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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "connections" GB Standards List:
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    GB/Z 43078-2023 Hydraulic Transmission connections Installation Instructions for Stud-End Adjustable Pipe Couplings
    液压传动连接 螺柱端可调管接头的安装指导
    China National Standards
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    GB/Z 43075-2023 Hydraulic transmission connections Identification and nomenclature
    液压传动连接 标识与命名
    China National Standards
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    GB/T 43192.1-2023 Road vehicles - Digital information exchange for electrical connections between tractors and trailers - Part 1: Physical layer and data link layer
    道路车辆 牵引车和挂车电气连接的数字信息交互 第1部分:物理层和数据链路层
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    GB/T 43077.4-2023 Hydraulic Transmission connections Plain Threaded Flat Ports and Stud Ends Part 4: Hexagonal Screw Plug
    液压传动连接 普通螺纹平油口和螺柱端 第4部分:六角螺塞
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    GB/T 14034.1-2023 Hydraulic transmission connections Metal pipe couplings Part 1: 24° taper
    液压传动连接 金属管接头 第1部分:24°锥形
    China National Standards
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    GB/T 7939.3-2023 Hydraulic power connections - Test methods - Part 3: Hose assemblies
    液压传动连接 试验方法 第3部分:软管总成
    China National Standards
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    GB/T 14034.4-2023 Hydraulic power connections - Metallic pipe fittings - Part 4: 60° cone
    液压传动连接 金属管接头 第4部分:60°锥形
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    GB/T 14034.2-2023 Hydraulic power connections - Metallic pipe fittings - Part 2: 37° flared
    液压传动连接 金属管接头 第2部分:37°扩口式
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    GB/T 12223-2023 connections for part-turn valve actuators
    部分回转阀门驱动装置的连接
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    GB/T 5900.4-2022 Machine tools - Dimensions of spindle end and chuck connections - Part 4: Cylindrical connections
    机床 主轴端部与卡盘连接尺寸 第4部分:圆柱连接
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    GB/T 41604-2022 Agricultural vehicles Steering systems for agricultural trailers Semi-trailer articulated steering connections
    农业车辆 农用挂车转向系统 半挂车铰接式转向装置连接
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    GB/T 41981.2-2022 connections for hydraulic transmissions - Pressure fittings - Part 2: Connectable under pressure
    液压传动连接 测压接头 第2部分:可带压连接式
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    GB/T 41981.1-2022 connections for hydraulic transmissions - Pressure fittings - Part 1: Non-pressurized connections
    液压传动连接 测压接头 第1部分:非带压连接式
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    GB/T 38329.2-2021 Utility connections in port - Part 2: High and low voltage shore connection systems - Data communication for monitoring and control
    港口船岸连接 第2部分:高压和低压岸电连接系统 监测和控制的数据传输
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    GB/T 40048-2021 Test methods for bolted connections in structural wood and wood-based materials
    木质结构材螺栓连接力学性能测试方法
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    GB/T 40565.2-2021 connections for hydraulic fluid power—Quick-action couplings—Part 2:Flush-face type at 20 MPa to 31.5 MPa
    液压传动连接 快换接头 第2部分:20 MPa~31.5 MPa平面型
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    GB/T 40565.3-2021 connections for hydraulic fluid power—Quick-action couplings—Part 3:Screw connection type for general purpose
    液压传动连接 快换接头 第3部分:螺纹连接通用型
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    GB/T 40565.4-2021 connections for hydraulic fluid power—Quick-action couplings—Part 4: Screw connection type at 72 MPa
    液压传动连接 快换接头 第4部分:72 MPa螺纹连接型
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    GB/T 9065.6-2020 connections for hydraulic fluid power—Hose fittings—Part 6: 60° cone ends
    液压传动连接 软管接头 第6部分:60°锥形
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    GB/T 9065.4-2020 connections for hydraulic fluid power—Hose fittings—Part 4: Stud ends
    液压传动连接 软管接头 第4部分:螺柱端
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    GB/T 9065.3-2020 connections for hydraulic fluid power—Hose fittings—Part 3: Flange ends
    液压传动连接 软管接头 第3部分:法兰式
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    GB/T 32538.3-2020 Agricultural vehicles—Mechanical connections on towed vehicles—Part 3: Swivel hitch rings
    农业车辆 被牵引车辆的机械连接装置 第3部分:旋转挂接环
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    GB/T 19408.6-2020 Agricultural vehicles—Mechanical connections between towed and towing vehicles—Part 6:Specifications for non-swivel clevis couplings
    农业车辆 挂车和牵引车的机械连接 第6部分:非摆动式U型钩的连接
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    GB/T 38329.1-2019 Utility connections in port—Part 1: High voltage shore connection (HVSC) system—General requirements
    港口船岸连接 第1部分: 高压岸电连接(HVSC)系统 一般要求
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    GB/T 38329.1-2019 Utility connections in port—Part 1: High voltage shore connection (HVSC) system—General requirements
    港口船岸连接 第1部分: 高压岸电连接(HVSC)系统 一般要求
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    GB/T 36258-2018 Grounds-service connections of aircraft potable water,toilet-flush water and toilet drain
    飞机饮用水、马桶用水及排水的地面接头
    China National Standards
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    GB/T 34635-2017 Flange connections
    法兰式管接头
    China National Standards
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    GB/T 22381-2017 Cable connections between gas-insulated metal-enclosed switchgear for rated voltages equal to and above 72.5kV and fluid-filled and extruded insulation power cables—Fluid-filled and dry type cable-terminations
    额定电压72.5kV及以上气体绝缘金属封闭开关设备与充流体及挤包绝缘电力电缆的连接 充流体及干式电缆终端
    China National Standards
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    GB/T 21267-2017 Petroleum and natural gas industries—Procedures for testing casing and tubing connections
    石油天然气工业 套管及油管螺纹连接试验程序
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    GB/T 2878.3-2017 connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 3: light-duty stud ends (L series)
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第3部分:轻型螺柱端(L系列)
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    GB/T 32861-2016 Road vehicles—Location of electrical and pneumatic connections between towing vehicles and trailers
    道路车辆 牵引车与挂车之间的电气和气动连接位置
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    GB/T 32538.2-2016 Agricultural vehicles—Mechanical connections on towed vehicles—Part 2: Coupling ring 40 with socket
    农业车辆 被牵引车辆的机械连接装置 第2部分:带座孔的40连接环
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    GB/T 32538.1-2016 Agricultural vehicles—Mechanical connections on towed vehicles—Part 1: Dimensions for hitch rings of 50/30 mm cross section
    农业车辆 被牵引车辆的机械连接装置 第1部分:50mm/30mm横截面的挂接环尺寸
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    GB/T 18290.5-2015 Solderless connections—Part 5: Press-in connections—General requirements, test methods and practical guidance
    无焊连接 第5部分:压入式连接 一般要求、试验方法和使用导则
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    GB/T 18290.4-2015 Solderless connections— Part 4: Solderless non-accessible insulation displacement connections— General requirements, test methods and practical guidance
    无焊连接 第4部分:不可接触无焊绝缘位移连接 一般要求、试验方法和使用导则
    China National Standards
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    GB/T 18290.2-2015 Solderless connections— Part 2:Crimped connections—General requirements,test methods and practical guidance
    无焊连接 第2部分:压接连接 一般要求、试验方法和使用导则
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    GB/T 5921-2015 Motor vehicles and towed vehicles—Air braking systems—Identification of connections on units
    汽车和挂车 气压制动系 部件上接口的识别标记
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    GB/T 31476-2015 Requirements for solders for high-quality interconnections in electronics assembly
    电子装联高质量内部互连用焊料
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    GB/T 31475-2015 Requirements for solder paste for high-quality interconnections in electronics assembly
    电子装联高质量内部互连用焊锡膏
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    GB/T 31474-2015 Soldering fluxes for high-quality interconnections in electronics assembly
    电子装联高质量内部互连用助焊剂
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    GB/T 2423.20-2014 Environmental testing—Part 2:Test methods—Test Kd: Hydrogen sulphide test for contacts and connections
    环境试验 第2部分:试验方法 试验Kd:接触点和连接件的硫化氢试验
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    GB/T 2424.12-2014 Environmental testing—Part 2: Test methods—Guidance to test Kd: Hydrogen sulphide test for contacts and connections
    环境试验 第2部分:试验方法 试验Kd:接触点和连接件的硫化氢试验导则
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    GB/T 30465-2013 Agricultural equipment-Mechanical connections between towed and towing vehicles - Implement hitch rings and attachment to tractor drawbars
    农业机械 牵引车辆和被牵引车辆间的机械连接 与拖拉机牵引装置联结的农具挂接环和连接装置
    China National Standards
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    GB/T 30212-2013 Aircraft―Pressure refuelling connections
    飞机 压力加油接头
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    GB/T 2423.19-2013 Environmental testing - Part 2: Test methods - Test Kc: Sulphur dioxide test for contacts and connections
    环境试验 第2部分:试验方法 试验Kc:接触点和连接件的二氧化硫试验
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    GB/T 2424.11-2013 Environmental testing - Part 2: Test methods - Guidance to test Kc: Sulphur dioxide test for contacts and connections
    环境试验 第2部分:试验方法 试验Kc:接触点和连接件的二氧化硫试验导则
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    GB/T 14197-2012 Preferred matching values for the interconnections of audio, video and audiovisual systems
    音频、视频和视听系统互连的优选配接值
    China National Standards
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    GB/T 2878.4-2011 connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 4: Hex plugs
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第4部分:六角螺塞
    China National Standards
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    GB/T 2878.2-2011 connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 2: heavy-duty stud ends (S series)
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第2部分:重型螺柱端(S系列)
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    GB/T 2878.1-2011 connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 1: Ports
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第1部分:油口
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    GB/T 26801-2011 Fluid flow in closed conduits - connections for pressure signal transmissions between primary and secondary elements
    封闭管道中流体流量的测量 一次装置和二次装置之间压力信号传送的连接法
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    GB/T 3098.8-2010 Mechanical properties of fasteners - Parts for bolted connections for use at temperatures from -200℃~+700℃
    紧固件机械性能 -200℃~+700℃使用的螺栓连接零件
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    GB/T 14034.1-2010 Metallic tube connections for fluid power and general use - Part 1: 24°cone connectors
    流体传动金属管连接 第1部分:24°锥形管接头
    China National Standards
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    GB/T 9065.5-2010 connections for hydraulic fluid power and general use - Hose fittings - Part 5: Hose fittings with 37°degree flared ends
    液压软管接头 第5部分:37°扩口端软管接头
    China National Standards
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    GB/T 9065.2-2010 connections for hydraulic fluid power and general use - Hose fittings - Part 2: Hose fittings with 24° cone connector ends
    液压软管接头 第2部分:24°锥密封端软管接头
    China National Standards
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    GB/T 19408.5-2009 Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 5: Dimensions of ball-type coupling device
    农业车辆 挂车和牵引车的机械连接 第5部分:球形连接
    China National Standards
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    GB/T 19408.4-2009 Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 4: Dimensions of piton-type coupling
    农业车辆 挂车和牵引车的机械连接 第4部分:楔形连接装置的尺寸
    China National Standards
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    GB/T 19408.3-2009 Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 3: Tractor drawbar
    农业车辆 挂车和牵引车的机械连接 第3部分:拖拉机牵引杆
    China National Standards
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    GB/T 19408.2-2009 Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 2: Specifications for clevis coupling 40
    农业车辆 挂车和牵引车的机械连接 第2部分:40号U型钩的连接
    China National Standards
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    GB/T 7726-2009 Mechanical connections of articulated bus
    铰接客车机械连接装置
    China National Standards
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    GB 4706.94-2008 Household and similar electrical appliances - Safety - Particular requirements for gas, oil and solid-fuel burning appliances having electrical connections
    家用和类似用途电器的安全 带有电气连接的使用燃气、燃油和固体燃料器具的特殊要求
    China National Standards
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    GB/T 8464-2008 Cast iron and copper valves with screwed connections
    铁制和铜制螺纹连接阀门
    China National Standards
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    GB/T 22512.2-2008 Petroleum and natural gas industries - Rotary drilling equiment - Part 2: Threading and gauging of rotary shouldered thread connections
    石油天然气工业 旋转钻井设备 第2部分:旋转台肩式螺纹连接的加工与测量
    China National Standards
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    GB/T 10826.4-2008 Fuel injection equipment - Vocabulary - Part 4: High-pressure pipes and end-connections
    燃油喷射装置 词汇 第4部分:高压油管和管端连接件
    China National Standards
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    GB/T 22381-2008 Cable connections for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above - Fluid-filled and extruded insulation power cables - Fluid-filled and dry type cable-terminations
    额定电压 72.5kV 及以上气体绝缘金属封闭开关设备与充流体及挤包绝缘电力电缆的连接 充流体及干式电缆终端
    China National Standards
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    GB/T 15127-2008 Information technology - Telecommunications and information exchange between systems - Twisted pair multipoint interconnections
    信息技术 系统间远程通信和信息交换 双扭线多点互连
    China National Standards
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    GB/T 5107-2008 Gas welding equipment - Hose connections for equipment for welding, cutting and allied processes
    气焊设备 焊接、切割和相关工艺设备用软管接头
    China National Standards
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    GB/T 13807.3-2008 connections with waisted stud - Nuts,extension sleeves
    腰状杆螺柱连接副 螺母、受力套管
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    GB/T 13807.2-2008 connections with waisted stud - Studs
    腰状杆螺柱连接副 螺柱
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    GB/T 13807.1-2008 connections with waisted stud - Tape classification
    腰状杆螺柱连接副 型式分类
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    GB/T 13133-2008 Information technology - Telecommunication and information exchange between systems - DTE to DTE direct connections
    信息技术 系统间远程通信和信息交换 DTE到DTE直接连接
    China National Standards
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    GB/T 14038-2008 Pneumatic fluid power - connections - Ports and stud ends
    气动连接 气口和螺柱端
    China National Standards
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    GB/T 22060-2008 Microscopes - Dimensions of tube slide and tube slot connections
    显微镜 镜筒滑块和镜筒槽的连接尺寸
    China National Standards
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    GB/T 21267-2007 Petroleum and natural gas industries - Procedures for testing casing and tubing connections
    石油天然气工业 套管及油管螺纹连接试验程序
    China National Standards
    connections

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    GB/T 21226-2007 Semiconductor convertors - Identification code for convertor connections
    半导体变流器 变流联结的标识代号
    China National Standards
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    GB/T 20338-2006 Agricultural vehicles - Mechanical connections on towed vehicles - Dimensions for hitch rings
    农业车辆 被牵引车辆的机械联接装置 挂接环尺寸
    China National Standards
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    GB/T 5023.6-2006 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 6: Lift cables and cables for flexible connections
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第6部分:电梯电缆和挠性连接用电缆
    China National Standards
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    GB/T 20063.3-2006 Graphical symbols for diagrams -Part 3: connections and related devices
    简图用图形符号 第3部分:连接件与有关装置
    China National Standards
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    GB/T 19674.3-2005 connections for general use and fluid power-Ports and stud ends with thread-Stud ends with metal-to-metal sealing(type B)
    液压管接头用螺纹油口和柱端 金属对金属密封柱端(B型)
    China National Standards
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    GB/T 19674.2-2005 connections for general use and fluid power Ports and stud ends with thread-Stud ends with elastomeric sealing(A type and type E)
    液压管接头用螺纹油口和柱端--填料密封柱端(A型和E型)
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    GB/T 19674.1-2005 connections for general use and fluid power Ports and stud ends with thread-Threaded port
    液压管接头用螺纹油口和柱端--螺纹油口
    China National Standards
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    GB/T 19497-2004 Agricultural vehicles--Mechanical hook-type connections on towing vehicles--Test methods and requirements
    农业车辆 牵引车上钩型机械连接装置 试验方法和要求
    China National Standards
    connections

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    GB/T 19408.1-2003 Agricultural vehicles--Mechanical connections between towed and towing vehicles--Part 1:Dimensions of hitch-hooks
    农业车辆 挂车和牵引车的机械连接 第1部分:牵引钩尺寸
    China National Standards
    connections

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    GB/T 18335-2001 Specification for flex-rigid multilayer printed boards with through connections
    有贯穿连接的刚挠多层印制板规范
    China National Standards
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    GB/T 18290.5-2000 Solderless connections--Part 5:Solderless press-in connections--General requirements,test methods and practical guidance
    无焊连接 第5部分:无焊压入式连接 一般要求、试验方法和使用导则
    China National Standards
    connections

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    GB/T 18290.4-2000 Solderless connections--Part 4:Solderless non-accessible insulation displacement connections--General requirements,test methods and practical guidance
    无焊连接 第4部分:不可接触无焊绝缘位移连接 一般要求、试验方法和使用导则
    China National Standards
    connections

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    GB/T 18290.3-2000 Solderless connections--Part 3:Solderless accessible insulation displacement connections--General requirements,test methods and practical guidance
    无焊连接 第3部分:可接触无焊绝缘位移连接 一般要求、试验方法和使用导则
    China National Standards
    connections

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    GB/T 18290.2-2000 Solderless connections--Part 2:Solderless crimped connections--General requirements, test methods and practical guidance
    无焊连接 第2部分:无焊压接连接 一般要求、试验方法和使用导则
    China National Standards
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    GB/T 17423-1998 Series 1 freight containers--Interface connections for tank containers
    系列1集装箱 罐式集装箱的接口
    China National Standards
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    GB/T 4588.10-1995 Printed boards--Part 10:Specification for flex-rigid double-sided printed boards with through connections
    印制板 第10部分:有贯穿连接的刚挠双面印制板规范
    China National Standards
    connections

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    GB/T 14516-1993 Specification for single and double sided flexible printed boards without through connections
    无贯穿连接的单、双面挠性印制板技术条件
    China National Standards
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    GB/T 14515-1993 Specification for single and double sided flexible printed boards with through connections
    有贯穿连接的单、双面挠性印制板技术条件
    China National Standards
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    GB/T 13881-1992 Pneumatic braking connections between motor vehicles and towed vehicles
    牵引车与挂车之间气制动管连接器
    China National Standards
    connections

    English PDF
    GB/T 12449-1990 Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
    以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口
    China National Standards
    connections

    English PDF
    GB/T 12281-1990 Requirements for the interconnections and matching of color television broadcast receivers and other equipment
    彩色电视广播接收机与其他设备互连配接要求
    China National Standards
    connections

    English PDF

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