Planigraph™ LGRHDI

Composition

  • Expanded Graphite Industrial Grade
  • Multiple smooth SS316L inserts with a thickness of 0.05 mm

Characteristics

The Planigraph™ LGRHDI graphite gasketing sheets are suitable for high-temperature and high-pressure applications on RF, FF, LMF, and LTG flanges in piping or industrial machinery. Planigraph™ LGRHDI features low relaxation values combined with excellent mechanical strength.

Applications

The gaskets Planigraph™ LGRHDI are suitable for all flanges, including RF, FF, LMF, and LTG. Graphite cannot be used with oxidizing fluids.

Planigraph™ LGRHDI
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 Planigraph™ LGRHDI
Graphite density gr/cm3 1.0
Carbon Content % ≥ 98.0
Ash Content % ≤ 2.0
Sulphur Content ppm ≤ 1000
Halogen Content ppm ≤ 200
Reinforcing steel sheet AISI 316L
Thickness steel sheet mm 0.05
Tensile Strenght MPa ≥ 4.0
Compressibility % 25 - 35
Recovery % > 15
Relaxation stress DIN 52913 N/mm2 > 45
Temperature max with steam °C 550
Temperature max with weak oxidants °C 450
Temperature min cryo °C -196
Maximum assembly load RT N/mm2 200
Maximum operating pressure bar 200
Size 1000 x 1000 - 1500 x 1500 mm 40"x40" - 60"x60"
Thickness 1.0 ÷ 3.0 mm 1/32" ÷ 1/8"