Filtration Group Double return filter Pi 51025-057 switchable
Double return line filter Pi 51 DIN 2455 switchable
Nominal size 25 l/min, 
including:
- Bypass 3.5 bar
- Visual maintenance indicator 2.2 bar
Filtration and separation solutions from Filtration Group are designed to ensure success: they guarantee smooth plant operation, contribute to cleanliness in work environments and environmental protection, and safeguard valuable assets
Filtration Group (formerly MAHLE) Double return line filter Pi 5125-57 switchable / 78336323
Important note: 
We supply the Mahle Pi 5125-57 double return line filter without the filter elements.
For suitable filter elements and accessories, see "Accessories".
| Connection type | Thread ISO 228 | 
| Connection size | G 11/2 | 
| Display pressure of contamination indicator (bar) | 2,2 | 
| Evaluation of pollution indicators | mechanical | 
| Operating temperature | -10°C bis +80°C | 
| Bypass opening pressure (bar) | 3,5 | 
| Contact type Contamination indicator | Closer / Opener | 
| Max. Operating pressure (bar) | 10 | 
| Nominal size | 250 | 
| Type Contamination indicator | Contamination indicator | 
| Contamination indicator | ja | 
| Seal material | NBR | 
| Filter housing material | St. Lackiert | 
| Filter head material | GD AI |