Operating range

Pressure [pmax]: 40 bar

Temperature: t = 0… +550 °C

Max. pressure depending on installation situation

In inert atmosphere (material value) up to 550 °C

In steam boiler applications up to 250 °C

Main application

  • Steam Boilers
  • Vessels in round and oval shapes

Gasket Characteristics

Surface pressure: min. 10 N/mm2, max. 35 N/mm2
Recommended boiler heating gradient: max. 2 °C / min

Pay attention to assembly instruction (added to each single gasket)!

Suitable for

  • Seal for steam boilers and containers
  • Storable

MANHOLE SEAL D 4.4
Pressure-resistant and dimensionally stable gasket made of expanded graphite

Characteristics

  • This new gasket material consists of a temperature-, corrosion-, and chemical-resistant expanded graphite matrix. 
  • No aging
  • Good adaptability to flange irregularities
  • Excellent suitability for changing temperatures
  • No hardening

Form of delivery

Standard dimensions (mm)

Special shapes and other seal thicknesses are available upon request.

81 x 111 x 14 x 6 101 x 151 x 14 x 6 116 x 166 x 14 x 6 151 x 201 x 14 x 6 282 x 382 x 23 x 6 312 x 412 x 23 x 6
81 x 121 x 14 x 6 121 x 151 x 14 x 6 202 x 302 x 23 x 6 297 x 397 x 23 x 6 322 x 422 x 23 x 6 352 x 452 x 23 x 6
91 x 121 x 14 x 6 111 x 151 x 14 x 6 121 x 161 x 14 x 6 222 x 322 x 23 x 6 302 x 402 x 23 x 6
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