Cylinder valve outlet connection

CGA V 7, Standard Method of Determining Cylinder Valve Outlet Connections for Industrial Gas Mixtures, 3 " ed., Compressed Gas Association, Inc., 1725 Jefferson Davis Highway, Arlington, VA 22202. 

This section summarizes the uniform United States and Canadian standards for compressed gas cylinder valve outlet connections. 

Cylinder valve outlet connections fall into four basic designs ... 

STANDARD CYLINDER VALVE OUTLET CONNECTION FOR PRESSURES UP TO 3,000 psig (20 680 kPa) FOR Oxygen... 

Since new connections and changes affecting existing connections may occur periodically, it is strongly recommended that the reader obtain the latest editions of CGA V-1 and V-7 [1, 2]. Whenever in doubt, contact CGA for assistance in selecting the proper cylinder valve outlet connections. 

The adequacy of these connections has been demonstrated through their extensive safe use since 1959 when they were first approved by CGA. CGA E-7, American National and CGA Standard for Medical Gas Regulators and Flowmeters, was first published in 1983 [6]. This CGA standard specifies that, where applicable, connections to these components be in accordance with CGA V-5 [5]. The DISS concept formed the basis for the new series of high pressure, ultra-high integrity cylinder valve outlet connections for electronic gases. 

For mixtures, other than those listed in V-1 (medical), CGA V-7, Standard Method of Determining Cylinder Valve Outlet Connections for Industrial Gas Mixtures should be consulted. This publication, through the use of a rating system, takes into account flammability and toxicity in the selection of the recommended outlet connection. Two additional publications, CGA P-20, Standard for the Classification of Toxic Gas Mixtures and CGA P-23, Standard for Categorizing Gas Mixtures Containing Flammable and Nonflammable Components should also be consulted. 

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