ДСТУ EN 12480:2019 Газові лічильники. Лічильники газу роторні (EN 12480:2018, IDT)

ДСТУ EN 12480:2019
(EN 12480:2018, IDT)

Газові лічильники. Лічильники газу роторні

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

Contents

European foreword

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions

3.2 Symbols and abbreviations

4 Operating range

4.1 General

4.2 Flow rate range (conformity/individual)

4.3 Operating pressure range (conformity/individual)

4.4 Operating temperature range (conformity/individual)

5 Metrological performance

5.1 General

5.2 Error of indication (conformity/individual)

5.3 Pressure loss (conformity/individual)

5.4 Metrological repeatability (conformity)

5.5 Operating pressure (conformity/individual)

5.6 Temperature ranges (conformity)

5.7 Condensing ambient conditions (conformity)

5.8 Bidirectional meters (conformity)

5.9 Influence of oil filling (conformity)

6 Design and manufacturing

6.1 General (conformity/individual)

6.2 Material

6.3 Robustness

6.4 Transportation and storage (conformity/individual)

6.5 Connections (conformity)

6.6 Pressure and temperature tappings (conformity)

6.7 Manufacturing

7 Meter output (conformity)

7.1 Index

7.2 Index window

7.3 Output drive shafts

7.4 Pulse generators

8 Durability (conformity)

8.1 Requirements

8.2 Tests

9 Marking, labelling and packaging (conformity/individual)

9.1 General

9.2 Direction of flow

9.3 Pressure tappings

9.4 Durability and legibility of marking

10 Documentation (conformity)

10.1 General

10.2 Documentation related to the manufacturer's tests

10.3 Declaration of conformity

10.4 Instruction manual

Annex A (normative) Pattern approval

Annex В (normative) Individual meter testing

Annex C (normative) Resistance to high temperature

Annex D (normative) Compliance evaluation for gas meters

Annex E (normative) Non-destructive testing (NDT)

Annex F (normative) Materials for pressurized parts

Annex G (normative) Additional tests for meters to be used in open locations

Annex H (normative) Meter family

Annex ZA (informative) Relationship between this European Standard and the essential requirements of EU Directive 2014/32/EU aimed to be covered

Annex ZB (informative) Relationship between this European Standard and the essential requirements of EU Directive 2014/68/EU aimed to be covered

Bibliography