Because of the way they operate, all thermodynamic disc traps leak steam. It’s not a question of IF, but of How Much, and how much more over time.

Typically the leakage is two pounds per hour when the trap is new, and increases to about five pounds per hour after just one year in service.

This amount of leakage or wasted steam can be expensive for the steam producer. But before you write it off as an expense you just have to grin and bear, check this out:
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