Change™ – HF

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The Change^™-HF protects and outperforms every other HF-Alky gasket on the market.

-Flexibility of a proven spiral wound, low seating stress of a kammprofile.

-Graphite filled like a spiral wound, graphite faced like a kammprofile

-Sigma PTFE inner ring barrier protects the flange from acid corrosion and also fills any existing corrosion damage

-Unique wire profile stores more elastic energy to create better dynamic performance and superior load retention in cyclic applications

-Excellent recovery (tested with 34% recovery @ 18K PSI [124 MPa], 30% compression)

-No spring washers needed, no re-torque required

-Cycle over & over, and maintain sealability