Spiral Wound Gasket with outer ring, Material: 1.4541/Graphite

  • Article Number: 6416SD20
  • Material: 6416
  • Profile: SD20
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 outer support ring [material: carbon steel, corrosion protected] stabilizes the spiral on the outer diameter and also ensures the centering between the flange bolts.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 450 °C
Temperatur (min) -269 °C
Temperatur (max) 550 °C
Pressure (max) 320 bar

Gasket characteristics DIN 2505 V

K0×Kd [N/mm] 50 × bd
k1 [mm] 1,4 × bd

Gasket characteristics DIN 28090

бVO [N/mm²] 150
бVU 0,1 [N/mm²] 50
m (DIN 28090) 1.4
бBO 300 °C [N/mm²] 120

Gasket characteristics ASME

m (ASME) 3
Y [PSI] 7300

Approvals and test reports

BAM oxygen
BAM oxygen (liquid)

Drinking water certificate HY

Flange shapes

Self-centering, Raised Face (form IBC)


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 13:55:48

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