GB/T 46473-2025 Natural gas screw expander unit

GB/T 18430.1-2001 Water chilling (heat pump) packages using the vapor compression cycle Water chilling (heat pump) packages for industrial and commercial and similar application GB/T 18430.1-2007 Water chilling(heat pump) packages using the vapor compression cycle—Part 1:Water chilling(heat pump) packages for industrial & commercial and similar application GB/T 18430.1-2024 Water chilling(heatpump) packages using the vapor compression cycle—Part1:Water chilling(heatpump) packages for industrial & commercial and similar applications GB 19517-2004 National safety technical code for electric equipments GB 19517-2009 National safety technical code for electric equipments GB 19517-2023 National technical specification for the safety of electric equipments GB/T 20136-2006 General method of test for electric power plant with internal combustion engines GB/T 20136-2025 General method of test for electric power plant with internal combustion engines GB/T 20320-2006 Measurement and assessment of power quality characteristics of wind turbine generator system GB/T 20320-2013 Measurement and assessment of power quality characteristics of wind turbines generator systems GB/T 20320-2023 Wind energy generation systems—Electrical characteristics measurement and assessment of wind turbines GB/T 20322-2006 Petroleum and natural gas industries—Reciprocating compressors GB/T 20322-2023 Petroleum and natural gas industries—Reciprocating compressors GB/T 20368-2006 Production, storage and handling of liquefied natural gas (LNG) GB/T 20368-2012 Production,storage and handling of liquefied natural gas(LNG) GB/T 20368-2021 Production,storage and handling of liquefied natural gas(LNG) GB/T 20850-2007 Safety of machinery—Guidelines for the understanding and use of safety of machinery standards GB/T 20850-2014 Safety of machinery—Guidelines for the understanding and use of safety of machinery standards GB/T 20850-2025 Safety of machinery—Guidelines for the application of machinery safety standards GB/T 24925-2010 Cryogenic valve technical specifications GB/T 24925-2019 Low temperature valve—Technical specifications GB 25131-2010 Safety requirements for water chillers(heat pump)using the vapor compression cycle GB 25285.1-2010 Explosive atmospheres—Explosion prevention and protection—Part 1:Basic concepts and methodology GB/T 25285.1-2021 Explosive atmospheres—Explosion prevention and protection—Part 1:Basic concepts and methodology GB/T 25357-2010 Petroleum,petrochemical and natural gas industries—Process positive-displacement rotary-type compressors GB 26410-2011 Explosion-proof fan GB/T 28566-2012 Security specification and its evaluation for generating unit interconnection GB/T 30554-2014 Terminology of screw expander GB/T 30555-2014 Rules for screw expander(unit) thermal acceptance test GB/T 31464-2015 The grid operation code GB/T 31464-2022 The grid operation code GB/T 32238-2015 General steel castings suitable for low temperature and high pressure service GB/T 32354-2015 Technical specification of screw expander(unit) GB/T 33593-2017 Technical requirements for grid connection of distributed resources GB/T 35034-2018 Technical specification for safety monitoring devices of screw expander(unit) GB/T 37819-2019 Bi-circulation power generation unit for low-temperature waste heat recovery GB/T 38109-2019 Application guidance for safety accessories and instruments on pressure equipment GB/T 40286-2021 The performance testing method of bi-circulation unit for low-temperature waste heat recovery and utilization GB/T 44045-2024 Rotary pumps for petroleum,petrochemical and natural gas industries GB 50016-2014 Code for fire protection design of buildings GB 50028-2006 Code for design of city gas engineering GB 50057-2010 Code for design protection of structures against lightning GB 50058-2014 Code for design of electrical installations in explosive atmospheres GB 50150-2016 Electric equipment installation engineering - standard for hand-over test of electric equipment GB 50169-2016 Code for construction and acceptance of grounding connection electric equipment installation engineering GB 50183-2015 Petroleum and natural gas engineering design fire prevention specifications GB 50229-2019 Standard for design of fire protection for fossil fuel power plants and substations GB 50257-2014 Electrical installation engineering Explosion and fire hazardous environment electrical installation construction and acceptance specifications GB 50260-2013 Code for seismic design of electrical installations GB/T 50493-2019 Specification for design of combustible gas and toxic gas detection and alarm for petrochemical industry GB 50556-2010 Code for aseismic design of electrical facilities in industrial plants AQ 3009 DL/T 1768-2017 DL/T 1768-2017 Procedural Specification for Preventive Test of Rotating Motors HG/T 20613 NB/T 10090-2018 The measurement of spatial noise emitted by a screw expander and driven mechanical device NB/T 11385-2023 Screw Expansion Machine Pressure-bearing Component Hydraulic Test Technical Specification NB/T 11386-2023 Screw Expansion Machine, Rotor Dynamic Balancing NB/T 11387-2023 Measurement and evaluation of vibration for screw expansion machine NB/T 42027-2013 Screw Expansion Compressor and Pressurized Cast Steel Part Technical Specification NB/T 42036-2014 NB/T 42036-2014 Shaft Expansion Machine Metal Material Specification for Rotor of Screw Expansion Machine NB/T 42068-2016 Screw Expansion Machine Main Unit, Rotor Ultrasonic Probing NB/T 42069-2016 Screw Expansion Machine Packaging, Transportation, and Storage Technical Specification NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing SH/T 3038-2017 Specification for electric power design in petrochemical plants SH/T 3097-2017 Specification for design of static electricity earthing in petrochemical industry SH/T 3164-2012 Specification for design of instrument system lightning surge protection in petrochemical industry TSG 21-2016 Supervision Regulation on Safety Technology for Stationary Pressure Vessel