Overheating Protection
The valve activates when airflow is interrupted and helps protect the blower against overheating.
MRV SERIES · BLOWER ACCESSORIES
Metal Relief Valves
MRV Series relief valves are installed on the inlet or outlet of side-channel blowers. In vacuum or pressure applications, they activate when airflow is interrupted or the operating pressure rises, helping protect the blower. Each valve can be adjusted to the required vacuum or pressure setting.
- Model Range
- MRV 1-MRV 5
- Connection Range
- G 1 1/2-G 4
- Construction
- Zinc-plated mild steel
- Operating Modes
- Vacuum and pressure
- Setting
- Application-adjustable
MRV 1-MRV 5 · INSTALLATION & DIMENSIONS
Product drawing and complete dimensions
The dimensional drawing and model table provide the principal envelope and G-thread connection information required for preliminary selection.
Scroll horizontally to review every published dimension.
| Model | A (mm) | ØB (mm) | C (mm) | D (mm) | Connection E |
|---|---|---|---|---|---|
| MRV 1 | 155 | 54 | 51 | 52 | G 1½ |
| MRV 2 | 187 | 70 | 60 | 63 | G 2 |
| MRV 3 | 187 | 82 | 63 | 63 | G 2½ |
| MRV 4 | 165 | 94 | 62 | 63 | G 3 |
| MRV 5 | 165 | 94 | 62 | 63 | G 4 |
Dimensions A, ØB, C and D are in millimetres; connection E uses the G-thread standard.
Vacuum & Pressure
The opening level can be adjusted to the vacuum or pressure setting required by the application.
Durable Metal Construction
Zinc-plated mild steel construction supports industrial vacuum and pressure installations.