SNS-VN

Diamond-Coated Seal Faces: Benefits and Points to Consider

Diamond coating is a technology that puts diamond coating onto silicon carbide surfaces to increase hardness and reduce friction. EagleBurgmann commercialized this technology under the name DiamondFace, while Advanced Diamond Technologies introduced optimal diamond surfaces for dry running conditions.

Why to care.

Dry running and solid particulate leather are two common causes of debris. Diamonds have very high hardness and low friction, so in principle help the debris face with better wear resistance and reduce heat generation when the liquid membrane is lost.

Attention from specialists.

The journal Hydrocarbon Processing has published a warning to buyers to be careful when viewing diamond coating as the solution for dry running. It is necessary to consider adhesion and coating thickness, independent test conditions, compatibility with leather materials and cost-to-benefit.

suggestion when choosing.

  • Require test data in conditions close to actual operation.
  • Compared to silicon carbide combustion and other anti-dry running solutions.
  • Consider the total cost of the life cycle instead of just the initial purchase price.

Source of reference.

EagleBurgmann, Pumps and Systems, Hydrocarbon Processing, Compound Semiconductor. Article compiled and reinterpreted by SNS-VN; brand name belongs to the owner.