GASKETS

PTFE Envelope Gaskets

Gasket Types: Ring, Full Face, CLT, CRT

Envelope Types: Slit, Channel, Formed, Double, Elliptical, Special Shapes

Service: General Purpose, Moderate and Severe Services, Piping Service, Pharmaceutical, Anti-Buildup, Permeant, Anti-Static

Sizes: 1/2″ to 96″ and Elliptical & Special Sizes

Fillers: Chicago Gasket’s exclusive compressible, non-asbestos, liquid resistant “1300 BLUE”, 3/16″ or 5/16″; flexible graphite; SS304 Steel, Monel, Nickel, steel with and without tabs.

The standard for glass-lined vessels and piping.

Envelope: PTFE slit or butt-welded tape envelope.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 96″

For general purpose use where product build-up or residue is unacceptable.

Envelope: PTFE channel
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 48″

For service where standard envelopes can be permeated by halogens.

Envelope: Extra thick PTFE channel.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 36″

Used where high purity is desired.

Envelope: Inner and outer PTFE channel.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 36″

General purpose gasket for pharmaceutical, food and chemical industries when 100% protection of the compressible inserts is desirable or mandatory.

Envelope: Inner and outer PTFE slit or butt-welded tape envelope.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 96″

Used to fill small gaps in piping systems.

Envelope: PTFE channel. Variable thicknesses available.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 30″

Used for continuous service above 350°F and where corrosion resistance of the compressible insert is desirable.

Envelope: Extra thick PTFE slit or butt-welded tape envelope.
Inserts: Compressible flexible graphite; corrugated SS304.
Sizes: 1″ – 96″

A general purpose gasket and hybrid of the RX and DE style, PTFE channel inner envelope.

Envelope: PTFE slit or butt-welded outer envelope.
Inserts: Chicago Gasket’s exclusive, compressible, non-asbestos, liquid resistant “1300 BLUE”; corrugated SS304.
Sizes: 1″ – 36″

Used to reduce the build up of static electricity caused by friction between immiscible and free falling products having low electrical conductivity.

Envelope: Conductive PTFE channel.
Inserts: Compressible flexible graphite, corrugated SS304 with grounding tab.
Sizes: 1″ – 36″