Sealing Technology for Caustic Service

Caustic applications in chemical plants can play havoc on the mechanical seals of rotating equipment. These applications can be difficult to seal because of the caustic chemical properties in both solution and dehydrated states. Caustic solutions form harmful crystals as the liquid evaporates and the concentration increases past the solubility point. As the solution becomes hotter or more concentrated (or both), it becomes more corrosive, further impacting mechanical seal reliability.

 

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