Expanded Graphite Sheet LGR Planigraph™


The pure expanded graphite gasket with smooth SS insertion.
The gaskets LGR graphite show an excellent performance on the Valve Bonnet Flange and on the Heat Exchangers Flanges.
The permeability can reduced with the inner eyelet. It's recommended the thickness 1.5 mm for greatest sealing.


Flat expanded graphite gaskets for bonnet flange

Expanded Graphite Sheet LGR Planigraph™
 LGR Planigraph™
Graphite densitygr/cm31.0
Carbon Content%> 98.0
Ash Content%< 2.0
Material of insertAISI316L
Thickness of insertmm0.05
Compressibility%40 - 50
Recovery%10 - 15
Gas Permeability DIN 3535cm3/min< 0.6
Relaxation stress DIN 52913N/mm2> 45
Maximum assembly loadN/mm260
Avoid the oxidizing streams. With oxygen and hot air limit the temperature to 350°C.
Size 1.000 x 1.000
1.500 x 1.500
40” x 40”
60” x 60”
Thickness 0.5 ÷ 3.0 1/64” ÷ 1/8"