Product number
The Spann-Box® Type 1 as a belt tensioner is available with various profile shapes: cylindrical, crowned, for flat belts, V-belts according to DIN 2215, or round belts. The optical control indicator signals adjustment needs in a timely manner.
It is offered in three different versions, which primarily differ in the mounting position of the tensioning rollers. The basic construction is identical in all versions. Special and stainless steel versions are available upon request.
Type SR-S: The tensioning roller is mounted on the front side, with optional roller widths of 20, 30, or 40 mm.
| Enclosure material | Steel, KTL-coated |
| Clamping path (mm) | 40 |
| Guide type | tensioning roller |
| Clamping force according to number of springs (N) | 132 - 60 |
| Clamping force according to number of springs (N) | 264 - 120 |
| Clamping force according to number of springs (N) | 396 - 180 |
| Suitable mounting brackets | 281090001 |
| Suitable mounting brackets | 281090029 |
| Suitable mounting brackets | 281090092 |
Belt tensioner Spann-Box® size 1 type SR-S
Robust belt tensioner with tensioning roller on the end face for round belts and V-belts according to DIN 2215 or flat belts
Matching belt
tensioning force
Roll width (mm)
Roll vshape
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Product number
The Spann-Box® Type 1 as a belt tensioner is available with various profile shapes: cylindrical, crowned, for flat belts, V-belts according to DIN 2215, or round belts. The optical control indicator signals adjustment needs in a timely manner.
It is offered in three different versions, which primarily differ in the mounting position of the tensioning rollers. The basic construction is identical in all versions. Special and stainless steel versions are available upon request.
Type SR-S: The tensioning roller is mounted on the front side, with optional roller widths of 20, 30, or 40 mm.
| Enclosure material | Steel, KTL-coated |
| Clamping path (mm) | 40 |
| Guide type | tensioning roller |
| Clamping force according to number of springs (N) | 132 - 60 |
| Clamping force according to number of springs (N) | 264 - 120 |
| Clamping force according to number of springs (N) | 396 - 180 |
| Suitable mounting brackets | 281090001 |
| Suitable mounting brackets | 281090029 |
| Suitable mounting brackets | 281090092 |
Material Information
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