ASTM C 1129通过给凸面阀门及法兰增加热绝缘材料评估蓄热量标准规范
日期:2012-02-08 15:45
of the bare valve and insulation surface areas, and
1.3.3 The quality of workmanship, fabrication, and installation.
1.4 This procedure is considered applicable both for conventional-type insulation systems and for removable/reuseable covers. In both cases, for purposes of heat transfer calculations, the insulation system is assumed to be homogenous.
1.5 This practice does not intend to establish the criteria required in the design of the equipment over which thermal insulation is used, nor does

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