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Switchgear High-voltage gas-insulated switchgear Reclamation factory-sell-directly

The Evolution of Switchgear Dielectric Technology ...· SF6 became readily available and began to be used for high-voltage circuit breakers and gas-insulated substation (GIS) transmission lines in the mid-1960s. Like oil, SF6 has some disadvantages. For one, the gas can leak, so equipment must be checked periodically. The biggest drawback is that SF6 gas is a potent greenhouse gas.

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