Product information "Steam boiler seals type 1"

thoenes® steam boiler gaskets type 1 consist of corrugated stainless steel carrier (1.4571) with double-sided, smooth-plate-reinforced graphite support (thoenes® SL TRD 401) or with double-sided 0.5mm thick graphite support (thoenes® SF TRD 401).

Important features:
Carrier profile and supports are coordinated so that in the installed, loaded condition, the wave crests are always covered by the support material

Fields of application:

  • For closures on steam boilers with roughness values of ring and cover > 12.5 μm,
  • For installations in use,
  • Part number: TÜV.D.22-003.d.

Physical forms:

  • Round, angular, oval, stadium oval,
  • Hand hole; Head hole; Manhole on request.

Application parameters

  • According to VdTÜV, test class d:,
  • Temperature: 250 °C,
  • Pressure: 40 bar.