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CGA (Compressed Gas Association) connections are adapter fittings designed to connect a cylinder of compressed gas to either a regulator, pigtail, hose assembly, etc. Each CGA Series (I.E. 580, 590, 660) has a unique design which will only “mate” with the corresponding cylinder connection.
CGA Selection Charts. It is recommended that the user thoroughly familiarize himself with the specific properties of these gases. The Compressed Gas Association (CGA) has selected and standardized the valve outlet to be used on each gas cylinder.
1. Confirm compatibility between the gas, the cylinder and the valve. Identify the gas to be filled into the cylinder and understand the properties of that gas. The gas cylinder and the valve shall be constructed of materials that are compatible with the gas (where they are in contact with the gas).
MIXED GASES CGA SE LEC TION CHART FOR FITTINGS. It is recommended that the user thoroughly familiarize himself with the specifi c properties of these gases. Th e Compressed Gas Association (CGA) has selected and standardized the valve outlet to be used on each gas cylinder.
In the selection table we highlight our common BS341, DIN 477 and CGA connections, which by using the configuration item number, you can build and configure your finished ‘Pressure Regulator’, ‘Gas Delivery Panel’ or ‘Outlet Point’ control equipment to meet the needs of your application.
The document is a practical guide for the selection of cylinder valve outlets for industrial gases and gas mixtures. Medical and electronics grade gases are not covered in this document.
The following diagrams show the configuration of various CGA cylinder connectors. FTI offers a full range of gas cylinder connectors conforming to Compressed Gas Association Standards (CGA).
