Gas Cylinder Color Code Chart: A Comprehensive Guide
— (1) Inspection Intervals Based on Cylinder Type and Service: a. Seamless Steel Gas Cylinders: Biennial inspection (every 2 years): Cylinders for corrosive gases, diving applications, and those exposed to seawater. Triennial inspection (every 3 years): General-purpose cylinders. Quinquennial inspection (every 5 years): Inert gas cylinders.
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