My company has provided mechanical seals on some of the machinery we build/sell for decades now.
In the early days, the seals were quite limited in range. Then as materials improved and mechanical designs developed, some seals were advertised to handle more shaft runout, higher operating temperatures, etc. Now it seems these claims are being wound back a bit.
When servicing or replacing older machines, this can get sticky when we can't offer something that we offered in the past.
What's driving that? Were those limits simply too aggressive, are the materials less premium than before, is this to increase the overall reliability, or something else?
In the early days, the seals were quite limited in range. Then as materials improved and mechanical designs developed, some seals were advertised to handle more shaft runout, higher operating temperatures, etc. Now it seems these claims are being wound back a bit.
When servicing or replacing older machines, this can get sticky when we can't offer something that we offered in the past.
What's driving that? Were those limits simply too aggressive, are the materials less premium than before, is this to increase the overall reliability, or something else?
