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Hydraulic Fail Safe Brake
SBD-C series hydraulic fail safe brake is a high-power braking device used on low-speed shafts (reel shafts).
It can be widely used for emergency safety braking of large and medium-sized cranes, port loading and unloading machinery, and low-speed shafts of boom lifting mechanisms.
Description
Hydraulic Fail Safe Brake
Working conditions:
Ambient temperature: -20°C~+50°C;
Relative humidity: ≤90%;
Optional hydraulic station (please refer to the hydraulic station catalog for details on hydraulic station selection);
If you have special requirements, please negotiate when ordering.
Outline And Installation Dimension

INSTALLATION DIAGRAM

Main feature:
1. Normally closed design, safe and reliable. Special disc spring applies force to brake and hydraulic drive releases.
2. The action is sensitive and the closing (switching) time is short.
3. Optional switches such as gate opening limit, gasket wear, limit limit, etc., for signal display or interlock protection.
4. High-performance non-asbestos hard friction pad, stable friction coefficient, does not damage the brake disc, and is not sensitive to water media and salt spray (sea water).
5. Reasonable sealing structure design and imported famous brand seals. Good effect and long life.
6. Flexible installation location, easy to use, adjust and maintain.
Basic parameters:
Product model: SBD250-C, SBD365-C, SBD425-C
Applicable disk diameter: ØD≥Ø1800mm
Braking force: 108KN-306KN
Technical data
Type | Rated clamp force(KN) | Braking force(KN) | Single-side shoe clearance(mm) | Working pressure force of oil cylinder(Mpa) | Oil cylinder volume(ml) | Weight |
SBD250-C | 250 | 180 | 1~2 | 8 | 275 | 660 |
SBD365-C | 365 | 202 | 1~2 | 8 | 275 | 720 |
SBD425-C | 425 | 306 | 1~2 | 9.5 | 275 | 730 |

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