标准编号：ISO 4126-3:2006
中文名称：过压保护安全装置 .第3部分：组合机械用安全阀和防爆膜安全装置
英文名称：Safety devices for protection against excessive pressure — Part 3: Safety valves and bursting disc safety devices in combination
发布日期：2006-03
标准范围
This part of ISO 4126 specifies the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 installed within no more than five pipe diameters from the valve inlet. It specifies the design, application and marking requirements for such products, which are used to protect pressure vessels, piping or other enclosures from excessive pressure, and which comprise the bursting disc safety device, a safety valve or CSPRS and, where applicable, a short length of connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations.
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