| Function | Direct-loaded spring safety relief against overpressure |
| Refrigerant | R744 (CO₂) |
| High-pressure series | CLR: set-pressure range 100–150 bar |
| Lower-pressure alternative | BLR: set-pressure range 3–60 bar |
| Example CLR orifice sizes | 10 or 14 mm |
| Example CLR inlet threads | 1/2, 3/4, 1 or 1¼ in NPT, by model |
| Discharge | Piped discharge; connection varies by model |
| Selection standards | Applicable PED / EN 378 engineering requirements |
