ASME PTC 19.3TW-2010 温度计保护管

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标准号:ASME PTC 19.3TW-2010
中文标准名称:温度计保护管
英文标准名称:Thermowells
标准类型:N11
发布日期:2010/1/1 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:N11
国际标准分类号:17.200.20
适用范围:This Standard applies to thermowells machined from bar stock and includes those welded to or threaded into a flange as well as those welded into a process vessel or pipe with or without a weld adaptor. Thermowells manufactured from pipe are outside the scope of this Standard. Thermowells with specially designed surface structures (e.g., a knurled surface or a surface with spiral ridges) are beyond the scope of this Standard, due to the difficulty of providing design rules with broad applicability for these types of thermowells. Thermowell attachment methods, standard dimensions, parasitic vibration of a sensor mounted inside the thermowell, and thermal equilibrium of the sensor relative to the process stream are beyond the scope of this Standard. In addition, thermowells fabricated by welding, including flame spray or weld overlays, at any place along the length of the shank or at the tip are outside the scope of this Standard.

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