ISO 15996 AMD 1-2007 Gas cylinders - Residual pressure valves - General requirements and type testing Amendment 1《气瓶 残余压力数值 一般要求和类型测试 修改件1》.pdf

1、 Reference numberISO 15996:2005/Amd.1:2007(E)ISO 2007INTERNATIONAL STANDARD ISO15996First edition2005-04-01AMENDMENT 12007-12-01Gas cylinders Residual pressure valves General requirements and type testing AMENDMENT 1 Bouteilles gaz Robinets pression rsiduelle Exigences gnrales et essais de type AMEN

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7、/Amd.1:2007(E) ISO 2007 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each me

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11、tent rights. ISO shall not be held responsible for identifying any or all such patent rights. Amendment 1 to ISO 15996:2005 was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 2, Cylinder fittings. ISO 15996:2005/Amd.1:2007(E) ISO 2007 All rights reserved 1Gas cylinders Res

12、idual pressure valves General requirements and type testing AMENDMENT 1 Page 1, Clause 2, Normative references Replace the reference “ISO 10297:1999, Gas cylinders Refillable gas cylinder valves Specification and type testing” with the reference “ISO 10297, Transportable gas cylinders Cylinder valve

13、s Specification and type testing”. Page 12, Annex C Replace the entire text of Annex C with the following: “The residual pressure function of the valve should resist leakage of gas due to vibration experienced in transport. The following test is given as an example of how to reproduce the vibration

14、during transportation. The test shall be carried out with a minimum of 3 samples (at least 1 sample per type variant). The residual pressure valve shall be connected to a 5 l gas cylinder mounted on a vibration apparatus. The test shall be carried out with an initial pressure of 0,5 bar in the gas c

15、ylinder and with the main valve orifice open. After being subjected to vibration for 2,5 h (equivalent to 4 000 km, see MIL-STD-810F) along the axis of the residual pressure mechanism, the cylinder pressure shall be greater than or equal to 0,25 bar. For carrying out the test in the laboratory, see

16、for example MIL-STD-810F, Method 514.5, Procedure I, reference spectrum of figure 514.5C-1.” Page 15, Bibliography Add the following reference at the end of the list: “7 MIL-STD-810F, Department of Defense Test Method Standard for Environmental Engineering Considerations and Laboratory Tests” ISO 15996:2005/Amd.1:2007(E) ICS 23.020.30 Price based on 1 page ISO 2007 All rights reserved