GB/T 29466-2023 Plate heat exchanger unit

GB/T 29466-2012 Plate heat exchanger unit

GB 7251.4-1998 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2006 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2017 Low-voltage switchgear and controlgear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 9129-2003 Specifications of Non-metallic flat gaskets for pipe flanges GB/T 12243-2005 Spring loaded safety valves GB/T 12243-2021 Spring loaded safety valves GB/T 12459-1990 Steel butt-welding seamless pipe fittings GB/T 12459-2005 Steel butt-welding seamless pipe fittings GB/T 12459-2017 Steel buttwelding pipe fittings—Types and parameter GB/T 12459-2025 Steel buttwelding piping fittings—Types and parameters GB/T 12668.2-2002 Adjustable speed electrical power drive systems—Part 2:General requirements—Rating specifications for low voltage adjustable frequency a.c power drive systems GB/T 12668.2-2025 Adjustable speed electrical power drive systems—Part 2:General requirements—Rating specifications for adjustable speed AC power drive systems GB/T 12706.1-2002 Power cables with extruded insulation and their accessories for rated voltages from 1kV(Um=1.2kV)up to 35kV(Um=40.5kV)—Part 1:Cables for rated voltages of 1kV(Um=1.2kV) and 3kV(Um=3.6kV) GB/T 12706.1-2008 Power cables with extruded insulation and their accessories for rated voltages from 1 kV(Um=1.2 kV)up to 35 kV(Um=40.5 kV)—Part 1:Cables for rated voltage of 1 kV(Um=1.2 kV)and 3 kV(Um=3.6 kV) GB/T 12706.1-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 1:Cables for rated voltage of 1 kV(Um=1.2 kV)and 3 kV(Um=3.6 kV) GB/T 12706.2-2002 Power cables with extruded insulation and their accessories for rated voltages from 1kV(Um=1.2kV) up to 35kV(Um=40.5kV)—Part 2:Cables for rated voltages from 6kV(Um=7.2kV)up to 30kV(Um=36kV) GB/T 12706.2-2008 Power cables with extruded insulation and their accessories for rated voltages from 1 kV(Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 2:Cables for rated voltages from 6 kV(Um=7.2 kV) up to 30 kV(Um=36 kV) GB/T 12706.2-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 2:Cables for rated voltages from 6 kV(Um=7.2 kV) up to 30 kV(Um=36 kV) GB/T 12706.3-2002 Power cables with extruded insulation and their accessories for rated voltages from 1kV(Um=1.2kV)up to 35kV(Um=40.5kV)—Part 3:Cables for rated voltage of 35kV(Um=40.5kV) GB/T 12706.3-2008 Power cables with extruded insulation and their accessories for rated voltages from 1 kV(Um=1.2 kV)up to 35 kV(Um=40.5 kV)—Part 3:Cables for rated voltage of 35 kV(Um=40.5 kV) GB/T 12706.3-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV(Um=1.2 kV)up to 35 kV(Um=40.5 kV)—Part 3:Cables for rated voltages of 35 kV(Um=40.5 kV) GB/T 12712-1991 The requirements for supervision of recovery of condensate from steam heating system and technique of automatic steam traps GB/T 12712-2023 Technical management requirements for condensate recovery and automatic steam traps of steam heating system GB 13296-1991 Seamless stainless steel tubes for boiler and heat exchanger GB 13296-2007 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2013 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2023 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB 14050-1993 Types and safety technical requirements of system earthing GB 14050-2008 Types and safety technical requirements of system earthing GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/T 15479-1995 Technical requirements and test methods of insulation resistance and insulating strength for use in industrial process measurement and control instruments GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB/T 28575-2012 Specification for YE3 Series(IP55)super-high efficiency three-phase induction motor(Frame size 80～355) GB/T 28575-2020 Specification for YE3 series(IP55) three-phase induction motors(Frame size 63~355) GB/T 26921-2011 The guide of design optimization for motor systems(fans,pumps,air compressors) GB/T 29531-2013 Methods of measuring and evaluating vibration of pumps GB/T 29871-2013 General data interface technology protocol of energy metering instrument GB/T 32224-2015 Heat meters GB/T 32224-2020 Heat meters GB/T 36478.4-2019 Internet of things—Information sharing and exchanging—Part 4:Data interface GB/T 39583-2020 Requirement of intelligent technology for energy-saving retrofit of existing building GB/T 39959-2021 Liquid pumps and pump units—Noise test code—Grades 2 and 3 of accuracy GB 50015-2019 Standard for design of building water supply and drainage GB 50040-2020 Code for design of dynamic machine foundation GB 50054-2011 Code for design of low voltage electrical installations GB 50174-2017 Code for design of data centers GB 50236-2011 Code for construction and acceptance of field equipment, industrial pipe welding engineering GB 50264-2013 Code for design of industrial equipment and pipeline insulation engineering CJJ 28-2014 Code for construction and acceptance of city heating pipelines CJJ/T 34-2022 Design standard for urban heating network HG/T 3651-1999 Unalloyed titanium and titanium alloy butt-welding seamless pipe fittings NB/T 47004.1-2017 Plate Heat Exchanger Part 1: Removable Plate Heat Exchanger NB/T 47004.1-2025 Panel-type heat exchanger Part 1: Removable-type panel-type heat exchanger NB/T 47045-2015 Brazed plate heat exchanger NB/T 47045-2024 NB/T 47045-2024 Brazed plate heat exchanger NB/T 47008-2017 Carbon steel and alloy steel forgings used in pressure equipment NB/T 47008-2010 Carbon and alloy steel forgings for pressure equipments NB/T 47009-2017 Low-temperature pressure-bearing equipment alloy steel for forging NB/T 47009-2010 Low-alloy steel forgings for low temperature pressure equipments NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments NB/T 47018.1-2017 Welding Material for Pressure Equipment Ordering Technical Specification Part 1: Purchase General Rules NB/T 47018.1-2011 Technical permission of welding materials for pressure equipment Section 1:General rule NB/T 47018.2-2017 The technical requirements for ordering welding materials for pressure equipment Part 2: Steel welding rods NB/T 47018.2-2011 Technical permission of welding materials for pressure equipment Section 2:Electrodes for steel NB/T 47018.3-2017 Specifications for Welding Materials for Pressure Equipment - Part 3: Gas-protected Electric Arc Welding Wire and Filler Wire NB/T 47018.3-2011 Technical permission of welding materials for pressure equipment Section 3:Steel electrodes and rods for gas shielded arc welding NB/T 47018.4-2017 Specification for Welding Materials for Pressure Equipment Part 4: Filler Steel Welding Wire and Welding Solder for Submerged-Arc Welding NB/T 47018.4-2011 Technical permission of welding materials for pressure equipment Section 4:Electrodes and fluxes for submerged arc welding NB/T 47018.5-2017 "Specifications for welding materials used in pressure equipment - Part 5: Stainless steel welding strips and welding fluxes for overlay welding" NB/T 47018.5-2011 Technical permission of welding materials for pressure equipment Section 5:Stainless steel strip electrodes and fluxes for overlay welding NB/T 47018.6-2011 Technical permission of welding materials for pressure equipment Section 6:Bare aluminum and aluminum-alloy welding electrodes and rods NB/T 47018.7-2011 Technical permission of welding materials for pressure equipment Section 7:Titanium and titanium-alloy welding electrodes and rods