HYDRAULIC CHARACTERISTICS
The safety valve with manual handwheel is an automatic valve designed to open when the internal pressure of the system reaches the maximum limit fixed ( Nominal Pressure Calibration PNR ) , allowing the water to romp through it. The safety valve automatically resets when the internal pressure of the system falls back below the nominal pressure calibration . All the moving parts and the adjusting spring of this safety valve are isolated from the heat transfer fluid by means of a rubber membrane industry. The safety valve leaflet opening to meet the essential safety requirements laid down by the European Directive
SPECIFICATIONS
- Body in brass .
- EPDM membrane .
- Stainless steel spring .
- Nominal pressure: 10 bar.
- Operating temperature: 5 ° C - 110 ° C.
- Overpressure hours: 20%.
- Closing differential : 20% .
- Calibration available : 3 bar
- Threads: ISO228 (equivalent to DIN EN ISO 228 and BS EN ISO 228).
- Available sizes : 1/2
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