STB Stuffing Box Seal Kit – Packing Gland, Metric & Imperial Sizes
The STB stuffing box seal kit is a classic packing gland solution designed for sealing marine propeller shafts in water-lubricated systems. It provides reliable sealing while allowing controlled lubrication to minimize friction and wear.
The system is based on a flexible bellows construction with clamp mounting, ensuring a secure and tight connection to the stern tube. Water lubrication is regulated through the internal bushing, offering a simple and effective sealing method without the need for external power.
Key Features
- Traditional stuffing box / packing gland design
- Flexible bellows with clamp mounting
- Controlled water lubrication via bushing
- Non-powered, simple and reliable system
- Includes safety ring and installation components
- Suitable for marine propulsion shaft systems
Technical Specifications
| Shaft | Stern Tube (mm) | Length (mm) | SKU |
|---|---|---|---|
| 25 mm | 42 | 105 | STB25 |
| 30 mm | 48 | 111 | STB30 |
| 35 mm | 54 | 119 | STB35 |
| 40 mm | 60 | 119 | STB40 |
| 45 mm | 64 | 118 | STB45 |
| 50 mm | 70 | 120 | STB50 |
| 1″ | 43 | 105 | STB2540 |
| 1 1/4″ | 49 | 111 | STB3175 |
| 1 1/2″ | 60 | 119 | STB3810 |
| 1 3/4″ | 65 | 117 | STB4445 |
| 2″ | 70 | 120 | STB5080 |
This stuffing box seal kit is ideal for applications where a simple, serviceable, and proven shaft sealing solution is required. It allows easy maintenance and adjustment while ensuring long-term reliability in marine environments.
