HG/T 2055.2-1991
Glass-lined entry hole with sight glass entry hole (English Version)
- Standard No.
- HG/T 2055.2-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Status
- 2008-04
- Replace By
- HG/T 2055.2-2007
- Latest
- HG/T 2055.2-2019
- Scope
- This standard specifies the type, basic parameters, main dimensions and technical requirements of glass-lined manholes with sight glasses. This standard applies to glass-lined containers with a nominal pressure less than or equal to 1.0MPa and a medium temperature higher than -20°C and lower than or equal to 200°C. This standard is generally used for glass-lined containers that are not frequently opened. Available as an installer. Maintenance access or inspection holes.
HG/T 2055.2-1991 history
- 2019 HG/T 2055.2-2019 Glass lined manhole with sight glass
- 2013 HG/T 2055.2-2013 Manhole with glass sight for glass-lined vessel
- 2007 HG/T 2055.2-2007 Manhole with glass sight for glass lined steel vessel
- 1970 HG/T 2055.2-1991 Glass-lined entry hole with sight glass entry hole
