Name: AS 4118.1.8-1999 - Fire sprinkler systems Components - Pressure-reducing valves
Brand: Standards Australia

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Fire sprinkler systems Components - Pressure-reducing valves

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English

Published date

05-05-1999

Publisher

Standards Australia

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This Standard has been reconfirmed. To view or download the Reconfirmation Notice please click here.

1 - AS 4118.1.8-1999 FIRE SPRINKLER SYSTEMS - COMPONENTS - PRESSURE-REDUCING VALVES
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.3 OBJECTIVE
7 - 1.4 NEW DESIGNS AND INNOVATIONS
7 - 1.5 APPROVAL AND LISTINGS
7 - 1.6 REFERENCED DOCUMENTS
8 - 1.7 DEFINITIONS
8 - 1.7.1 Pressure-reducing valve
8 - 1.7.2 Bronze
9 - SECTION 2 REQUIREMENTS
9 - 2.1 NOMINAL SIZES
9 - 2.2 CONNECTIONS
9 - 2.3 RATED WORKING PRESSURES
9 - 2.4 BODIES AND COVERS
9 - 2.5 STRENGTH OF BODY
10 - 2.6 MECHANICAL STRENGTH
10 - 2.7 ACCESS FOR MAINTENANCE
10 - 2.8 COMPONENTS
11 - 2.9 NON-METALLIC COMPONENTS
11 - 2.10 SEALING ASSEMBLY ELEMENTS
11 - 2.11 CLEARANCES
12 - 2.12 OPERATING TORQUE
12 - 2.13 PROVISION FOR VALVE SECURITY
12 - 2.14 SPRINGS AND DIAPHRAGMS
13 - 2.15 OPERATIONAL PERFORMANCE
13 - 2.16 BACK PRESSURE
13 - 2.17 DURABILITY
13 - 2.18 LEAKAGE
14 - SECTION 3 TEST METHODS
14 - 3.1 BODY STRENGTH TEST
14 - 3.1.1 General
14 - 3.1.2 Procedure
14 - 3.2 MECHANICAL STRENGTH TEST
14 - 3.3 NON-METALLIC COMPONENTS TEST
14 - 3.3.1 Air-oven ageing - Excluding gaskets and seals
15 - 3.3.2 Warm water ageing - Excluding gaskets and seals (see Clause 2.9)
15 - 3.3.3 Test for sealing assembly seals
16 - 3.4 OPERATING TORQUE TEST
16 - 3.5 SPRING AND DIAPHRAGM TEST
16 - 3.6 OPERATIONAL TESTS
17 - 3.7 LEAKAGE TEST
17 - 3.7.1 Seat leakage test
17 - 3.7.2 Body leakage test
17 - 3.7.3 One year static leakage test
18 - 3.8 DURABILITY TEST
18 - 3.9 FIRE EXPOSURE TEST FOR PRESSURE-REDUCING VALVES MADE OF METALLIC MATERIALS WITH MELTING POINTS LESS THAN 800°C OR OF NON-METALLIC MATERIALS
19 - SECTION 4 MARKING
19 - 4.1 GENERAL
19 - 4.2 BODY MARKINGS
20 - SECTION 5 MANUFACTURER'S INSTRUCTIONS

Specifies the construction, performance and testing requirements for pressure-reducing valves used in automatic fire sprinkler systems.

Committee	FP/4
DocumentType	Standard
ISBN	0 7337 2572 4
Pages	14
ProductNote	Reconfirmed 10-07-2013
PublisherName	Standards Australia
Status	Current
Supersedes	DR 98457 CP

This Standard details the requirements for valves intended for pressure control or pressure reduction purposes in fire protection systems.

First published as AS 4118.1.8-1999.

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AS 4118.1.8-1999

Fire sprinkler systems Components - Pressure-reducing valves

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