Flachdichtung SIGRAFLEX® Hochdruck Pro mit Innen- und Außenbördel, Profil FD30, WS 3888 DB, Dichtungsdicke 2 mm, Rev. 00

SIGRAFLEX® HOCHDRUCKPRO, impregnated with adhesive-free inserts made from 0.05 mm stainless steelfoil 316L; inner and outer eyelet made from stainless steel 1.4571

Article Number

3888FD30

Material

3888

Profile

FD30

Type of gasket:	Type TG - non-metallic flat gasket
Gasket manufacturer:	IDT Industrie- und Dichtungstechnik GmbH
Gasket label:	Flachdichtung SIGRAFLEX® Hochdruck Pro mit Innen- und Außenbördel, Profil FD30, WS 3888 DB, Dichtungsdicke 2 mm, Rev. 00
maximum temperature:	400 °C
maximum pressure:	80 bar

Inhaltsverzeichnis

Gasket thickness under load e_G
Gasket deformation under load Δe_G
Maximum allowable gasket stress Q_Smax
Modulus of elasticity E_G
Creep/relaxation factor P_QR
Minimum required gasket stress in assembly Q_min(L)
Minimum required gasket stress in service Q_Smin(L)
Friction coefficient µ_G

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Temes_fl.cal

Gasket thickness under load e_G

	Gasket thickness e_G / mm
Gasket stress / MPa	20°C	200°C	400°C
0	1.965	1.98	1.97
1	1.861	1.896	1.865
20	1.689	1.705	1.653
30	1.596	1.628	1.591
40	1.542	1.569	1.533
50	1.496	1.535	1.494
60	1.466	1.488	1.454
80	1.403	1.379	1.376
100	1.334	1.323	1.302
120	1.271	1.289	1.255
140	1.243	1.27	1.231
160	1.222	1.252	1.215
180	1.205	1.233	1.196
200	1.189	1.212	1.183

Gasket deformation under load Δe_G

	Gasket deformation Δe_G / mm
Gasket stress / MPa	20°C	200°C	400°C
0	0.000	0.000	0.000
1	0.104	0.084	0.105
20	0.276	0.275	0.317
30	0.369	0.352	0.379
40	0.423	0.411	0.437
50	0.469	0.445	0.476
60	0.499	0.492	0.516
80	0.562	0.601	0.594
100	0.631	0.657	0.668
120	0.694	0.691	0.715
140	0.722	0.710	0.739
160	0.743	0.728	0.755
180	0.760	0.747	0.774
200	0.776	0.768	0.787

Maximum allowable gasket stress Q_Smax

Temperature / °C	Q_Smax / MPa
20	200
200	200
400	200

Modulus of elasticity E_G

	Modulus of elasticity E_G / MPa
Gasket stress / MPa	20°C	200°C	400°C
20	546	775	757
30	816	846	929
40	1224	1170	1123
50	1335	1835	1502
60	1799	1624	1534
80	2691	2713	2068
100	3190	3663	2715
120	4139	3045	3170
140	5247	4507	3405
160	5285	5678	3849
180	5608	5607	4121
200	6035	5496	4553

Creep/relaxation factor P_QR

	Creep/relaxation factor P_QR
Gasket stress / MPa	20°C	200°C	400°C
50	1	0.92	0.96
100	1	0.88	0.91
200		1	0.99
1100	1

Minimum required gasket stress in assembly Q_min(L)

	Minimum required gasket stress Q_min(L) / MPa
Leakage rate / mg/m/s	40 bar	80 bar
10⁰	40	63
10⁻¹	76	111
10⁻²	112	140
10⁻³	143	172
10⁻⁴	179

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

Internal pressure 40 bar
Internal pressure 80 bar

Minimum required gasket stress at internal pressure 40 bar

Minimum required gasket stress at internal pressure 80 bar

Friction coefficient µ_G

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

The gasket Flachdichtung SIGRAFLEX® Hochdruck Pro mit Innen- und Außenbördel, Profil FD30, WS 3888 DB, Dichtungsdicke 2 mm, Rev. 00 can be assigned to the categorie 3 : "Gaskets based on flexible graphite". Therefore, the following friction coefficients can be considered:

Temperature / °C	Friction coefficient
20 °C	0.22

Historie EN 15333

Excel Temes_fl.cal

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Inhaltsverzeichnis

Downloads

Gasket thickness under load eG

Gasket deformation under load ΔeG

Maximum allowable gasket stress QSmax

Modulus of elasticity EG

Creep/relaxation factor PQR

Minimum required gasket stress in assembly Qmin(L)

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