ДСТУ EN 13555:2022 Фланцы и их соединения. Параметры прокладки и процедуры испытания по правилам проектирования круглых фланцевых соединений с прокладкой (EN 13555:2021, IDT)

ДСТУ EN 13555:2022
(EN 13555:2021, IDT)

Фланці та їх з’єднання. Параметри прокладки та процедури
випробування щодо правил проєктування круглих фланцевих з’єднань із прокладкою

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols

5 List of gasket parameters

6 Test equipment

6.1 Design

6.2 Test platens

6.3 Metal Foils

6.4 Surface finish

6.5 Measurement of gasket thickness

6.6 Loading

6.7 Temperature

6.8 Leakage measurement

7 Test gaskets

7.1 Number of gaskets

7.2 Procurement and identification of gaskets

7.3 Pre-conditioning of the gaskets

7.4 Dimensions of test gaskets

7.5 Measurement of test gaskets as received

7.6 Influence of gasket dimensions

8 Test procedures

8.1 General

8.2 Testing Strategy

8.3 Reference gasket thickness

8.4 Compression curve

8.5 Determination of Q_Smax

8.6 Determination of the values of E_G

8.7 Determination of P_QR and Δe_Gc

8.8 Determination of Q_min(L) and Q_Smin(L)

8.9 Determination of Q_Smin(L) at elevated temperatures

8.10 Determination of axial coefficient of thermal expansion

8.11 Determination of the coefficient of static friction

9 Report details

Annex A (informative) Generalized test rig schematic

Annex B (informative) Test rig schematic for compression and compression creep tests

Annex C (informative) Test rig schematic for ambient temperature leakage measurement

Annex D (informative) Schematic of leakage rig allowing use of interchangeable face plate

Annex E (informative) Transferability of measured leakage rates to service conditions

Annex F (informative) The measurement of the sealing parameter Q_Smin(L) after long term service simulating exposure to elevated temperature

Annex G (informative) Determination of the sealing characteristics of strip sealing materials available in coil form

Annex H (informative) Proposed method for the determination of the coefficient of static friction, µ_G, of gaskets

Annex I (informative) Guideline for interpretation of test results and acceptable modification of measured characteristics

Bibliography