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Thermal relief valve, positive action
A combination of safety and control is provided by our positive action thermal relief valve. This is supplied with a manual reset for burner lockout or alarm, providing extra safety in use.
Discharge potential and certification
The valve discharge capacity varies with size. The sizing specifications are:
- 1 1/2" x 1 1/4" - 136kW
- 1 1/2" x 1 1/2" - 419 kW
The valve is also certified and calibrated on the INAIL (Ex ISPESL) bench, guaranteeing reliability and precision.
Technical specifications
The technical specifications of the thermal relief valve include:
- Connection: G 1 1/2" A (ISO 228-1) M
- Exhaust connection: G 1 1/4" (ISO 228-1) F
- Maximum operating pressure: 10 bar
- Minimum operating pressure: 0.3 bar
- Fluid temperature range: 5–110 °C
- Calibration: 98 °C
- Maximum exhaust power: 136 kW
