ДСТУ EN 16475-4:2022 Димоходи. Аксесуари. Частина 4. Заслінки димових газів. Вимоги та методи випробувань (EN 16475-4:2020, IDT)

ДСТУ EN 16475-4:2022
(EN 16475-4:2020, IDT)

Димоходи. Аксесуари. Частина 4. Заслінки димових газів. Вимоги та методи випробувань

 
     
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 Product characteristics

4.1 General

4.1.1 Introduction

4.1.2 Temperature classes

4.1.3 Pressure classes

4.1.4 Condensate resistance classes

4.1.5 Corrosion resistance classes

4.1.6 Sootfire resistance classes

4.1.7 Distance to combustible material

4.1.8 Flue damper type

4.2 Safety in the case of fire

4.2.1 Reaction to fire

4.2.2 Fire resistance internal to external

4.3 Hygiene, health and environment

4.3.1 External gas tightness

4.3.2 Internal gas tightness

4.3.3 Flow resistance

4.3.4 Thermal resistance

4.3.5 Thermal shock resistance

4.3.6 Impact resistance of the flue damper

4.3.7 Accidental human contact

4.4 Durability

4.4.1 Condensate resistance

4.4.2 Corrosion resistance

4.4.3 Freedom of movement of the flue damper

5 Testing, assessment and sampling methods

5.1 Declaration for type test

5.2 Mechanical resistance

5.2.1 Free movement/durability test

5.2.2 Impact resistance test

5.3 Thermal performance tests

5.3.1 General

5.3.2 Test assembly

5.3.3 Test procedure

5.3.4 Test Results

5.4 Gas tightness

5.4.1 External gas tightness of the housing for all types of flue dampers

5.4.2 Internal gas tightness of the flue damper flap for flue damper types 1 and 2

5.5 Condensate resistance test

5.5.1 Test assembly

5.5.2 Test procedure

5.5.3 Test results

5.6 Flow resistance of the flue damper

5.6.1 Test assembly

5.6.2 Test procedure

5.6.3 Test results

5.7 Test sequence

6 Assessment and verification of constancy of performance - AVCP

6.1 General

6.2 Type testing

6.2.1 General

6.2.2 Test samples, testing and compliance criteria

6.2.3 Test reports

6.3 Factory production control (FPC)

6.3.1 General

6.3.2 Provisions

6.3.4 Initial inspection of factory and of FPC

6.3.5 Continuous surveillance of FPC

6.3.6 Procedure for modifications

6.3.7 One-off products, pre-production products (e.g. prototypes) and products produced in very low quantity

7 Product classification and designation

7.1 Classification

7.2 Designation

8 Marking, labelling and instruction

8.1 Flue damper

8.2 Product information

8.2.1 Instructions

8.2.2 Minimum information to be included in the manufacturer's instructions

Annex A (normative) Sampling for factory production control

A.1 Sampling plans

A.1.1 General

A.1.2 Acceptable quality level (AQL)

A.1.3 Normal, tightened or reduced inspection

A.1.4 Single, double, multiple or sequential sampling

A.1.5 Batch quantity

A.2 Inspection levels and procedures

A.2.1 Incoming material

A.2.2 In-process inspection

A.2.3 Finished goods checks

A.3 Electrical inspection

Annex B (informative) Recommended check and test sequence

Annex C (informative) Additional information for the use of a flue damper type 2 and 4

C.1 Boilers with forced draught burners

C.2 Boilers with burners with fan without air purging

C.3 Boilers with burners with fan with post-purge period

C.4 Gas boilers with burners without fan

C.5 Closing time of the flue damper flap

C.6 Malfunction of the flue damper

Annex D (informative) Examples of different types of flue dampers

Bibliography