Caleffi 311431 Safety Relief Valve
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Safety Relief Valve
High-quality Caleffi safety relief valve with 3 bar working pressure, G1/2 connection, and 100 kW discharge rating. Certified to NF P 52-001 Class 2 for reliable pressure protection in heating and hydronic systems.BoilerCaleffiControlHeatingHydronicIndustrialOverpressurePressureProtectionReliefSafetySystemThermalValve
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Caleffi Safety Relief Valve
The Caleffi 311431 Safety Relief Valve is engineered for dependable overpressure protection in heating and hydronic systems. Designed with high-quality materials and certified to the NF P 52-001 Class 2 standard, it ensures stable operation, reliable discharge performance, and long-term system safety.
Manufacturer: Caleffi
Type: Safety relief valve
Part No.: 311431
Bar code: 8016615003543
Code: 1518
| Working Pressure | 3 bar |
| Connection | G1/2 |
| Medium temperature range | 5 to 110 °C |
| Maximum discharge rating | 100 kW |
| Nominal pressure | 3.6 bar |
| Discharge overpressure | 20 % |
| Closing differential | 15 % |
| Certified to | NF P 52-001 standard - Class 2 |
| Recommendation | This model is ideal for installers and system operators seeking a highly reliable safety component for boilers, closed-loop circuits, and thermal systems. Its precise pressure control, high discharge efficiency, and strong certification rating make it a preferred choice for both residential and industrial applications. Choosing this valve ensures maximum protection, reduced maintenance needs, and increased system longevity. |























