VULKAN RATO-R3930 highly flexible coupling nominal torque is 125.0-160.0kNm with permitted rotational speed 1210rpm.
As a complement to the “all-round” RATO-S highly flexible coupling, the specially designed VULKAN RATO-R is used in drive systems that require high torsional flexibility and strong misalignment compensation capability.
| VULKAN RATO-R3930 Coupling | |
| Coupling Type and Size | Dimension Group |
| RATO-R3937 | RATO-R3930 |
| RATO-R3931 | |
| RATO-R3935 | |
| VULKAN Coupling RATO-R3930 Technical Data | |
| Nominal Torque | 125.0-160.0 kNm |
| Maximum Torque | 188.0-240.0 kNm |
| Permitted Vibratory Torque | 37.50-48.00 kNm |
| Permitted Rotational Speed | 1210 rpm |
| Element Rows | 3 rows |
| Stiffness Grade | 7 / 1 / 5 |
| VULKAN RATO-R Series | Series 2200 / Series 2201 |
Applications of VULKAN RATO-R3930 Highly Flexible Coupling
Marine: Suitable for main engines, shaftlines, and gearboxes.
Power Generation: Designed for use with generator sets and alternators.
Industrial: Applied in compressors, pumps, cranes, and other heavy-duty drives.
The RATO-R3930 coupling ensures reliable torque transmission while effectively compensating for misalignments and reducing vibration, making it an ideal solution across diverse industries.
- VULKAN RATO-R3930 Highly Flexible Couplings Technical Data
- VULKAN RATO-R Couplings Geometric Data
- VULKAN RATO-R Couplings Alignment Instructions
Specifications subject to change without prior notice in the interest of continual product improvement. Our technical team can support you with torsional vibration analysis, coupling selection, and replacement guidance. Contact our sales representative for a quotation or technical support on the VULKAN RATO-R coupling.