The PTFE O-Ring was originated by Chicago Gasket Company “Mirror Finish”™ PTFE O-Rings are best for heat and chemical resistance because they are shiny-smooth without surface chips, threads or marks which may cause leakage.

Gaskets play a crucial role in various industries, and the PTFE Envelope Gaskets offered by Chicago Gasket come in different types, sizes, and envelope variations to suit diverse applications.

Series 6225 V-Rings offer both a superior seal and longer life. New twelve-degree (12º) differential angle between the rings provides just the right “spring action” to seat this self-energizing lip-type packing.

Chicago Gasket’s unique angle between the mating V-Rings promotes a spring action that spreads the lips to seat this self-energizing V-Packing.