GB 27898.3-2026 Fixed water supply equipment used for fire-protection—Part 3:Pressure boosting and stabilizing type water supply equipment used for fire-protection

GB 27898.5-2026 Fixed water supply equipment used for fire-protection—Part 5:Dual power fixed water supply equipment used for fire-protection

GB 27898.3-2011 Fixed water supply equipment used for fire-protection—Part 3:Pressure boosting and stabilizing type water supply equipment used for fire-protection

GB 150-1998 Steel pressure vessels GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 1226-2001 General pressure gauge GB/T 1226-2010 General pressure gauge GB/T 1226-2017 General pressure gauge GB/T 1227-2002 Accurate pressure gauge GB/T 1227-2010 Accurate pressure gauge GB/T 1227-2017 Accurate pressure gauge GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB 5135.6-2003 Automatic sprinkler system—Part 6:Convention valve GB 5135.6-2018 Automatic sprinkler system—Part 6:Conventional valves GB 5135.7-2003 Automatic sprinkler system—Part 7:Water flow indicator GB 5135.7-2018 Automatic sprinkler systems—Part 7:Water flow indicators GB 5135.10-2006 Automatic sprinkler system—Part 10:Pressure switch GB 5135.11-2006 Automatic sprinkler system—Part 11:Grooved couplings and fittings GB 5135.11-2025 Automatic sprinkler systems—Part 11:Grooved pipe couplings and fittings GB 6245-1998 Performance requirements and test methods for fire pumps GB 6245-2006 Fire pumps GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 25000.51-2016 Systems and software engineering—Systems and software Quality Requirements and Evaluation (SQuaRE)—Part 51:Requirements for quality of Ready to Use Software Product(RUSP) and instructions for testing GB 27898.1-2011 Fixed water supply equipment used for fire-protection—Part 1:Gas pressure fixed water supply equipment used for fire-protection XF 61-2010 General technical requirements for fixed fire-extinguishing system drive and control devices