General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 28185-2011
Scope
This standard specifies the terms and definitions, models, general provisions, requirements, test methods, inspection rules, signs, instruction manuals and product certificates, signs, packaging, transportation and storage requirements of heat exchanger units. This standard applies to heat exchange units used in heat exchange systems such as heating (cooling).
GB/T 28185-2011 Referenced Document
GB 12706.1 Copper or aluminium conductor extruded plastic insulated power cables with rated voltages up to 35kV--Part 1:General
GB 7251.2 Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunking systems (busways)
GB 7251.3 Low-voltage switchgear and controlgear assemblies. Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use. Distribution boards
GB 7251.4 Low-voltage switchgear and controlgear assemblies Part 4: Particular requirements for assemblies for construction sites (ACS)
GB/T 12233 General purpose industrial valves.Casting iron globe valves and lift check valves
GB/T 12236 Steel swing check valve for petroleum,petrochemical and allied industries
GB/T 12237 Steel ball valves for petroleum, petrochemical and allied industries*, 2021-03-09 Update
GB/T 12238 Flanged and wafer resilient seal butterfly valves
GB/T 12243 Spring loaded safety valves*, 2021-04-30 Update
GB/T 12668.2 Adjustable speed electrical power drive systems Part 2: General requirements--Rating specifications for low voltage adjustable frequency a.c. power drive systems
GB/T 2887 General specification for computer field