GB 5135.14-2011 Automatic sprinkler systems—Part 14:Preaction devices

GB 5135.17-2011 Automatic sprinkler system—Part 17:Pressure reducing valves GB 5135.21-2011 Automatic sprinkler system—Part 21:Inspector's test connection

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts GB/T 3098.3-2000 Mechanical properties of fasteners—Setscrews GB/T 3098.3-2016 Mechanical properties of fasteners—Set screws GB/T 3287-2000 Malleable cast iron pipe fittings GB/T 3287-2011 Malleable cast iron pipe fittings 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/T 9112-2000 Types and parameters for steel pipe flanges GB/T 9112-2010 Types and parameters for steel pipe flanges 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 17241.6-1998 Integral cast iron pipe flanges GB/T 17241.6-2008 Integral cast iron flanges GA 30.1-2002 The performance requirements and test methods for fixed fire water supply equipment - Part 1: Fire pressure water supply equipment GA 61-2002 Fixed Fire Extinguishing System Drive and Control Device General Technical Specification GB/T 3287-2024 Malleable cast iron pipe fittings GB 50084-2001 Code of design for sprinkler systems GB 50084-2017 Code for design of sprinkler systems GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts GB 5135.11-2025 Automatic sprinkler systems—Part 11:Grooved pipe couplings and fittings