# Flachdichtung SIGRAFLEX® Hochdruck Pro mit Doppelbördel und Zentrierrand (1.4571, s=0,15), Profil FD33, WS 3888, Dichtungsdicke 2,0mm, Rev. 00

![SIGRAFLEX® Hochdruck Pro with inner and outer eyelet and centering ring](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%2Fplmld%2Flarge%2FIDT-SIGRAFLEX-HD-FD-33-3885-DB-ZR-14571.png)

Sigraflex Hochdruck Pro, impregnated with adhesive-free inserts made from 0.05 mm stainless steelfoil 316L; inner and outer eyelet made from stainless steel 1.4571 and centering ring

 Article Number  3888FD33

 Material 3888

 Profile FD33

![FD33](https://atropim.idt-gaskets.com/upload/thumbnails/06lsx/xjzn3/8tonu/3itw6/ned8w/3bqkt/small/FD33.png)

Type of gasket:Sheet gasket with inner eyeletGasket manufacturer:IDT Industrie- und Dichtungstechnik GmbHGasket label:Flachdichtung SIGRAFLEX® Hochdruck Pro mit Doppelbördel und Zentrierrand (1.4571, s=0,15), Profil FD33, WS 3888, Dichtungsdicke 2,0mm, Rev. 00maximum temperature:400 °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-FD33-WS%203888%20DB-ZR-2,0-0,15%20mm-IDT-Rev00.pdf)
- [Temesfl.cal](https://gasketdata.amtec.de/export/temesfl/28C8/342)**

## Gasket thickness under load eG

Gasket thickness eG / mmGasket stress / MPa20°C100°C200°C400°C02.0752.082.092.1912.0172.052.052.155201.7111.6751.681.807301.5881.5581.5651.718401.521.4861.4991.657501.4741.441.4481.614601.4371.4021.4041.581801.3871.3361.3411.5081001.3291.2491.2631.4461201.2671.2011.2131.4041401.231.1751.1781.3731601.2031.1551.1561801.1261.1332001.1051.1112201.081.0912401.0571.0762601.0271.0622801.0113000.992

## Gasket deformation under load ΔeG

Gasket deformation ΔeG / mmGasket stress / MPa20°C100°C200°C400°C00.0000.0000.0000.00010.0580.0300.0400.035200.3640.4050.4100.383300.4870.5220.5250.472400.5550.5940.5910.533500.6010.6400.6420.576600.6380.6780.6860.609800.6880.7440.7490.6821000.7460.8310.8270.7441200.8080.8790.8770.7861400.8450.9050.9120.8171600.8720.9250.9341800.9540.9572000.9750.9792201.0000.9992401.0231.0142601.0531.0282801.0693001.088

## Maximum allowable gasket stress QSmax

Temperature / °CQSmax / MPa20 300100 300200 270400 150

## Modulus of elasticity EG

Modulus of elasticity EG / MPaGasket stress / MPa20°C100°C200°C400°C206346566889913010179119001543401592118014272569502230152013763537602926163614515126804591243420608477100671824183120136671201043628373257216071401675137062914424371602746447074227180355347642004123453122046884270240487351442604763509828050013005304

## Creep/relaxation factor PQR

Creep/relaxation factor PQRGasket stress / MPa20°C100°C200°C400°C600.990.910.890.921000.990.920.850.891500.990.970.950.952700.9530010.98

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

Minimum required gasket stress Qmin(L) / MPaLeakage rate / mg/m/s16 bar40 bar 10⁰ 1628 10⁻¹ 3360 10⁻² 74104 10⁻³ 117121 10⁻⁴ 145147

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

- [Internal pressure 16 bar](#mindestflaechenpressung-innendruck-16)
- [Internal pressure 40 bar](#mindestflaechenpressung-innendruck-40)

## 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 SIGRAFLEX® Hochdruck Pro mit Doppelbördel und Zentrierrand (1.4571, s=0,15), Profil FD33, WS 3888, Dichtungsdicke 2,0mm, Rev. 00 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/28C8/342)[Temesfl.cal](https://gasketdata.amtec.de/export/temesfl/28C8/342)