To test the integrity of mechanical seals fitted with a secondary containment seal.
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Containment seals have been widely adopted, however it is our concern that it is very difficult to monitor the integrity of the secondary containment sealing element.
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Centrifugal process gas compressors, and also certain rotary compressors, require sealing elements between the pressurized gas-containing volume and the bearing assemblies that support the compressor rotor.
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Dry containment seals have gained popularity over the last few decades and provided reliable service. The refinery sector has used this sealing technology to limit fugitive emissions.
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Our guide to the 4th Edition of the API 682 Standard, What's changed and how it relates to shaft sealing systems
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Mechanical seal designers face opposing challenges when developing dual seals. The requirement to provide optimised seal face cooling conflicts with the need to provide a seal that is tolerant of pressure reversal and abrasive or congealing fluids
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High cost of replacing pumps and dependability of existing machines has restricted the wholesale replacement of these assets. Consequently, there are large populations of pumps and seals operating today whose designs date back to the 1960's.