Safety group for solar pump stations, with safety relief valve, pressure gauge (010 bar), expansion vessel connection, connection with O-Ring and locking nut.
Max working temperature: 140 °C
Max working pressure: 10 bar
Nominal setting pressure (Pn): 3, 6 bar (factory set and sealed)
Opening overpressure: +10% of Pn
Reseating pressure: -20% of Pn
Flow coefficient: K=0,05
Connections: threaded connections ISO 228-1
Suitable fluids: water for thermal systems, glycol solutions (max 50%)
| CODICE_ARTICOLO | size | Calibration [bar] | NPS | NPC |
|---|---|---|---|---|
| x | - | - | - | - |
| 03D0150003 | G 1/2 M - G 3/4 M | 3 | 1 | 20 |
| 03D0150006 | G 1/2 M - G 3/4 M | 6 | 1 | 20 |
Instruction booklet 
