HG/T 2145.4-2009
Quick-opening handhole with glass sight for glass lined steel vessel (English Version)
- Standard No.
- HG/T 2145.4-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Chemical Industry
- Status
- 2016-01
- Replace By
- HG/T 2145.4-2015
- Latest
- HG/T 2145.4-2015
- Replace
- HG/T 2145.4-1991
- Scope
- This standard specifies the type, basic parameters, dimensions and technical requirements of quick opening hand holes with sight glasses for glass-lined equipment. This standard is applicable to quick opening hand holes with sight glasses for glass-lined equipment with a nominal pressure not greater than 1.0MPa and a design temperature higher than -20°C to 200°C.
HG/T 2145.4-2009 Referenced Document
- GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
- GB/T 3985 Comoresssed asbentos fibre jointing
- GB/T 6170 Hexagon nuts,style 1*， 2015-12-31 Update
- GB/T 70.1 Hexagon socket head cap screws
- GB/T 882 Clevis pin with head
- GB/T 898 Double end studs bm=1.25d
- GB/T 91 Split pins
- HG 2432 Qaulity standard of glass-lined equipment for industry
- HG/T 2050 Glass lined equipment gasket*， 2019-12-24 Update
- HG/T 2054 Glass lined equipment clips*， 2018-10-22 Update
- HG/T 2144 Glass lined equipment sight glass*， 2018-10-22 Update
HG/T 2145.4-2009 history
- 2015 HG/T 2145.4-2015 Quick-opening handhole with glass sight for glass-lined vessel
- 2009 HG/T 2145.4-2009 Quick-opening handhole with glass sight for glass lined steel vessel
- 1970 HG/T 2145.4-1991 Glass-lined hand hole with mirror quick opening hand hole
