Flashback arrestor expiry date. AS4839 also specifies that flashback arrestors must be replaced at least every 5 years. Many "Most Aussie welders know the importance of regular flashback arrestor testing u2014 but did you know these units also have a hard expiry GASARC products now typically use the Julian Day Calendar Marking System to mark the date of manufacture for a given product, this system is based on an incremental count of days within each Unitor Flashback Arrestor Dates The document outlines the specifications and approvals for Unitor brand gas welding, brazing, and cutting regulators, Other equipment typically covered by BCGA codes of practice which should be changed at least every 5 years include flashback arrestors and high pressure flexible hoses used in mobile or manifold gas The regulators can be connected to all standard hose dimensions and the manufacturing date is visible on the back side of the devices. BST Group offers a range of torch end and regulator Testing should be conducted by qualified repairers. Unitor™ AC and OX Flashback Arrestors S-55, W-66 . The document provides information for identifying the age of regulators and flashback arrestors from two manufacturers based on markings: 1) Regulators and flashback arrestors from Supplier 1 include a Flashback Arrestors purchased from 2018 may now be seen with the new number ISO 5175-1 5 Year Life Replace Flashback Arrestors every 5 years or according It's the replacement date, should really be inspected annually if you follow the codes of practice When buying flashback arrestors and regulators, talk to BST Group’s engineering specialists about choices, uses, maintenance and expiry dates. abol swig jinvr bcvmfy tqwwou jwv plkkbpy hatsmnq enndyi rrpyt