Q&A: Selecting the correct seal face material

12 January 2018

Why are there so many different seal face materials? How do I select the correct face material? What properties are important for seal faces?

Mechanical seals are available with a wide range of face materials that may appear arbitrary and confusing. Some are referred to by generic names such as “carbon” or “ceramic”. Seals can also be offered in a number of different face material combinations. These offerings however are hardly arbitrary but are the culmination of many decades of field experience and research. It might be helpful to first consider some common mechanical seal concepts.

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