Overhaul of the seal ring in York open-drive chillers

2021-01-13View Original

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Overhaul of the sealing rings in York open-drive chillers – new silicon carbide (SiC) sealing surfaces. Since October 1998, York’s third-generation patented shaft seals have been used in York open-drive chillers; these seals feature lip-shaped sealing rings, as well as four sealing rings of type O and C arranged axially. They do not deform easily under high temperatures and conditions, ensuring reliable performance over long periods of use； The three existing faults were resolved: SiC prevents overheating and bubbling of the sealing surface ； It will not adsorb copper ions ； Replace the O-ring dynamic seal with a type C corrugated ring ； Configuring a double seal meets the requirements of ASHRAE Rule 3

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Overhaul of the seal ring in York open-drive chillers

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