>Corrugated Metal Gasket Is Designed For Low Load Applications

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CORRUGATED METAL GASKET – COVERED WITH GRAPHITE OR PTFE LAYER
Corrugated metal gasket (CMG) consists of a metal core with concentric grooves on both sides and coated with expanded graphite, PTFE layer or non-asbestos plate.

Corrugated metal gasket with soft layer on both sides is used for low pressure applications in large diameter flue gas ducts at high temperature. In addition, corrugated metal gasket is a versatile sealing element when bolt loads are low.Unlike other materials and structures, it can be very resilient.

What's more, corrugated metal gasket directly replaces spiral wound gasket and eliminates inward buckling issues while creating a seal at moderate flange stresses.

AVAILABLE COATING TYPES

There is a corrugated metal gasket coated with graphite on the white background.
Corrugated metal gasket coated with graphite

Structure diagram of a corrugated metal gasket with PTFE layer.
Corrugated metal gasket with PTFE layer

There is a corrugated metal gasket coated with non-asbestos plate on the white background.
Corrugated metal gasket coated with non-asbestos plate

AVAILABLE TYPES

There are many types of corrugated metal gaskets to meet different circumstance.

Sectional view of corrugated metal gasket 01 on the white background.
Corrugated metal gasket 01

Sectional view of corrugated metal gasket 02 on the white background.
Corrugated metal gasket 02

Sectional view of corrugated metal gasket 03 on the white background.
Corrugated metal gasket 03

Sectional view of corrugated metal gasket 04 on the white background.
Corrugated metal gasket 04

COMMON SPECIFICATIONS

Metallic Materials Code of Germany Hardness/HB Temperature (°C) Density (g/cm3) Thickness (mm)
Carbon Steel 1.1003/1.0038 90 to 120 -60 to 500 7.85 0.5
SS304, SS304L 1.4301/1.4306 30 to 180 -250 to 550 7.93 1.0, 2.0
SS316, SS316L 1.4401/1.4404 30 to 180 -250 to 550 7.98 3.0
Facing Material Max. Temperature Pressure at Room Temp.
°C °F Min. Max.
MPa psi MPa psi
Flexible Graphite 500 932 17 2500 500 72500
Non-Asbestos Sheet 400 752 23 3300
PTFE 260 500 17 2500
FEATURES

Outstanding mechanical strength and thermal conductivity.
Capable of withstanding high temperatures.
Without any limitations on the size.
Stable and reliable sealing function
Trouble-free for handling and installation even for large size.
Chemically resistant.
Does not age or become brittle.
APPLICATIONS

Flanges.
Heat exchangers.
Valve caps.
Gas pipes.

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