This publication has been prepared as a guide for the visual inspection of aluminum compressed gas cylinders with service pressures of 1800 psig (12 410 kPa) or greater.² It is general in nature and does not cover all circumstances for each individual cylinder type or lading.

Additional publications prepared by the Compressed Gas Association, Inc. (CGA), that might be helpful include:

– CGA C-1, Methods for Hydrostatic Testing of Compressed Gas Cylinders [1];

– CGA C-6, Standards for Visual Inspection of Steel Compressed Gas Cylinders [6];

– CGA C-6.2, Guidelines for Visual Inspection and Requalification of Composite High Pressure Cylinders [7]; and

– CGA C-6.3, Guidelines for Visual Inspection and Requalification of Low Pressure Aluminum Compressed Gas Cylinders [8].

Since there has been little or no experience with aluminum cylinders in the pressure range from 900 psig to 1800 psig (6200 kPa to 12 410 kPa), this publication is directed at cylinders with a service pressure of 1800 psig (12 410 kPa) or greater. CGA C-6.3 is available for cylinders with lower service pressure [8].

² kPa shall indicate gauge pressure unless otherwise noted as (kPa, abs) for absolute pressure or (kPa, differential) for differential pressure. All kPa values are rounded off per CGA P-11, Metric Practice Guide for the Compressed Gas Industry [5].

Customers who purchased CGA C-6.1
also purchased

• CGA C-1 : METHODS FOR PRESSURE TESTING COMPRESSED GAS CYLINDERS-Tenth Edition
• CGA C-6.2 : GUIDELINES FOR VISUAL INSPECTION AND REQUALIFICATION OF FIBER REINFORCED HIGH PRESSURE CYLINDERS-Sixth Edition
• IEEE C63.4 : American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz

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