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AS 3653-1993

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Boilers - Safety, management, combustion and other ancillary equipment
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1993

Publisher

Standards Australia

Preview

1 - AS 3653-1993 BOILERS-SAFETY, MANAGEMENT, COMBUSTION AND OTHER ANCILLARY EQUIPMENT
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.5 IMPLEMENTATION
8 - SECTION 2 GENERAL VALVES, GAUGES AND OTHER FITTINGS
8 - 2.1 GENERAL REQUIREMENTS
8 - 2.1.1 Design and construction
8 - 2.1.2 Valve and fitting scantlings
8 - 2.1.3 Minimum requisite fittings
9 - 2.1.4 Accessibility
9 - 2.1.5 Screwed connections
11 - 2.1.6 Studs for fittings
11 - 2.2 STOP AND ISOLATING VALVES
11 - 2.2.1 Stop valves
11 - 2.2.2 Isolating valves
11 - 2.2.3 Valve type
11 - 2.3 BLOWDOWN AND DRAIN FACILITIES
11 - 2.3.1 General
11 - 2.3.2 Blowdown facilities
12 - 2.3.3 Drain facilities
12 - 2.4 PRESSURE GAUGES
12 - 2.4.1 General
12 - 2.4.2 Construction
12 - 2.4.3 Connections
12 - 2.4.4 Test pressure gauge attachment
13 - SECTION 3 SAFETY VALVES
13 - 3.1 SIZE, NUMBER AND LOCATION OF VALVES
13 - 3.2 DISCHARGE CAPACITY
13 - 3.2.1 Unvented systems
13 - 3.2.2 Open-vented systems
14 - 3.2.3 Integral superheater discharge capacity
14 - 3.2.4 Independently-fired superheater discharge capacity
14 - 3.2.5 Reheater discharge capacity
14 - 3.2.6 Economizer discharge capacity
14 - 3.3 ACCUMULATION
14 - 3.4 RESEATING PRESSURE
15 - 3.5 DISCHARGE TESTS AND SAFETY VALVES
15 - 3.6 TYPE AND MINIMUM SIZE OF VALVES
15 - 3.7 VALVE SETTINGS
15 - 3.8 CONNECTIONS TO SHELL
16 - 3.9 EXPANSION JOINTS
16 - 3.10 PILOT PIPES
16 - 3.11 SAFETY VALVE DISCHARGE SYSTEM
16 - 3.12 DISCHARGE RESTRICTION
17 - SECTION 4 WATER LEVEL MANAGEMENT AND SECURITY
17 - 4.1 WATER LEVEL DEVICES AND INTERLOCKS
17 - 4.1.1 General
17 - 4.1.2 Level alarms
17 - 4.1.3 Automatic water level controllers and interlocks
18 - 4.2 WATER LEVEL INDICATORS
18 - 4.2.1 Number and type
19 - 4.2.2 Length of gauge glass on boilers other than water-tube type
19 - 4.2.3 Glass diameter
19 - 4.2.4 Visibility and accessibility
19 - 4.2.5 Drains
20 - 4.2.6 Guards
20 - 4.2.7 Water level gauge connections and location
21 - 4.2.8 Connecting pipes for water gauges
22 - 4.2.9 Safety devices
22 - 4.3 FEED SYSTEMS
22 - 4.3.1 Design pressure
22 - 4.3.2 Design temperature
22 - 4.3.3 Feedwater arrangements
24 - SECTION 5 BOILER MANAGEMENT SYSTEMS
24 - 5.1 GENERAL
24 - 5.2 MANUAL OPERATION
24 - 5.3 AUTOMATIC OPERATION
24 - 5.3.1 General
24 - 5.3.2 Automatic water level management
24 - 5.3.3 Alarms
24 - 5.4 UNATTENDED AND LIMITED ATTENDANCE OPERATION
24 - 5.5 PLC MANAGEMENT SYSTEMS
25 - 5.6 ELECTRICAL EQUIPMENT
25 - 5.6.1 Electrical requirements
25 - 5.6.2 Control cabinets
26 - 5.7 NOTICES
27 - SECTION 6 ENERGY INPUT SYSTEMS
27 - 6.1 COMBUSTION SYSTEMS
27 - 6.1.1 Suitability
27 - 6.1.2 Combustion heat flux limitation
27 - 6.1.3 Automatic oil and gas firing equipment
27 - 6.1.4 Other oil, gas or solid-fuel-in-suspension firing equipment
27 - 6.1.5 Solid-fuel firing systems
28 - 6.1.6 Piping
28 - 6.2 WASTE HEAT ENERGY RECOVERY SYSTEM
28 - 6.2.1 Input control
28 - 6.2.2 Input location
28 - 6.3 ELECTRIC ENERGY INPUT SYSTEMS
28 - 6.3.1 General
28 - 6.3.2 Electricity supply
28 - 6.3.3 Load adjustment
29 - 6.3.4 Current balance
29 - 6.3.5 Electrodes, elements and internal parts
29 - 6.3.6 Pressure and temperature control
29 - 6.3.7 Access
30 - SECTION 7 INTEGRAL AND BOILER PRESSURE PIPING
30 - 7.1 GENERAL
30 - 7.2 WATER- HEATING BOILER SYSTEM DESIGN
30 - 7.2.1 General
30 - 7.2.2 Expansion vessels
30 - 7.2.3 Piping system
31 - 7.2.4 Make-up water systems
31 - 7.2.5 Energy input interlock
32 - APPENDIX A - LIST OF REFERENCED DOCUMENTS
34 - APPENDIX B - EXAMPLE OF INTEGRAL BOILER PIPING COVERED BY AS 1228 AND THIS STANDARD

Specifies requirements for components, ancillary equipment, and management systems used as part of the boiler pressure and energy-generating system, including combustion equipment, water level security, safety valves and other fittings, blowdown connections and integral piping. Most of the requirements in This Standard are currently in AS 1228, Boilers - Water-tube, and AS 1797, Boilers - Fire-tube, shell and miscellaneous, with some requirements similar in both Standards, while others are different. The requirements have been reviewed, and as far as practicable, uniform requirements have been proposed in This Standard which will be applicable to all types of boilers. It is intended that all such requirements shall be withdrawn from AS 1228 and AS 1797 at their next revision.

This Standard specifies the requirements for components, ancillary equipment and management systems used as a part of the boiler pressure and energy generating systems, including management systems, combustion equipment, water level security, safety valves, general valves and fittings, blowdown connections and integral piping.NOTE: Ancillary equipment and its installation, which form part of the support system, e.g. feed water supply, plant piping, and environmental equipment, are covered in AS 3892.This Standard is intended to-(a) establish the requirements for boiler management systems for all levels of automated operation, and to include controls, interlocks, electrical systems and other safety systems; (b) establish the minimum requisite fittings and valves such as safety valves and blowdown valves; (c) establish selection criteria for energy input equipment such as combustion equipment and the requirements for interfacing with the boiler design; and (d) form a bridge between the design codes (AS 1228, AS 1271, AS 1797) and AS 3892.

Committee
ME-001
DocumentType
Standard
ISBN
0 7262 8402 5
Pages
28
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Draft Revision See DR 99268 First published as AS 3653-1993.

AS 1431.2-1989 Low voltage switchgear and controlgear - Control circuit devices and switching elements - Additional requirements for push-buttons and indicator lights
AS 3158-1994 Approval and test specification - Electric cables - Glass fibre insulated for working voltages up to and including 0.6/1 kV
AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
AS 1797-1986 Boilers - Fire-tube, shell, and miscellaneous
AS 1722.1-1975 Pipe threads of Whitworth form Sealing pipe threads (metric units)
AS 3147-1992 Approval and test specification - Electric cables - Thermoplastic insulated - For working voltages up to and including 0.6/1 kV
AS 1200-1988 Boilers and pressure vessels (known as the SAA Boiler Code)
AS 2052-1977 Metallic conduits and fittings
AS 1853-1983 Automatic oil and gas burners - Mechanical draught
AS 1722.2-1992 Pipe threads of Whitworth form Fastening pipe threads (Reconfirmed 2017)
AS 1029.1-1985 Low voltage contactors - Electromechanical (up to and including 1000 V a.c. and 1200 V d.c.)
AS 3178-1991 Approval and test specification - Electric cables - Silicone rubber insulated - For working voltages up to and including 0.6/1 kV
AS 1431.1-1989 Low voltage switchgear and controlgear - Control circuit devices and switching elements - General requirements
AS 1029.2-1982 Low voltage contactors - Semiconductor (solid state) (up to and including 1000 V a.c. and 1500 V d.c.)
AS 1074-1989 Steel tubes and tubulars for ordinary service (Reconfirmed 2018)
AS 3191-1981 Approval and test specification for electric flexible cords (incorporating Corrigenda)
AS 1210-1989 Unfired Pressure Vessels (known as the SAA Unfired Pressure Vessels Code)
AS 1271-1997 Safety valves, other valves, liquid level gauges, and other fittings for boilers and unfired pressure vessels
AS 3892-1995 Pressure equipment - Installation
AS 2593-1995 Boilers - Unattended and limited attendance
AS 1349-1986 Bourdon tube pressure and vacuum gauges (Reconfirmed 2018)
AS 1375-1985 Industrial fuel-fired appliances (known as the SAA Industrial Fuel-fired Appliances Code)
AS 1228-1997 Pressure equipment - Boilers
AS 3873-1995 Pressure equipment - Operation and maintenance

AS 3873-1995 Pressure equipment - Operation and maintenance
AS 2593-1995 Boilers - Unattended and limited attendance
AS/NZS 1200:1994 Pressure equipment
AS 1228-1997 Pressure equipment - Boilers
AS/NZS 3788:1996 Pressure equipment - In-service inspection
AS 3533.1-1997 Amusement rides and devices - Design and construction
AS 3533.2-1997 Amusement rides and devices - Operation and maintenance
AS 1271-1997 Safety valves, other valves, liquid level gauges, and other fittings for boilers and unfired pressure vessels
AS 2593-2001 Boilers - Unattended and limited attendance
AS 1210-1997 Pressure vessels
AS/NZS 3788:2001 Pressure equipment - In-service inspection
AS 3892-1995 Pressure equipment - Installation

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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