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AS/NZS ISO 21172.1:2025 Gas cylinders - Welded steel pressure drums up to 3 000 litres capacity for the transport of gases - Design and construction Capacities up to 1 000 litres
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(edit with the Customer Reassurance module)
AS/NZS ISO 21172.1:2025 identically adopts ISO 21172-1:2015, which specifies the minimum requirements for the material, design, fabrication, construction and workmanship, inspection, and testing at manufacture of refillable welded steel gas pressure drums of volumes 150 l to 1 000 l and up to 300 bar test pressure for compressed and liquefied gases