PTFE Envelope Gaskets provide positive, trouble-free sealing in most applications ranging from mild to severely corrosive environments. These are also called teflon gaskets. PTFE envelope gaskets are available in a broad range of standard sizes and configurations, as well as custom sizes upon request. They are designed to handle solvents and corrosives in the chemical field and are also widely used in food processing and other lines where contamination must be avoided. We offer PTFE Envelop Gasket (Milled type) up to 1200 mm ID. These gaskets are used in Reactor Manhole for packing. Elliptical envelop gaskets are also available with us