Specifies requirements for the design, construction and testing of safety valves, other valves, liquid relief valves, liquid level gauges, blowdown valves and other fittings for use on boilers and unfired pressure vessels and their associated piping.RECONFIRMATION NOTICETechnical Committee ME-001 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 13 October 2015.The following are represented on Technical Committee ME-001:Australasian Corrosion AssociationAustralasian Institute of Engineer SurveyorsAustralian Aluminium CouncilAustralian Building Codes BoardAustralian Chamber of Commerce and IndustryAustralian Industry GroupAustralian Institute for the Certification of Inspection PersonnelAustralian Institute of EnergyAustralian Institute of PetroleumBureau of Steel Manufacturers of AustraliaDepartment of Justice and Attorney General (QLD)Electricity Engineers Association (New Zealand)Energy Networks AssociationEngineers AustraliaInstitution of Professional Engineers New ZealandMaterials AustraliaNational Association of Testing Authorities AustraliaNew Zealand Heavy Engineering Research AssociationNew Zealand Manufacturers and Exporters AssociationSafeWork NSWWelding Technology Institute of AustraliaWorksafe Division, Department of Commerce, Western AustraliaWorksafe New ZealandWorkSafe Victoria