# Flachdichtung SIGRAFLEX® Universal mit Innenbördel (1.4571), Profil FD10, WS 3862 IB, Dichtungsdicke 2 mm, Rev. 03

![Flat gasket SIGRAFLEX® Universal with inner eyelet (graphite with perforated steel insert)](https://wsrv.nl/?q=50&bg=%23f8f9fa&dpr=1&output=jpg&url=https%3A%2F%2Fatropim.idt-gaskets.com%2Fupload%2Fthumbnails%2F06lsx%2Fxjzn3%2F8tonu%2F3itw6%2Fzwvcd%2Fgbhs8%2Flarge%2FIDT-SIGRAFLEX-Dichtung-WS-3862-IB-14571.png)

The flat gasket consists of a perforated stainless steel plate (1.4401) with graphite foil layer on both sides. Additionally, the gasket also has an inner eyelet, standard 1.4571. Special materials for the inner eyelet available upon request. Bond is non-adhesive. The graphite covering layers are impregnated.

 Article Number  3862FD10

 Material 3862

 Profile FD10

![FD10](https://atropim.idt-gaskets.com/upload/thumbnails/06lsx/xjzn3/8tonu/3itw6/zwvcd/4p5ke/small/FD10.png)

Type of gasket:Sheet gasket with inner eyeletGasket manufacturer:IDT Industrie- und Dichtungstechnik GmbHGasket label:Flachdichtung SIGRAFLEX® Universal mit Innenbördel (1.4571), Profil FD10, WS 3862 IB, Dichtungsdicke 2 mm, Rev. 03maximum temperature:300 °Cmaximum pressure:40 bar

## Inhaltsverzeichnis

- [Gasket thickness under load eG](#kennwerte-en-15333-dichtungshoehe-unter-last)
- [Gasket deformation under load ΔeG](#kennwerte-en-15333-dichtungsverformung-unter-last)
- [Maximum allowable gasket stress QSmax](#kennwerte-en-15333-maximale-flaechenpressung)
- [Modulus of elasticity EG](#kennwerte-en-15333-ersatzelastizitaetsmodul)
- [Creep/relaxation factor PQR](#kennwerte-en-15333-kennzahlen-kriechfaktor)
- [Minimum required gasket stress in assembly Qmin(L)](#kennwerte-en-15333-mindestflaechenpressung-einbau)
- [Minimum required gasket stress in service QSmin(L)](#kennwerte-en-15333-mindestflaechenpressung-betrieb)
- [Friction coefficient µG](#kennwerte-en-15333-reibungskoeffizient)

## Downloads

**- [PDF](https://gasketdata.amtec.de/DataSheets/IDT/IDT-FD10-WS%203862%20IB-2,0-0,15%20mm-IDT-Rev03.pdf)
- [Temesfl.cal](https://gasketdata.amtec.de/export/temesfl/28C8/349)**

## Gasket thickness under load eG

Gasket thickness eG / mmGasket stress / MPa20°C150°C300°C01.9651.971.99511.9651.971.995201.391.3711.366301.3081.2961.301401.2451.2351.241501.1971.1931.206601.1671.1621.174801.1221.121.1321001.0911.0911.0951201.0591.0641.0621401.0361.0381.0331601.0161.0081.0041800.9960.9882000.98

## Gasket deformation under load ΔeG

Gasket deformation ΔeG / mmGasket stress / MPa20°C150°C300°C00.0000.0000.00010.0000.0000.000200.5750.5990.629300.6570.6740.694400.7200.7350.754500.7680.7770.789600.7980.8080.821800.8430.8500.8631000.8740.8790.9001200.9060.9060.9331400.9290.9320.9621600.9490.9620.9911800.9690.9822000.985

## Maximum allowable gasket stress QSmax

Temperature / °CQSmax / MPa20 200150 180300 160

## Modulus of elasticity EG

Modulus of elasticity EG / MPaGasket stress / MPa20°C150°C300°C20419562585307318118714085810761068501052157715206014781447152680171922252408100205323462035120193623882403140201025993026160218728422819180227230582002265

## Creep/relaxation factor PQR

Creep/relaxation factor PQRGasket stress / MPa20°C150°C300°C300.980.920.86500.980.960.9310010.980.961600.981800.992000.99

## Minimum required gasket stress in assembly Qmin(L)

Minimum required gasket stress Qmin(L) / MPaLeakage rate / mg/m/s40 bar 10⁰ 10 10⁻¹ 12 10⁻² 34 10⁻³ 57 10⁻⁴ 79 10⁻⁵ 141

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

- [Internal pressure 40 bar](#mindestflaechenpressung-innendruck-40)

## 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 SIGRAFLEX® Universal mit Innenbördel (1.4571), Profil FD10, WS 3862 IB, Dichtungsdicke 2 mm, Rev. 03 can be assigned to the categorie 3 : "Gaskets based on flexible graphite". Therefore, the following friction coefficients can be considered:

Temperature / °CFriction coefficient20 °C 0.22

## Historie EN 15333

[Excel](https://gasketdata.amtec.de/export/temesfl/28C8/349)[Temesfl.cal](https://gasketdata.amtec.de/export/temesfl/28C8/349)