ДСТУ EN 14222:2022 Паровые котлы из нержавеющей стали (EN 14222:2021, IDT)

ДСТУ EN 14222:2022
(EN 14222:2021, IDT)

Парові котли з нержавкої сталі

 
   
 
 
     
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 Materials

5 Design

6 Manufacture

7 Inspection and testing

8 Marking

9 Requirements for equipment

9.1 General

9.2 Safeguards against excessive pressure

9.3 Materials for valves, fittings, flanges and bolting

9.4 Limiting devices and safety circuits

9.5 Steam boiler heat supply

9.6 Water level indication

9.7 Steam pressure indication

9.8 Drain and blowdown devices

9.9 Valves for connections

9.9.1 Steam outlets

9.9.2 Feed water connections and steam supply lines

9.10 Feed water supply

9.11 Feed water control

9.12 Limiter

9.12.1 Low water protection

9.12.2 Pressure limitation

10 Operation of steam boilers

11 Small steam boilers

Annex A (informative) Operation of steam boilers

Annex B (informative) Guidance on the relationship between this European Standard and the General Safety and Performance Requirements of Regulation (EU) 2017/745 on medical devices

Annex ZA (informative) Relationship between this European Standard and the essential requirements of Directive 2014/68/EU on Pressure Equipment aimed to be covered [OJEC L 189]

Annex ZB (informative) Relationship between this European Standard and the essential requirements of Directive 93/42/EEC on medical devices aimed to be covered [OJEC L 169]

Bibliography