标准编号:	JB/T 2190-1993
中文名称:	锅炉人孔和头孔装置
英文名称:	Man-hole and Head-hole Devices of Boiler
行业分类:	JB    机械行业标准
发布机构:	机械工业部
发布日期:	1993-06-01
实施日期:	1994-1-1
标准状态:	valid
替代旧标准:	JB 2190-1977
翻译语言:	英文
文件格式:	PDF

This standard specifies the basic structure type of man-hole device and head-hole device. This standard is applicable to the man-hole device and head-hole device of steam boiler with rated steam pressure no larger than 3.82 MPa and hot water boiler.

1 Subject Content and Application Scope 1 2 Normative References 1 3 Strength Calculation 1 4 Man-hole Device 1 5 Head-hole Device 2 6 Ellipse Practice 3 7 Man-hole Device and Head-hole Device Specifications 3 8 Marking and Illustration 3 Additional Explanations: 3