O-Rings

FFKM (Kalrez) Seals in the Oil & Gas Industry: Application Cases and Material Selection

by
ffkm ht o ring

When an FKM or HNBR seal is no longer enough, engineers turn to FFKM — the perfluoroelastomer family best known through DuPont’s Kalrez® brand. Combining near-PTFE chemical resistance with rubber elasticity and continuous service up to 280–320 °C, FFKM has become the default sealing material for the harshest oilfield and refinery duties. This article looks … Read more

AFLAS O-Rings in Petroleum Equipment: Applications, Advantages and Selection

by
aflas o ring petroleum equipment

In electric submersible pump (ESP) systems and other downhole petroleum equipment, a failed O-ring is rarely a small problem — it is usually the reason a motor is pulled from the well. AFLAS O-rings have become a go-to compound for these duties because they hold their seal in hot oil, steam, hydrogen sulfide (H2S), CO2 … Read more