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SKU: LM170NSDP
Membrane / Disc Packs
LM.170 Non Spark Disc Pack
£151.20
ex. VAT · £181.44 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Rated Torque Nm
860
Maximum Speed RPM
5200
Outer Diameter D (mm)
128
Hub Diameter H (mm)
77
Min Bore (mm)
17
Max Bore Type 2 Adapter (mm)
70
Max Angular Misalignment
0.5 deg
Disc Pack Material
Stainless Steel 1034 N/mm2
Weight (kg)
7.38
Torsional Stiffness (MNm/Radian)
0.49203
Weight
0.01kg
Standards & Fit
JS9
JS9 Keyway
Tight fit anti-roll standard
H7
Precision Transition Fit
Precision bore fit
ISO
ISO 9001:2015
Quality Assured
| Parameter | Value | Notes |
|---|---|---|
| SKU | LM170NSDP | Aroflex part number |
| Rated Torque Nm | 860 | |
| Maximum Speed RPM | 5200 | |
| Outer Diameter D (mm) | 128 | |
| Hub Diameter H (mm) | 77 | |
| Min Bore (mm) | 17 | |
| Max Bore Type 2 Adapter (mm) | 70 | |
| Max Angular Misalignment | 0.5 deg | |
| Disc Pack Material | Stainless Steel 1034 N/mm2 | |
| Weight (kg) | 7.38 | |
| Torsional Stiffness (MNm/Radian) | 0.49203 | |
| Weight | 0.01 kg | |
| Bore Tolerance | H7 | Precision transition fit |
| Material | Steel / Friction disc | Standard construction |
| Certification | ISO 9001:2015 | Quality assured |
LM.170 Non Spark Disc Pack
ATEX Certified Non-Sparking Disc Pack for Hazardous Environments
The LM.170 Non Spark Disc Pack is engineered for use in volatile or hazardous environments where spark-free operation is essential. The flexible discs are manufactured from a special non-sparking alloy, with bushes and sleeves in phosphor bronze and cap screws in High Tensile Grade 12.9 steel — a material combination specifically chosen to eliminate the risk of arcs, sparks or hot surfaces during operation.
Key Benefits & Features
- ATEX Certified: Fully certified to ATEX Directive 94/9/EC, Group 2 Category 2 equipment, for safe use in explosive atmospheres.
- Non-Sparking Construction: Special alloy discs and phosphor bronze components prevent ignition sources in hazardous areas.
- Wide Operating Range: Rated for ambient temperatures between -40°C and 100°C.
- High Speed Capability: Rated to 5,200 RPM maximum speed.
For custom bore and keyway machining, see our in-house engineering service.
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