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Spiraldichtung mit Innen- und Außenring, Glimmerfüllung, Profil WS 1.4828/Glimmer/1.4828, Dichtungsdicke 5.2 mm, Rev. 00

Type of gasket: Spiralwound gasket
Gasket manufacturer: IDT Industrie- und Dichtungstechnik GmbH
Gasket label: Spiraldichtung mit Innen- und Außenring, Glimmerfüllung, Profil WS 1.4828/Glimmer/1.4828, Dichtungsdicke 5.2 mm, Rev. 00
maximum temperature: 600 °C
maximum pressure: 16 bar

Inhaltsverzeichnis

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Gasket thickness under load eG

Gasket thickness eG / mm
Gasket stress / MPa 20°C 300°C 600°C
0 5.3 5.25 5.255
1 5.19 5.215 5.225
20 4.688 4.473 4.407
30 4.544 4.227 4.38
40 4.403 4.089 4.333
50 4.289 3.992 4.283
60 4.186 3.913 4.228
80 4.056 3.759 4.064

Gasket deformation under load ΔeG

Gasket deformation ΔeG / mm
Gasket stress / MPa 20°C 300°C 600°C
0 0.000 0.000 0.000
1 0.110 0.035 0.030
20 0.612 0.777 0.848
30 0.756 1.023 0.875
40 0.897 1.161 0.922
50 1.011 1.258 0.972
60 1.114 1.337 1.027
80 1.244 1.491 1.191

Maximum allowable gasket stress QSmax

Temperature / °C QSmax / MPa
20 80
300 80
600 80

Modulus of elasticity EG

Modulus of elasticity EG / MPa
Gasket stress / MPa 20°C 300°C 600°C
20 1805 1828 8070
30 2214 2238 5884
40 2664 3129 6324
50 3063 3508 6681
60 3406 3775 6797
80 4345 4704 7281

Creep/relaxation factor PQR

Creep/relaxation factor PQR
Gasket stress / MPa 20°C 300°C 600°C
20 0.81 0.55 0.31
40 0.86 0.44 0.26
80 0.89 0.36 0.29

Minimum required gasket stress in assembly Qmin(L)

Minimum required gasket stress Qmin(L) / MPa
Leakage rate / mg/m/s 10 bar 16 bar
10⁰ 6 6
10⁻¹ 25 31
10⁻² 44 58
10⁻³ 78

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

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 Spiraldichtung mit Innen- und Außenring, Glimmerfüllung, Profil WS 1.4828/Glimmer/1.4828, Dichtungsdicke 5.2 mm, Rev. 00 can be assigned to the categorie 0 : "Custom". Therefore, the following friction coefficients can be considered:

Temperature / °C Friction coefficient
0 °C 0