Gold Seal GSV25G Gas Solenoid Shut-Off Valve – 1 EN 161 Class A Auto Reset 25mm Bore 230V AC Gold Seal 1 Gas Solenoid safety shut-off valve with Automatic Reset. EN 161 Class A, CE marked. 230V AC. 25mm nominal bore, 360mbar max inlet, IP54. G¼ ports on both sides and bottom for CPI or gas proving connections. Blue neon indicator light. Aluminium alloy. Natural gas, LPG and non-aggressive gases. 158 × 100 × 80mm. 1-year warranty. The Gold Seal GSV25G is the 1 version of the GSV solenoid valve range — 25mm nominal bore for higher-flow commercial gas supply mains where the 1/2 or 3/4 is insufficient. The same EN 161 Class A approval, auto reset function, G¼ CPI/proving ports, blue neon indicator and aluminium alloy construction apply across the range. Choose the valve size based on pipeline size and flow rate requirements.