Why aren’t some compressors equipped with dry gas seals?
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Why isn’t a dry gas seal used in the process air compressor, while it is used in the syngas compressor?
Since it transports non-flammable gases, a mechanical seal or a comb tooth seal is sufficient, resulting in lower costs.
The function of a dry gas seal is to prevent the gases from the unit from leaking outside. The air used in air compressors is not harmful to the environment, nor is it a flammable or explosive substance; therefore, a small amount of leakage into the atmosphere has no impact； The synthesis gas used as the medium in the synthesis gas compressor is a flammable and explosive gas; it is essential to prevent any leaks, which is why dry gas seals are required.
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