AS/NZS 4233.2:1999
High pressure water (hydro) jetting systems - Construction and performance
Proposes minimum requirements for the construction and performance of high pressure water jetting systems and associated equipment and componentry.
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AS/NZS 4233.2:1999 HIGH PRESSURE WATER (HYDRO) JETTING SYSTEMS - CONSTRUCTION AND PERFORMANCE
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 APPLICATION
1.4 REFERENCED DOCUMENTS
1.5 DEFINITIONS
1.5.1 Auxiliaries
1.5.2 Capable person (New Zealand)
1.5.3 Changeover valve
1.5.4 Competent person (Australia)
1.5.5 Dump system
1.5.6 Foot control valve
1.5.7 High pressure water cleaning
1.5.8 High pressure water cutting
1.5.9 High pressure water jetting system
1.5.10 Hose assembly
1.5.11 Jetting gun
1.5.12 Jetting hand manifold and spray bars
1.5.13 Nozzle
1.5.14 Relief valve
1.5.15 Retro gun
1.5.16 Safety pressure relief device (safety valve)
1.5.17 Shotgunning
SECTION 2 DESIGN AND CONSTRUCTION
2.1 GENERAL REQUIREMENTS
2.2 PUMP AND DRIVE UNIT
2.2.1 General
2.2.2 Name plate
2.2.3 Gauges and controls
2.2.4 Lifting
2.2.5 Valve and port design
2.3 PIPEWORK
2.3.1 Vibrations and pulsations
2.3.2 Supports
2.4 PRESSURE VESSELS
2.5 ELECTRICAL EQUIPMENT
2.6 SAFETY AND PRESSURE RELIEF VALVES (RELIEF DEVICES)
2.6.1 General
2.6.2 Installation
2.7 HOT PARTS
2.8 GUARDS
SECTION 3 INSTALLATION AND SITE REQUIREMENTS
3.1 GENERAL
3.2 PIPEWORK, VESSELS AND FITTINGS
3.2.1 Pipework and fittings
3.2.2 Non-return valves
3.3 CONTROLS AND ALARMS
3.3.1 Alarms
3.3.2 Shut-down
3.3.3 Flow control
3.3.4 Overspeed protection
3.4 PUMP INSTALLATION
3.4.1 Access
3.4.2 Control
3.4.3 Warning notices
3.4.4 Water supply
3.5 PRESSURE INDICATORS
3.5.1 General
3.5.2 Applications
3.6 PIPEWORK
3.6.1 Support
3.6.2 Drainage
SECTION 4 HOSES
4.1 CLASS A JETTING SYSTEMS
4.1.1 Hose
4.1.2 Hose assemblies, couplings and connectors
4.1.3 Hose assembly testing
4.1.4 Re-ended hose assemblies
4.1.5 Marking
4.2 CLASS B JETTING SYSTEMS
4.2.1 Hoses
4.2.2 Hose-end assemblies, couplings and connectors
4.2.3 Hose assemblies
4.2.4 Testing
4.2.5 Re-ended hose assemblies
4.2.6 Retesting
4.2.7 Marking
SECTION 5 MISCELLANEOUS COMPONENTRY
5.1 FILTER OR STRAINER
5.2 JETTING GUN EXTENSION
SECTION 6 MARKING
6.1 GENERAL
6.2 PUMPS
6.3 HOSES
6.4 ADAPTORS AND END FITTINGS
6.5 HOSE ASSEMBLIES
6.6 RE-ENDED AND RETESTED HOSES
APPENDIX A - HYDROSTATIC TESTING OF CLASS B HIGH PRESSURE WATER JETTING SYSTEM HOSES AND HOSE ASSEMBLIES
A1 GENERAL
A2 PRINCIPLE
A3 PROCEDURE
A3.1 Identification
A3.2 Inspection
A4 REPAIR
A5 TESTING
A6 REPORT
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References
Water supply - Backflow prevention devices - Materials, design and performance requirements
High pressure water (hydro) jetting systems - Guidelines for safe operation and maintenance
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AS/NZS 4233.2:1999 HIGH PRESSURE WATER (HYDRO) JETTING SYSTEMS - CONSTRUCTION AND PERFORMANCE
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 APPLICATION
1.4 REFERENCED DOCUMENTS
1.5 DEFINITIONS
1.5.1 Auxiliaries
1.5.2 Capable person (New Zealand)
1.5.3 Changeover valve
1.5.4 Competent person (Australia)
1.5.5 Dump system
1.5.6 Foot control valve
1.5.7 High pressure water cleaning
1.5.8 High pressure water cutting
1.5.9 High pressure water jetting system
1.5.10 Hose assembly
1.5.11 Jetting gun
1.5.12 Jetting hand manifold and spray bars
1.5.13 Nozzle
1.5.14 Relief valve
1.5.15 Retro gun
1.5.16 Safety pressure relief device (safety valve)
1.5.17 Shotgunning
SECTION 2 DESIGN AND CONSTRUCTION
2.1 GENERAL REQUIREMENTS
2.2 PUMP AND DRIVE UNIT
2.2.1 General
2.2.2 Name plate
2.2.3 Gauges and controls
2.2.4 Lifting
2.2.5 Valve and port design
2.3 PIPEWORK
2.3.1 Vibrations and pulsations
2.3.2 Supports
2.4 PRESSURE VESSELS
2.5 ELECTRICAL EQUIPMENT
2.6 SAFETY AND PRESSURE RELIEF VALVES (RELIEF DEVICES)
2.6.1 General
2.6.2 Installation
2.7 HOT PARTS
2.8 GUARDS
SECTION 3 INSTALLATION AND SITE REQUIREMENTS
3.1 GENERAL
3.2 PIPEWORK, VESSELS AND FITTINGS
3.2.1 Pipework and fittings
3.2.2 Non-return valves
3.3 CONTROLS AND ALARMS
3.3.1 Alarms
3.3.2 Shut-down
3.3.3 Flow control
3.3.4 Overspeed protection
3.4 PUMP INSTALLATION
3.4.1 Access
3.4.2 Control
3.4.3 Warning notices
3.4.4 Water supply
3.5 PRESSURE INDICATORS
3.5.1 General
3.5.2 Applications
3.6 PIPEWORK
3.6.1 Support
3.6.2 Drainage
SECTION 4 HOSES
4.1 CLASS A JETTING SYSTEMS
4.1.1 Hose
4.1.2 Hose assemblies, couplings and connectors
4.1.3 Hose assembly testing
4.1.4 Re-ended hose assemblies
4.1.5 Marking
4.2 CLASS B JETTING SYSTEMS
4.2.1 Hoses
4.2.2 Hose-end assemblies, couplings and connectors
4.2.3 Hose assemblies
4.2.4 Testing
4.2.5 Re-ended hose assemblies
4.2.6 Retesting
4.2.7 Marking
SECTION 5 MISCELLANEOUS COMPONENTRY
5.1 FILTER OR STRAINER
5.2 JETTING GUN EXTENSION
SECTION 6 MARKING
6.1 GENERAL
6.2 PUMPS
6.3 HOSES
6.4 ADAPTORS AND END FITTINGS
6.5 HOSE ASSEMBLIES
6.6 RE-ENDED AND RETESTED HOSES
APPENDIX A - HYDROSTATIC TESTING OF CLASS B HIGH PRESSURE WATER JETTING SYSTEM HOSES AND HOSE ASSEMBLIES
A1 GENERAL
A2 PRINCIPLE
A3 PROCEDURE
A3.1 Identification
A3.2 Inspection
A4 REPAIR
A5 TESTING
A6 REPORT
AS/NZS 4233.2:1999
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.