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English to Italian translations [PRO] Tech/Engineering - Engineering (general) / Technical
English term or phrase:pilot valve
*Primary Pilot Valve
*Extended Pilot Valve
Stiamo parlando di sistemi antincendio.
To operate fire system
1) Turn valve lever of both primary and extended pilot valves to the right and leave in open position.
2) Return primary pilot valve lever to closed position after __ seconds.
3) Return extended pilot valve lever to closed position after __ minutes.