Graphite packing - GR8748

Composition

The graphite packing for valves GR8748 is made with expanded graphite and carbon yarns wire reinforced on the corner. Each yarn is impregnated with a special compound rich of colloidal graphite and inorganic inhibitor of corrosion.

Characteristics

Carbon yarns Inconel ™ wire and mineral expanded graphite strands
Colloidal graphite
Inorganic inhibitor of corrosion

Graphite packing - GR8748
  P bar Ibf/in2 Vm/S f/pm pH T°C T°F
300 4500 2 300 0 ÷ 14 -200 ÷ 450 / 650 -240 ÷ 850 / 1200
20 300 2 400
  • Never use the product to the maximum temperature and pressure associated. Consult the manufacturer for further information

  • The peak temperature can be sustained for short exposures

  • With weakly oxidizing agents and hot air the temperature must be limited to 450 ° C

  • With steam and non-oxidizing fluids the temperature must be limited to 650 ° C

  • Graphite and carbon cannot be used with oxidizing fluids

sezione mmsezione inchkg/boxlbs/boxmt/boxft/boxmt/kgft/lbs
31/812.285.528085.5127.3
4-12.248.115848.171.6
53/1612.230.810130.845.8
6-2.55.553.417521.431.8
6.51/42.55.545.514918.227.1
85/162.55.530991217.9
9.53/82.55.521.3708.512.7
10-2.55.519.2637.711.5
117/162.55.515.9526.49.5
12-2.55.513.4445.38
12.71/22.55.511.9394.87.1
149/1651119.6643.95.8
165/8511154934.5
17.511/1651112.6412.53.7
18-51111.9392.43.5
193/451110.7352.13.2
227/85117.9261.62.4
25.515115.9191.21.8
  • The weight per meter and the packaging's weight may have a tolerance of +/- 10%. Other sizes and packaging are available on demand.