The ProVia Charging Valve is used to enable air flow through port in case air pressure reaches adjusted value.
Key Features:
- Universal design which covers multiple OE applications
- Variants with return flow, with limited return flow and without return flow
- Working medium: Air
- Working pressure: Max. 13 bar
- Operating Temperature: -40°C up to +80°C
- 14 variants covering 304 OE part numbers
| ProVia number | Type | Charging pressure | Ports |
| PRO 122 024 0 | WITHOUT RETURN FLOW | 5.5 (0/-0.3) | 1,2: M22x1.5 |
| PRO 122 025 0 | WITHOUT RETURN FLOW | 6 (0/-0.3) | |
| PRO 122 032 0 | WITH LIMITED RETURN FLOW | 6.2 (0/-0.3) | |
| PRO 122 031 0 | WITH LIMITED RETURN FLOW | 6.4 (0/-0.3) | |
| PRO 122 029 0 | WITHOUT RETURN FLOW | 6.5 (0/-0.3) | |
| PRO 122 026 0 | WITHOUT RETURN FLOW | 7 (0/-0.3) | |
| PRO 122 027 0 | WITHOUT RETURN FLOW | 7.3 (0/-0.3) | 1,2: M22x1.5 (VOSS port in the body) |
| PRO 122 035 0 | WITHOUT RETURN FLOW | 7.3 (0/-0.3) | 1,2: M22x1.5 |
| PRO 122 037 0 | WITH RETURN FLOW | 7.3 (0/-0.3) | |
| PRO 122 033 0 | WITH LIMITED RETURN FLOW | 8 (+0.3/0) | |
| PRO 122 028 0 | WITH LIMITED RETURN FLOW | 8.5 (0/-0.3) | |
| PRO 122 030 0 | WITH LIMITED RETURN FLOW | 10 (0/-0.3) | |
| PRO 122 034 0 | WITH RETURN FLOW | 10.3 (0/-0.3) | |
| PRO 122 036 0 | WITHOUT RETURN FLOW | 10.8 (0/-0.3) |