ДСТУ EN 125:2019 Пристрої контролювання полум’я для газових приладів. Термоелектричні типи (EN 125:2010, IDT)



ДСТУ EN 125:2019
(EN 125:2010, IDT)

Пристрої контролювання полум’я для газових приладів.
Термоелектричні типи

 

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

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Classification

4.1 Classes of control

4.2 Groups of control

4.3 Classes of control functions

5 Units of measurement and test conditions

6 Construction requirements

6.1 General

6.2 Mechanical parts of the control

6.3 Materials

6.4 Gas connections

6.5 Electronic parts of the control

6.6 Protection against internal faults for the purpose of functional safety

7 Performance

7.1 General

7.2 Leak-tightness

7.3 Test for leak-tightness

7.4 Torsion and bending

7.5 Torsion and bending tests

7.6 Rated flow rate

7.7 Test for rated flow rate

7.8 Durability

7.9 Performance tests for electronic controls

7.10 Long-term performance for electronic controls

7.101 Operating torque and force

7.102 Interlocks

7.103 Closing current

7.104 Sealing force

7.105 Endurance

8 EMC/Electrical requirements

9 Marking, installation and operating instructions

9.1 Marking

9.2 Installation and operating instructions

9.3 Warning notice

Annex A (informative) Gas connections in common use in the various countries

Annex В (informative) Leak-tightness test - volumetric method

Annex C (informative) Leak-tightness test - pressure loss method

Annex D (normative) Conversion of pressure loss into leakage rate

Annex E (normative) Electrical/electronic component fault modes

Annex F (normative) Additional requirements for safety accessories and pressure accessories as defined in EU Directive 97/23/EC

Annex G (normative) Materials for pressurized parts

Annex H (informative) Additional materials for pressurized parts

Annex I (normative) Requirements for controls used in DC supplied gas burners and gas burning appliances

Annex AA (informative) Types of flame supervision devices

Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC relating to appliances burning gaseous fuels

Bibliography