Spiral wound gasket with inner ring, Material: 1.4541/PTFE

  • Article Number: 6413SD30
  • Material: 6413
  • Profile: SD30
The Spiral Wound Gasket consists of a spirally wound, beaded metal strip made from stainless steel 1.4541. A PTFE soft material strip [unsintered] protruding on both sides is inserted between the individual windings.The inner support ring [material: 1.4541] stabilizes the spiral on the inner diameter. This gasket type has no outer support and centering ring and is suitable for the use in male-female flange systems.

Spiral Wound Gaskets are particularly suitable for applications with high operating pressures and critical operating conditions.
Article Number

Material combinations other than shown here are available on request.

Operating data

Temperatur (min) -269 °C
Temperatur (max) 260 °C
Pressure (max) 320 bar

Gasket characteristics DIN 2505 V

K0×Kd [N/mm] 45 × bd
k1 [mm] 1,2 × bd

Gasket characteristics DIN 28090

бVO [N/mm²] 300
бVU 0,1 [N/mm²] 45
m (DIN 28090) 1.2
бBO 200 °C [N/mm²] 240

Gasket characteristics ASME

m (ASME) 3
Y [PSI] 6600

Flange shapes

Male-Female (form SR)
Apparatus, customized
With partition bars


Data Sheet
EN | Last Changed 2023-12-01

General information: All information given in this Technical Information sheet represents our current level of knowledge and serves as information on our products and their respective scopes. It is not meant to ensure any particular properties of any product or the suitability of any product for any specific application, neither does it create any liability on our part.

Last Changed 2023-12-01 13:56:08

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