The fore-vacuum safety valve is installed in the fore-vacuum line of a pump combination between the turbopump and the fore-vacuum pump, Additional safety against backflow during a power failure, Connection voltage 115 V AC
The fore-vacuum safety valve is installed in the fore-vacuum line of a pump combination between the turbopump and the fore-vacuum pump, Additional safety against backflow during a power failure, Connection voltage 230 V AC
Don't worry we won't leave you in a vacuum