Flamco Prescomano 1/2 x 1/2 – 3bar NF Safety Valve with Pressure Gauge

SKU: 200902
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Safety valves with pressure gauge for sealed central heating and chilled water (cooling) installations.

Prescor safety valves have a special shape which, not only achieves a perfect seal, but also provides a large blow off capacity. The valve seal is made of high quality rubber which is heat resistant to 140 °C and where the hardness of the rubber adjusts to the set pressure of the safety valve. In this way, the valve cannot stick to the seat.


Set pressure [bar]: 3.0
Connection: Rp 1⁄2
Heating capacity [kW]: 125
Max. operating pressure at 20 °C [bar]: 10
Max. medium temperature (continuous) [°C]: 120
Min. medium temperature (continuous) [°C]: -10
Bellows seal: Yes
Sealing: Rubber/plastic
Overflow pressure [bar]: 3 – 3.3
Suitable for continuous operation: Yes
Length of connection 1 [mm]: 21.5
Length of connection 2 [mm]: 28.5
Height [mm]: 69
Angle of the device [°]: 90
Spindle angle [°]: 180

Additional information

Weight 1 kg
Manufacturers Code








SKU 200902


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