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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 "NB" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • NB/T 20007.21-2012
  • Stainless steel for pressurized water reactor nuclear power plants. Part 21: Martensitic stainless steel plates for use in making steam generator tube support plates NB
    China Energy industry Standards
  • NB/T 20177-2012
  • Design criteria for component cooling water system of pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20008.17-2012
  • Other material for pressurized water reactor nuclear power plants. Part 17: Class 2 and 3 unalloyed and alloy ductile iron castings NB
    China Energy industry Standards
  • NB/T 20157-2012
  • Quality assurance requirements for construction of nuclear power project NB
    China Energy industry Standards
  • NB/T 20144-2012
  • Initial criticality tests for pressurized water reactor of nuclear power plants NB
    China Energy industry Standards
  • NB/T 20006.13-2012
  • Alloy steel for pressurized water reactor nuclear power plants. Part 13: Alloy steel forgings for reactor coolant pump motor shaft assembles NB
    China Energy industry Standards
  • NB/T 20151-2012
  • Guideline for preparing ageing management programme of pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20160-2012
  • The technical specification for watertight stainless steel liner of PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20159-2012
  • The construction technical specification for liner of reactor building of PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20149-2012
  • Qualification procedure for pressure transmitter important to safety of nuclear power plants NB
    China Energy industry Standards
  • NB/T 20006.8-2012
  • Alloy steel for pressurized water reactor nuclear power plants. Part 8: Mn-Ni-Mo steel forgings for steam generator upper heads NB
    China Energy industry Standards
  • NB/T 20158-2012
  • Specification for volute concrete construct of circulating water pump of pressurized water reactors nuclear power plants NB
    China Energy industry Standards
  • NB/T 20150-2012
  • Characteristics and test methods of self-powered neutron detectors for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20007.13-2012
  • Stainless steel for pressurized water reactor nuclear power plants. Part 13: Forged tubes and elbows made from controlled nitrogen austenitic stainless steel for reactor coolant piping NB
    China Energy industry Standards
  • NB/T 20156-2012
  • Requirement for compilation and optimization for preventive maintenance program at nuclear power plants NB
    China Energy industry Standards
  • NB/T 20152-2012
  • Ageing management guideline of piping in nuclear power plants NB
    China Energy industry Standards
  • NB/T 20147-2012
  • Criteria for physical protection systems for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20148-2012
  • Resistance temperature detectors important to safety in nuclear power plants NB
    China Energy industry Standards
  • NB/T 20190-2012
  • Noise control for production buildings of nuclear power plants NB
    China Energy industry Standards
  • NB/T 20179-2012
  • Design criteria for compressed air system of nuclear power plant NB
    China Energy industry Standards
  • NB/T 20183-2012
  • Compilation guideline for nuclear power plant reliability assurance program NB
    China Energy industry Standards
  • NB/T 20184-2012
  • General specification on transport vessel for fresh fuel assembly of PWR nuclear power plants NB
    China Energy industry Standards
  • NB/T 20185-2012
  • Design criterion of radiation zoning inside of the PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20186-2012
  • Calculation of doses to public from routine releases of reactor radioactive effluents NB
    China Energy industry Standards
  • NB/T 20187-2012
  • Design criteria for reactor coolant system in pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20181-2012
  • Technical specification of radiation environmental impact assessment for airborne radioactive effluents of nuclear power plant on operational states NB
    China Energy industry Standards
  • NB/T 20189-2012
  • Interface design criteria concerning nuclear steam supply system and turbine building of pressuried water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20155-2012
  • Aging management on class 1E equipment used in nuclear power plants NB
    China Energy industry Standards
  • NB/T 20192-2012
  • General requirements for pilot operated safety valves of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20193-2012
  • Design code for steam/water piping of conventional island of nuclear power plant NB
    China Energy industry Standards
  • NB/T 25009-2012
  • Energy statistics procedure in pressurized water nuclear power plants NB
    China Energy industry Standards
  • NB/T 20194-2012
  • Design criterion of radiation shield in the PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20195-2012
  • Reactor thermal power measurement procedure for reactor core in pressurized water nuclear power plant NB
    China Energy industry Standards
  • NB/T 20039.3-2012
  • Code on nuclear air and gas treatment Ventilation, air conditioning and air cleaning. Part 3: Ductwork NB
    China Energy industry Standards
  • NB/T 20188-2012
  • Design criteria for essential service water system for pressuried water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20172-2012
  • Technical rules for nuclear engineering surveying datum network establishment NB
    China Energy industry Standards
  • NB/T 20164-2012
  • Qualification procedure for auxiliary feed water motor-driven pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20165-2012
  • Qualification procedure for residual heat removal pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20166-2012
  • Qualification procedure for charging pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20167-2012
  • Qualification procedure for isolation valve of pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20168-2012
  • Qualification procedure for check valve of pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20169-2012
  • Qualification procedure for auxiliary feed water turbine-driven pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20182-2012
  • Techincal specification of radiation environmental impact assessment for gaseous releases of nuclear power plant on accident conditions NB
    China Energy industry Standards
  • NB/T 20171-2012
  • Qualification procedure for safety class 3 pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20163-2012
  • Qualification procedure for containment spray pump and low head safety injection pump of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20173-2012
  • Requirements for construction and test of polar crane at PWR reactor building NB
    China Energy industry Standards
  • NB/T 20175-2012
  • Requirements for installation and acceptance of fuel handling and storage system at PWR plant NB
    China Energy industry Standards
  • NB/T 20176-2012
  • Design requirement for hydrogen supply, nitrogen supply, oxygen supply, carbon dioxide supply system of PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20178-2012
  • Design criteria of nuclear sampling system of pressurized water reactor nuclear power plant NB
    China Energy industry Standards
  • NB/T 20143.1-2012
  • Code on nuclear air and gas treatment Process gas treatment. Part 1: Hydrogen recombiner NB
    China Energy industry Standards
  • NB/T 20180-2012
  • Design criteria for compressed air supplying system of nuclear island in nuclear power plant NB
    China Energy industry Standards
  • NB/T 20170-2012
  • Qualification procedure of safety class diesel-generator units for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20007.4-2012
  • Stainless steel for pressurized water reactor nuclear power plants. Part 4: Niobium stabilized austenitic stainless steel forgings for the shafts of reactor coolant pumps NB
    China Energy industry Standards
  • NB/T 20008.16-2012
  • Other material for pressurized water reactor nuclear power plants. Part 16: Cabolt-base alloy for control rod drive mechanism NB
    China Energy industry Standards
  • NB/T 20006.7-2012
  • Alloy steel for pressurized water reactor nuclear power plants. Part 7: Mn-Ni-Mo steel forgings for steam generators shells NB
    China Energy industry Standards
  • NB/T 20145-2012
  • Compiling criteria of commissioning test procedure and report for nuclear power plants NB
    China Energy industry Standards
  • SB/T 10781-2012
  • Animal feed cleNButerol rapid screening method GICA NB
    China Commerce Standards
  • SB/T 10779-2012
  • CleNButerol in animal muscle fast screening method GICA NB
    China Commerce Standards
  • SB/T 10780-2012
  • CleNButerol in animal urine rapid screening method GICA NB
    China Commerce Standards
  • NB/T 31026-2012
  • Electric design code for windpower projects NB
    China Energy industry Standards
  • NB/T 34009-2012
  • General specification for biomass cooking and radiant heating stoves NB
    China Energy industry Standards
  • NB/T 34007-2012
  • General specification for biomass cooking and heating stoves NB
    China Energy industry Standards
  • NB/T 31025-2012
  • Ring type forgings of wind turbine generator system NB
    China Energy industry Standards
  • NB/T 34008-2012
  • Test method for biomass cooking and heating stoves NB
    China Energy industry Standards
  • NB/T 34011-2012
  • Specifications for sewage treatment device of biomass gasification system NB
    China Energy industry Standards
  • NB/T 31024-2012
  • Hydraulic disc brake for yawing of wind turbine generator systems NB
    China Energy industry Standards
  • NB/Z 42001.1-2012
  • The norm of energy consumption per unit product of thermal power equipment manufacturing enterprises Part 1: Utility boiler NB
    China Energy industry Standards
  • NB/T 31023-2012
  • Hydraulic caliper disc brake for speed-shaft of wind turbine generator systems NB
    China Energy industry Standards
  • NB/T 34010-2012
  • Test method for biomass cooking and radiant beating stoves NB
    China Energy industry Standards
  • NB/T 32002-2012
  • Solar lawn light NB
    China Energy industry Standards
  • NB/T 32003-2012
  • Self-regulating heating cables for solar heat application NB
    China Energy industry Standards
  • NB/T 31028-2012
  • Code for preparation of safety pre-assessment report of wind power projects NB
    China Energy industry Standards
  • NB/T 32001-2012
  • Technical specification for environmental impact assessment of photovoltaic power station NB
    China Energy industry Standards
  • NB/T 31027-2012
  • Code for preparation of safety assessment report upon completion of wind power projects NB
    China Energy industry Standards
  • SN/T 3149-2012
  • Determination of fentin and feNButatin oxide residues and food for export. Gas chromatography-mass spectrometry method NB
    China Import Export Inspection Standards
  • NB/T 31021-2012
  • Specification for scientific and technological records filing and arrangement of wind farm NB
    China Energy industry Standards
  • NB/T 31022-2012
  • Code for acceptance of wind power engineering reaching the standard putting into production NB
    China Energy industry Standards
  • NB/T 51002-2012
  • Solid filling mechanized mining methods NB
    China Energy industry Standards
  • NB/T 20005.13-2012
  • Carbon steel and low alloy steel for pressurized water reactor nuclear power plants. Part 13: Seamless drawn carbon steel tubes for class 2 and 3 heat exchangers NB
    China Energy industry Standards
  • NB/T 20005.8-2012
  • Carbon steel and low alloy steel for PWR nuclear power plant. Part 8: Steel plates, beams and bars for class Si and S2 supports NB
    China Energy industry Standards
  • NB/T 20118-2012
  • Regulation for fire protection for nuclear power plants construction NB
    China Energy industry Standards
  • NB/T 20127-2012
  • Technical requirements for embedment parts manufacture and installation of PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20142-2012
  • Guide for chemical decontamination of primary loop system and components of PWR nuclear power plants NB
    China Energy industry Standards
  • NB/T 20005.2-2012
  • Carbon steel and low alloy steel for pressurized water reactor nuclear power plant. Part 2: Forgings for class 2, 3 heat exchanger tube plates NB
    China Energy industry Standards
  • NB/T 20077-2012
  • Criteria for the handling and initial evaluation of records from nuclear power plants seismic instrumentation NB
    China Energy industry Standards
  • NB/T 20115-2012
  • Technical regulation for construction and acceptance of reactor pressure vessel head installation in PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20093-2012
  • Qualification of safety-related valve actuators for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20005.4-2012
  • Carbon steel and low alloy steel for pressurized water reactor nuclear power plants. Part 4: The forged or rolled parts for use in steam generator main steam systems, feedwater flow control systems, auxiliary feedwater systems and turbine bypass systems NB
    China Energy industry Standards
  • NB/T 20109-2012
  • Technical specification of neutron flux guide tube installation in reactor building for PWR nuclear power plant NB
    China Energy industry Standards
  • NB/T 20105-2012
  • Load code for the design of nuclear power plants building structures NB
    China Energy industry Standards
  • NB/T 20063-2012
  • Glossary of terms of instrumentation and control for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20061-2012
  • Practice for application of human factors engineering to systems, equipment, and facilities of nuclear power plant NB
    China Energy industry Standards
  • NB/T 20132-2012
  • Design requirements of personnel airlock for containment in pressurized water reactor nuclear power plants NB
    China Energy industry Standards
  • NB/T 20073-2012
  • Criterion for instrumentation and control equipment grounding in nuclear power plants NB
    China Energy industry Standards
  • NB/T 20075-2012
  • Protection provided by electrical equipment against external impact for nuclear power plants NB
    China Energy industry Standards
  • NB/T 20005.16-2012
  • Carbon steel and low alloy steel for pressurized water reactor nuclear power plants. Part 16: Elbow for main steam system NB
    China Energy industry Standards
  • NB/T 20005.11-2012
  • Carbon steel and low alloy steel for pressurizd water reactor nuclear power plant. Part 11: Seamless pipes for class Si and S2 supports NB
    China Energy industry Standards
  • NB/T 20039.13-2012
  • Code on nuclear air and gas treatment. Ventilation, air conditioning and air cleaning. Part 13: Iodine adsorbers (type Ⅲ) NB
    China Energy industry Standards
  • NB/T 20009.7-2012
  • Welding material for pressurized water reactor nuclear power plants. Part 7: Stainless steel wires and filler rods for class 1, 2, 3 components NB
    China Energy industry Standards
  • NB/T 20005.3-2012
  • Carbon steel and low alloy steel for pressurized water reactor nuclear power plants. Part 3: Forgings for class 2, 3 auxiliary pump shafts NB
    China Energy industry Standards

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