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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 "DL" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • DL 647-2004
  • Inspection code for boiler and pressure vessel in thermal power plant DL
    China Electricity & Power Standards
  • DL/T 435-2004
  • Code for the prevention of pulverized coal firing furnace explosions/implosions in power plant boilers DL
    China Electricity & Power Standards
  • DL/T 555-2004
  • Guide for withstand voltage and insulated test of gas-insulated metal-enclosure switchgear on site DL
    China Electricity & Power Standards
  • DL/T 845.4-2004
  • General specifications for measuring resistance equipments. Part 4: Loop resistance measurement testor DL
    China Electricity & Power Standards
  • DL/T 849.5-2004
  • General technical specification of test instruments used for power equipments. Part 5: Oscillating wave high voltage generator DL
    China Electricity & Power Standards
  • DL/T 852-2004
  • Guide for boiler start-up commissioning test DL
    China Electricity & Power Standards
  • DL/T 805.2-2004
  • Guideline for cycle chemistry in fossil plants. Part 2: Phosphate treatment for drum units DL
    China Electricity & Power Standards
  • DL/T 469-2004
  • Fans performance testing in situ for power boiler DL
    China Electricity & Power Standards
  • DL/T 847-2004
  • Guide for drafting the documentation of quality management systems for power supply company DL
    China Electricity & Power Standards
  • DL/T 846.8-2004
  • General technical specifications for high voltage test equipments. Part 8: Detector of on-load tap-changers DL
    China Electricity & Power Standards
  • DL/T 5192-2004
  • Design guide of construction general layout for hydropower and water conservancy project DL
    China Electricity & Power Standards
  • DL/T 5193-2004
  • Technical code of epoxy resin mortar DL
    China Electricity & Power Standards
  • DL/T 5189-2004
  • Technical code for designing power line carry communication DL
    China Electricity & Power Standards
  • DL/T 5083-2004
  • Specification of prestressing tendon construction for hydropower and water conservancy project DL
    China Electricity & Power Standards
  • DL/T 468-2004
  • Guide on type selection and application for power boiler fans DL
    China Electricity & Power Standards
  • DL/T 519-2004
  • Acceptance criterion for ion exchange resins used in water treatment in fossil-fired power plants DL
    China Electricity & Power Standards
  • DL/T 467-2004
  • Performance test for pulverizers and pulverizing systems of power station DL
    China Electricity & Power Standards
  • DL/T 848.5-2004
  • General technical specification of high voltage test devices. Part 5: Impulse voltage generator DL
    China Electricity & Power Standards
  • DL/T 848.4-2004
  • General technical specification of high voltage test devices. Part 4: Triple-frequency test transformer DL
    China Electricity & Power Standards
  • DL/T 790.432-2004
  • Distribution automation using distribution line carrier systems Part 4-32: Data communication protocols. Data link layer. Logical link control(LLC) DL
    China Electricity & Power Standards
  • DL/T 845.1-2004
  • General specifications for measuring resistance equipments. Part 1: Electronic insulation resistance meters DL
    China Electricity & Power Standards
  • DL/T 790.441-2004
  • Distribution automation using distribution line carrier systems Part 4: Data communication protocols. Section 41: Application protocols. Distribution line message specification DL
    China Electricity & Power Standards
  • DL/T 5195-2004
  • Specification for design of hydraulic tunnel DL
    China Electricity & Power Standards
  • DL/T 846.1-2004
  • General technical specifications for high voltage test equipments. Part 1: High voltage divider measuring system DL
    China Electricity & Power Standards
  • DL/T 461-2004
  • Guide for operation and the maintenance of electrostatic precipitators for coal-fired power plants DL
    China Electricity & Power Standards
  • DL/T 414-2004
  • Norm for environmental monitoring of thermal power plants DL
    China Electricity & Power Standards
  • DL/T 634.56-2004
  • Telecontrol equipment and systems Part 5-6: Test procedures for IEC 60870-5 protocols series DL
    China Electricity & Power Standards
  • DL/T 5191-2004
  • Code of construction acceptance on wind power plant project DL
    China Electricity & Power Standards
  • DL/T 849.6-2004
  • General technical specification of test instruments used for power equipments. Part 6: High voltage resonant test system DL
    China Electricity & Power Standards
  • DL/T 845.3-2004
  • General specifications for measuring resistance equipments. Part 3: DC resistance meters DL
    China Electricity & Power Standards
  • DL/T 849.2-2004
  • General technical specification of test instruments used for power equipments. Part 2: Fault locator for power cable DL
    China Electricity & Power Standards
  • DL/T 848.1-2004
  • General technical specification of high voltage test devices. Part 1: High voltage DC generator DL
    China Electricity & Power Standards
  • DL/T 849.3-2004
  • General technical specification of test instruments used for power equipments. Part 3: Route test instrument for power cable DL
    China Electricity & Power Standards
  • DL/T 846.9-2004
  • General technical specifications for high voltage test equipments. Part 9: Vacuum interrupter detector DL
    China Electricity & Power Standards
  • DL/T 848.2-2004
  • General technical specification of high voltage test devices. Part 2: Power frequency high voltage test device DL
    China Electricity & Power Standards
  • DL/T 846.4-2004
  • General technical specifications for high voltage test equipments. Part 4: Partial discharge detector DL
    China Electricity & Power Standards
  • DL/T 846.6-2004
  • General technical specifications for high voltage test equipments. Part 6: SF6 gas leak detector DL
    China Electricity & Power Standards
  • DL/T 466-2004
  • Guide for type selection for pulverizers and pulverizing systems of power station DL
    China Electricity & Power Standards
  • DL/T 851-2004
  • Acceptance tests for combined-cycle power plants DL
    China Electricity & Power Standards
  • DL/T 5188-2004
  • Design code of vibration isolation of auxiliary machine foundation in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/T 5187.1-2004
  • Technical coal for designing coal hanDLing of fossil fuel power plant Part 1: Coal handling system DL
    China Electricity & Power Standards
  • DL/T 846.5-2004
  • General technical specifications for high voltage test equipments. Part 5: Analyzer for trace moisture in SF6 gas DL
    China Electricity & Power Standards
  • DL/T 849.4-2004
  • General technical specification of test instruments used for power equipments. Part 4: Very low frequency high voltage generator DL
    China Electricity & Power Standards
  • DL/T 848.3-2004
  • General technical specification of high voltage test devices. Part 3: Non partial discharge testing transformer DL
    China Electricity & Power Standards
  • DL/T 846.2-2004
  • General technical specifications for high voltage test equipments. Part 2: Impulse voltage measuring system DL
    China Electricity & Power Standards
  • DL/T 846.7-2004
  • General technical specifications for high voltage test equipments. Part 7: Dielectric strength detector of insulating oils DL
    China Electricity & Power Standards
  • DL/T 849.1-2004
  • General technical specification of test instruments used for power equipments. Part 1: Fault flashover test instrument for power cable DL
    China Electricity & Power Standards
  • DL/T 5004-2004
  • Design standard of IC laboratory for fossil power plant DL
    China Electricity & Power Standards
  • DL/T 850-2004
  • Pipie fabrication for power stations DL
    China Electricity & Power Standards
  • DL/T 5194-2004
  • Code of water quality analysis for hydropower and water resources engineering geological investigation DL
    China Electricity & Power Standards
  • DL/T 846.3-2004
  • General technical specifications for high voltage test equipments. Part 3: High voltage switch integrate detector DL
    China Electricity & Power Standards
  • DL/T 845.2-2004
  • General specifications for measuring resistance equipments. Part 2: Power frequency earth resistance testers DL
    China Electricity & Power Standards
  • DL/T 911-2004
  • Frequency response analysis on winding deformation of power transformers DL
    China Electricity & Power Standards
  • DL/T 909-2004
  • Code of performance test for positive pneumatic ash conveying systems DL
    China Electricity & Power Standards
  • DL/T 627-2004
  • Room temperature vulcanized silicon rubber anti-pollution coating for insulators DL
    China Electricity & Power Standards
  • DL/T 902-2004
  • Technical requirements and test methods of abrasion resistant refractory material DL
    China Electricity & Power Standards
  • DL/T 5202-2004
  • Technical code for designing of electric energy metering system DL
    China Electricity & Power Standards
  • DL/T 907-2004
  • Guide for infrared inspection of thermal power equipments DL
    China Electricity & Power Standards
  • DL/T 908-2004
  • Analysis of water and steam used in power plant. Determination of sodium Second derivative flame emission spectrum method DL
    China Electricity & Power Standards
  • DL/T 901-2004
  • Acid-resting materials of chimney lining for fossil fuel power plant DL
    China Electricity & Power Standards
  • DL 5009.2-2004
  • Code of safety operation in power engineering construction. Part 2: power transmission line DL
    China Electricity & Power Standards
  • DL/T 904-2004
  • Calculating method of economical and technical index for thermal power plant DL
    China Electricity & Power Standards
  • DL/T 899-2004
  • Loading Tests on Tower and Pole Structures of Overhead Line DL
    China Electricity & Power Standards
  • DL/T 514-2004
  • Electrostatic precipitator DL
    China Electricity & Power Standards
  • DL/T 910-2004
  • Dewatering bins DL
    China Electricity & Power Standards
  • DL/T 906-2004
  • Discharge and feeding valve of blow tank DL
    China Electricity & Power Standards
  • DL/T 903-2004
  • Technical guide for surfacing parts of coal pulverizer DL
    China Electricity & Power Standards
  • DL/T 905-2004
  • Technical guide for repair welding of turbine blades DL
    China Electricity & Power Standards
  • DL/T 890.301-2004
  • Energy management system application program interface (EMS-API). Part 1: Common information model (CIM) base DL
    China Electricity & Power Standards
  • FZ/T 93063-2004
  • Fancy twisting machine with hollow spinDLes DL
    China Textile & Garment industry Standards
  • YY 0498.1-2004
  • Laryngoscopic fittings. Part 1: Conventional hook-on type hanDLe-blade fittings DL
    China Medicine & Medical Device Standards
  • YY/T 1031-2004
  • NeeDLe holders DL
    China Medicine & Medical Device Standards
  • YY/T 0095-2004
  • Calcium tungstate midDLe speed intensifying screens for medical use DL
    China Medicine & Medical Device Standards
  • DL/T 887-2004
  • Power frequency ground resistance measurement for poles and towers DL
    China Electricity & Power Standards
  • DL/T 563-2004
  • Code of electro-hydraulic regulating system and unit for hydraulic turbines DL
    China Electricity & Power Standards
  • DL/T 5018-2004
  • Specification for manufacture installation and acceptance of steel gate in hydraulic and hydroelectric engineering [Quasi-Official / Academic version - scanned PDF, translated by Standard Committee / Research Institute in China] DL
    China Electricity & Power Standards
  • DL/T 5187.2-2004
  • Technical code for designing coal hanDLing of fossil fuel power plant Part 2: Dust prevention and control DL
    China Electricity & Power Standards
  • DL/T 891-2004
  • Thermal product quality of combine steam-power generation plant DL
    China Electricity & Power Standards
  • DL/T 888-2004
  • Electric power system dispatching exchange specification of DTMF signalling DL
    China Electricity & Power Standards
  • DL/T 892-2004
  • Specification of steam turbine for power plant DL
    China Electricity & Power Standards
  • DL/T 805.4-2004
  • Guideline for cycle chemistry in fossil plants. Part 4: Feed water treatment DL
    China Electricity & Power Standards
  • DL/T 860.73-2004
  • Communication networks and systems in substations Part 7-3: Basic communication structure for substation and feeder equipment Common data classes DL
    China Electricity & Power Standards
  • DL/T 860.72-2004
  • Communication networks and systems in substations Part 7-2: Basic communication structure for substation and feeder equipment Abstract communication service interfaces DL
    China Electricity & Power Standards
  • DL/T 805.3-2004
  • Guideline for cycle chemistry in fossil plants Part 3: Caustic treatment for drum units DL
    China Electricity & Power Standards
  • DL/T 5196-2004
  • Technical code for designing flue gas desulfurization plants of fossil fuel power plants DL
    China Electricity & Power Standards
  • DL/T 894-2004
  • Guide of commissioning for ash and slag hanDLing system in power plant DL
    China Electricity & Power Standards
  • DL/T 5001-2004
  • Technical code for engineering survey of fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/Z 886-2004
  • Specification of protection for 750kV power system DL
    China Electricity & Power Standards
  • DL/T 889-2004
  • Guide of chemistry supervision of thermal equipments for power station capital construction DL
    China Electricity & Power Standards
  • DL/T 897-2004
  • Basic parameters of QPPY Ⅰ, Ⅱ hydraulic hoist for hydraulic plane gate DL
    China Electricity & Power Standards
  • DL/T 582-2004
  • Guide for operation of activated carbon for water treatment in thermal power plant DL
    China Electricity & Power Standards
  • DL/T 896-2004
  • Basic parameters of QPKY hydraulic hoist for quick-closing hydraulic plane gate DL
    China Electricity & Power Standards
  • DL/T 898-2004
  • Serial parameters of QP cable hoist DL
    China Electricity & Power Standards
  • DL/T 5198-2004
  • Code for the construction of crane girders anchored to rock face for hydropower and water resources projects DL
    China Electricity & Power Standards
  • DL/T 5197-2004
  • Rule of computer network management for enterprise of electric power survey and design DL
    China Electricity & Power Standards
  • DL/T 5199-2004
  • Specification of concrete cut-off wall used for hydropower and water conservancy project DL
    China Electricity & Power Standards
  • DL/Z 790.55-2004
  • Distribution automation using distribution line carrier systems. Part 5-5: Lower layer profilers Spread spectrum-fast frequency hopping (SS-FFH) profile DL
    China Electricity & Power Standards
  • DL/T 5200-2004
  • Technical specification of jet grouting for hydropower and water resources projects DL
    China Electricity & Power Standards
  • DL/T 893-2004
  • Steam turbine terminology of power plant DL
    China Electricity & Power Standards
  • DL/T 521-2004
  • Guide for acceptance, usage and maintenance of vacuum oil purifier DL
    China Electricity & Power Standards

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