Gas Seismic Valve S-Tech Automatic Seismic Protection Valve for Natural Gas Networks. In the event of an earthquake, they automatically cut off the natural gas supply to the network.
Gas Seismic Valve S-Tech Automatic Seismic Protection Valve for Natural Gas Networks. In the event of an earthquake, they automatically cut off the natural gas supply to the network.
Gas Seismic Valve S-Tech Automatic Seismic Protection Valve for Natural Gas Networks. In the event of an earthquake, they automatically cut off the natural gas supply to the network.