth
Temperature
- -40°C to 90°C, intermittently as high as 125°C
Applications
- Extraction of sawdust and woodchips
- Woodworking dust extraction
- Applications where the hose may be accidentally crushed
Certification
- ATEX 2014/34/EU (1999/92/EC)
- TRGS 727
- DIN 4102-B1
- DIN ISO 4649
- BGI 739-2
- RoHS
- REACH
Suitable Media
- Sawdust
- Woodchips
- Woodworking dust
Construction
- Wall: Ester-PU
- Helix: PU
Available Colours
- Clear
- Blue
| Part | Inner Diameter | Outer Diameter | Wall Thickness | Working Pressure | Vacuum Rating | Bend Radius | Weight | Length | Max Production Length |
|---|---|---|---|---|---|---|---|---|---|
| M396-050 | 50 | 68 | 0.5 | 0.78 | 2.04 | 50 | 390 | 10 | 25 |
| M396-051 | 51 | 68 | 0.5 | 0.78 | 2.04 | 50 | 390 | 10 | 25 |
| M396-060 | 60 | 80 | 0.5 | 0.76 | 1.94 | 65 | 450 | 10 | 25 |
| M396-075 | 75 | 94 | 0.5 | 0.62 | 1.33 | 74 | 600 | 10 | 25 |
| M396-076 | 76 | 95 | 0.5 | 0.61 | 1.33 | 75 | 610 | 10 | 25 |
| M396-080 | 80 | 100 | 0.5 | 0.53 | 1.33 | 80 | 650 | 10 | 25 |
| M396-100 | 100 | 118 | 0.5 | 0.47 | 0.918 | 98 | 790 | 10 | 25 |
| M396-102 | 102 | 120 | 0.5 | 0.46 | 0.918 | 100 | 800 | 10 | 25 |
| M396-120 | 120 | 140 | 0.5 | 0.38 | 0.918 | 120 | 950 | 10 | 25 |
| M396-140 | 140 | 160 | 0.5 | 0.3 | 0.612 | 140 | 1150 | 10 | 25 |
| M396-150 | 150 | 168 | 0.5 | 0.3 | 0.612 | 148 | 1190 | 10 | 25 |
| M396-152 | 152 | 170 | 0.5 | 0.3 | 0.612 | 150 | 1200 | 10 | 25 |
| M396-160 | 160 | 180 | 0.5 | 0.3 | 0.612 | 160 | 1300 | 10 | 25 |
Please be advised; specifications assume standard room temperature unless otherwise specified. All data presented here is intended as a guide only; we are not responsible for errors or discrepancies in the specifications.
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Please contact our sales office on 01636816612 or email us at sales@megaflex.co.uk for further details!

