SFS-EN ISO 27509:2020:en

Soveltamisala

Suomenkielistä soveltamisalaa ei ole saatavissa.

This document specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS ½) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS ½) to DN 600 (NPS 24).
NOTE NPS is expressed in accordance with ASME B36.10M and ASME B36.19M.
This document is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries.
This document is applicable within a temperature range from -196 °C to +250 °C.
This document is not applicable for external pressure.

Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.

Sisällysluettelo

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations and symbols

4.1 Abbreviated terms
4.2 Symbols

5 Design

5.1 General
5.2 Design principles
5.3 Assembly requirements
5.4 Standard components
5.5 Units of measurements
5.6 Rounding
5.7 Conformance with piping design codes
5.8 Conformance with this document

6 Designation

6.1 Designation of flanges
6.2 Designation of seal rings

7 Materials

7.1 General
7.2 Flange materials
7.3 Bolting materials
7.4 Seal ring materials

8 Strength, pressure/temperature ratings and leak tightness

8.1 General
8.2 Pressure/temperature ratings
8.3 Pressure testing and leak tightness

9 Dimensions of flanges

9.1 General
9.2 Weld neck dimensions
9.3 Blind flange (BL) dimensions
9.4 Integral flange (IF) dimensions
9.5 Rigid interface dimensions
9.6 Dimensions of paddle blanks (PB) and paddle spacers (PS)
9.7 Handle and lifting lugs
9.8 Dimensions of orifice spacers (OS)
9.9 Dimensions of reducing threaded flanges
9.10 Auxiliary connections
9.11 Flange tolerances
9.12 Surface finish

10 Marking of flanges

10.1 Flanges other than integral flanges
10.2 Manufacturer's name or trademark
10.3 Nominal size
10.4 Pressure class designation
10.5 Pipe dimensions
10.6 Material identification
10.7 Identification of internally threaded flanges
10.8 Material traceability
10.9 Marking examples
10.10 Stamping

11 Dimensions of seal rings
12 Manufacture, testing and inspection of IX seal rings
13 Coating and colour coding
14 Marking of seal rings
15 Quality management systems
16 Bolt dimensions and masses

Annex A Pressure temperature ratings and load capacity (normative)
Annex B Integral flange angle selection (normative)
Annex C Bolt dimensions and masses (normative)
Annex D Handling, installation, assembly and repair of flanges (normative)
Annex E Mass of flanges (informative)
Annex F Metric bolting (informative)
Annex G Additional information on bibliographical references (informative)

Bibliography

Näytä kaikki

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations and symbols

4.1 Abbreviated terms
4.2 Symbols

5 Design

5.1 General
5.2 Design principles
5.3 Assembly requirements
5.4 Standard components
5.5 Units of measurements
5.6 Rounding
5.7 Conformance with piping design codes
5.8 Conformance with this document

6 Designation

6.1 Designation of flanges
6.2 Designation of seal rings

7 Materials

7.1 General
7.2 Flange materials
7.3 Bolting materials
7.4 Seal ring materials

8 Strength, pressure/temperature ratings and leak tightness

8.1 General
8.2 Pressure/temperature ratings
8.3 Pressure testing and leak tightness

9 Dimensions of flanges

9.1 General
9.2 Weld neck dimensions
9.3 Blind flange (BL) dimensions
9.4 Integral flange (IF) dimensions
9.5 Rigid interface dimensions
9.6 Dimensions of paddle blanks (PB) and paddle spacers (PS)
9.7 Handle and lifting lugs
9.8 Dimensions of orifice spacers (OS)
9.9 Dimensions of reducing threaded flanges
9.10 Auxiliary connections
9.11 Flange tolerances
9.12 Surface finish

10 Marking of flanges

10.1 Flanges other than integral flanges
10.2 Manufacturer's name or trademark
10.3 Nominal size
10.4 Pressure class designation
10.5 Pipe dimensions
10.6 Material identification
10.7 Identification of internally threaded flanges
10.8 Material traceability
10.9 Marking examples
10.10 Stamping

11 Dimensions of seal rings
12 Manufacture, testing and inspection of IX seal rings
13 Coating and colour coding
14 Marking of seal rings
15 Quality management systems
16 Bolt dimensions and masses

Annex A Pressure temperature ratings and load capacity (normative)
Annex B Integral flange angle selection (normative)
Annex C Bolt dimensions and masses (normative)
Annex D Handling, installation, assembly and repair of flanges (normative)
Annex E Mass of flanges (informative)
Annex F Metric bolting (informative)
Annex G Additional information on bibliographical references (informative)

Bibliography

Tuoteryhmä(t)

23.040.60 Laipat, liittimet ja muut putkiliitokset »

Sidokset

Velvoittavat viittaukset

ASME B1.20.1:2013
ASME B16.34:2017
ASME B16.5:2017

Tekninen komitea

CEN/TC 12 Oil and gas industries including lower carbon energy »

Vahvistuspäivä

28.12.2020

Julkaisupäivä

29.12.2020

Painos

1

Sivumäärä

113

Julkaisun kieli

englanti