GB/T 26557-2021 Builders hoists for persons and materials with vertically guided cages

GB/T 26557-2011 Builders hoists for persons and materials with vertically guided cages

GB 2893-2001 Safety colors GB 2893-2008 Safety colours GB/T 2893.1-2004 Graphical symbols—Safety Colors and safety signs—Part1:Design principles for safety signs in workplaces and public areas GB/T 2893.1-2013 Graphical symbols—Safety colours and safety signs—Part 1:Design principles for safetry signs and safety markings GB/T 2893.2-2008 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.2-2020 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.3-2010 Graphical symbols—Safety colours and safety signs—Part 3:Design principles for graphical symbols for use in safety signs GB/T 2893.4-2013 Graphical symbols—Safety colours and safety signs—Part 4:Colorimetric and photometric properties of safety sign materials GB/T 2893.5-2020 Graphical symbols—Safety colours and safety signs—Part 5:Principles and requirements for the use of safety signs GB 2894-1996 Safety signs GB 2894-2008 Safety signs and guideline for the use GB 2894-2025 Safety colours and safety signs GB/T 3480.1-2019 Calculation of load capacity of spur and helical gears—Part 1:Basic principles,introduction and general influence factors GB/T 3480.2-2021 Calculation of load capacity of spur and helical gears—Part 2:Calculation of surface durability(pitting) GB/T 3480.3-2021 Calculation of load capacity of spur and helical gears—Part 3:Calculation of tooth bending strength GB/T 3480.5-2008 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 3480.5-2021 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 3811-2008 Design rules for cranes 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/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5972-1986 Wire rope for lifting appliances—Code of practice for examination and discard GB/T 5972-2006 Wire ropes for cranes—Code of practice for examination and discard GB/T 5972-2009 Cranes—Wire ropes—Care,maintenance,installation,examination and discard GB/T 5972-2016 Cranes—Wire ropes—Care and maintenance,inspection and discard GB/T 5972-2023 Cranes—Wire ropes—Care and maintenance,inspection and discard GB/T 7588.1-2020 Safety rules for the construction and installation of lifts—Part 1:Passenger and goods passenger lifts GB/T 7588.2-2020 Safety rules for the construction and installation of lifts—Part 2:Design rules,calculations,examinations and tests of lift components GB/T 8196-2003 Safety of machinery—Guards—General requirements for the design and construction of fixed and movable guards GB/T 8196-2018 Safety of machinery—Guards—General requirements for the design and construction of fixed and movable guards GB/T 12265-2021 Safety of machinery—Minimum gaps to avoid crushing of parts of the human body GB 12265.1-1997 Safety of machinery—Safety distances to prevent danger zones being reached by the uppar limbs GB 12265.2-2000 Safety of machinery safety distances to prevent danger zones being reached by the lower limbs GB/T 12265.3-1997 Safety of machinery—Minimum gaps to avoid crushing of parts of the human body GB/T 13752-2017 Design rules for tower cranes GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters GB/T 14048.4-2010 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector) GB/T 14048.4-2020 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector) GB/T 14048.5-2017 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices GB/T 14574-2000 Acoustics—Declaration and verification of noise emission values of machinery and equipment GB/T 15706-2012 Safety of machinery—General principles for design—Risk assessment and risk reduction GB 16754-1997 Safety of machinery—Emergency stop—Principles for design GB/T 16754-2008 Safety of machinery—Emergency stop—Principles for design GB/T 16754-2021 Safety of machinery—Emergency stop function—Principles for design GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections GB/T 18831-2002 Safety of machinery—Interlocking devices associated with guards—Principles for design and selection GB/T 18831-2010 Safety of machinery—Interlocking devices associated with guards—Principles for design and selection GB/T 18831-2017 Safety of machinery—Interlocking devices associated with guards—Principles for design and selection GB/T 19670-2005 Safety of machinery—Prevention of unexpected start-up GB/T 19670-2023 Safety of machinery—Prevention of unexpected start-up GB/T 20118-2006 Steel wire ropes for general purpose GB/T 20118-2017 Steel wire ropes for general purposes GB/T 20118-2025 General technical requirements for steel wire ropes GB/T 23821-2009 Safety of machinery—Safety distances to prevent hazard zones being reached by upper and lower limbs GB/T 25078.1-2010 Acoustics—Recommended practice for the design of low-noise machinery and equipment—Part 1:Planning ISO 9355-1