TIP120 and Solenoid Gas Valve
It can be operated using 220VAC or 12/24/48 VDC


No it cannot.

The Eska EGV range is specified: -


Working Voltage Range: 12V, 24V, 48V, 110V, 220V AC or DC (On request other voltages)
Voltage Tolerance: ± %10


That does not mean that a 220 V AC coil will work at 12 volt. If you buy one rated for 220 V AC then it will work at 220 V AC +/- 10%.