Flachdichtung PTFE Dyneon TFM® 4105, Profil FD01, WS 7115, Dichtungsdicke 2 mm, Rev. 01

7115FD01
PTFE-flat gasket from Dyneon™ TFM™ 4105 L with a glass fibre fraction of 25%.
Article Number
7115FD01
Material
7115
Profile
FD01
FD01
Type of gasket: Type IBC - flat gasket
Gasket manufacturer: IDT Industrie- und Dichtungstechnik GmbH
Gasket label: Flachdichtung PTFE Dyneon TFM® 4105, Profil FD01, WS 7115, Dichtungsdicke 2 mm, Rev. 01
maximum temperature: 200 °C
maximum pressure: 40 bar

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Gasket thickness under load eG

No data available.

Gasket deformation under load ΔeG

No data available.

Maximum allowable gasket stress QSmax

Temperature / °C QSmax / MPa
20 60
50 50
100 50
150 40
200 40

Modulus of elasticity EG

Modulus of elasticity EG / MPa
Gasket stress / MPa 20°C 50°C 100°C 150°C 200°C
20 1862 1684 1319 968 615
30 2302 1885 1323 1117 962
40 3369 1930 1427 1452 1199
50 3830 2131 1726
60 3336

Creep/relaxation factor PQR

Creep/relaxation factor PQR
Gasket stress / MPa 20°C 50°C 100°C 150°C 200°C
10 0.98 0.95 0.88 0.83 0.67
20 0.95 0.84 0.68 0.58 0.48
30 0.39 0.36
50 0.67 0.5
60 0.78

Minimum required gasket stress in assembly Qmin(L)

Minimum required gasket stress Qmin(L) / MPa
Leakage rate / mg/m/s 10 bar 16 bar 40 bar
10⁰ 5 5 9
10⁻¹ 7 8 14
10⁻² 12 13 18
10⁻³ 17 17 23
10⁻⁴ 23 22 28
10⁻⁵ 30 29 45
10⁻⁶ 52

Minimum required gasket stress in service QSmin(L) depending on initial gasket stress QA

Minimum required gasket stress at internal pressure 10 bar

Minimum required gasket stress at internal pressure 16 bar

Minimum required gasket stress at internal pressure 40 bar

Friction coefficient µG

The friction coefficient between gasket and flange surface was determined for different types of gasket materials in an ESA research project.

The gasket Flachdichtung PTFE Dyneon TFM® 4105, Profil FD01, WS 7115, Dichtungsdicke 2 mm, Rev. 01 can be assigned to the categorie 2 : "Gaskets based on filled PTFE". Therefore, the following friction coefficients can be considered:

Temperature / °C Friction coefficient
20 °C 0.23