Taylor-Forge 是什么规范? nema是美国电器制造商协会的工业控制装置和系统中的外壳防护标准。除防尘,防水之外,还包括防爆,和常见的ip防护标准相比,多了防爆的内容。对于电仪人员来说,应该是很常见的; taylor-forge bulletin 502 modern flange design则是taylor forge and pipe works出版的关于法兰设计的标准,大概找到点描述“bulletin 502 was first published in 1938 by taylor forge and pipe works as modern flange design. it has since become a standard reference manual for the design of bolted flanges – now called part a flanges by the code. these are defined as having gaskets wholly within the circle enclosed by the bolt holes and no point of contact beyond this circle. part a rules limit the analysis to consideration of the flange moment that results from”。 仅供参考。查看更多