ДСТУ EN 12259-9:2022 Стационарные системы пожаротушения. Компоненты спринклерных систем и систем разбрызгивания воды. Часть 9. Клапаны тривожной сигнализации (EN 12259-9:2019, IDT)

ДСТУ EN 12259-9:2022
(EN 12259-9:2019, IDT)

Стаціонарні системи пожежогасіння. Компоненти спринклерних систем і систем розбризкування води. Частина 9. Клапани тривожної сигналізації

 
   
 
 
     
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 and definitions

4 Product characteristics

4.1 Operational reliability

4.1.1 Working pressure

4.1.2 Range of operation

4.1.3 Pressure loss due to hydraulic friction loss

4.1.4 Operational reliability of moving parts

4.1.5 Avoidance of error in cover plate installation

4.1.6 Provision of access to sealing assembly for maintenance

4.1.7 Provision of manual drain connection

4.1.8 Provision of automatic drain to prevent water columns

4.2 Durability

4.2.1 Endurance

4.2.2 Resistance to ageing of non-metallic components (excluding gaskets, diaphragms and seals)

4.2.3 Resistance of springs and diaphragms to cyclic operations

4.2.4 Resistance to deterioration of body, fasteners and covers

4.2.5 Resistance to deterioration for seating and bearing surfaces

4.2.6 Resistance to adhesion for sealing assembly and diaphragm elements

4.3 Additional requirements

4.3.1 Nominal size

4.3.2 Connections

5 Testing, assessment and sampling methods

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

6.2.4 Shared other party results

6.3 Factory production control (FPC)

6.3.1 General

6.3.2 Requirements

6.3.3 Product specific requirements

6.3.4 Initial inspection of factory and of FPC

6.3.5 Continuing surveillance of FPC

6.3.6 Procedure for modifications

6.3.7 Pre-production products (e.g. prototypes)

7 Marking, labelling and packaging

7.1 General

7.2 Deluge alarm valve

8 Instructions for installation and operation

Annex A (normative) Fire exposure test for body and cover

Annex B (normative) Strength test for body and cover

Annex C (normative) Flow tests for deluge alarm valves

C.1 Automatic drain valve operation

C.2 Flow through open drain

C.3 Hydraulic friction loss test

Annex D (normative) Sealing assembly tests

D.1 Fatigue test for springs and diaphragms

D.2 Anti-reseating test

D.3 Differential pressure ratio test

Annex E (normative) Performance tests

E.1 Resistance of body and sealing assembly to leakage and deformation

E.2 Operational characteristics of a deluge alarm valve

Annex F (normative) Resistance to ageing test for non-metallic components (excluding diaphragms, gaskets and seals)

F.1 Air oven ageing for components normally exposed to air when in the ready condition

F.2 Warm water ageing for components normally exposed to water when in the ready condition

Annex G (normative) Leakage resistance test

Annex H (normative) Test for sealing assembly elements - Resistance to adhesion

Annex I (normative) Endurance test - Procedure

Annex J (normative) Salt mist corrosion test

J.1 Reagents

J.2 Apparatus

J.3 Procedure

Annex K (informative) Typical testing schedule and example of test specimen number of deluge alarm valves

Bibliography