GB/T 29466-2012 Plate heat exchanger unit

GB/T 29466-2023 Plate heat exchanger unit

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 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting 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 50015-2019 Standard for design of building water supply and drainage GB 50016-2014 Code for fire protection design of buildings 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 CJ 128-2007 Heat meters CJ 128-2000 CJ 128-2000 Thermometer for heat measurement CJJ/T 34-2022 Design standard for urban heating network HG/T 3651-1999 Unalloyed titanium and titanium alloy butt-welding seamless pipe fittings JB/T 4709 JB/T 4747-2002 Technical permission of steel welding rod purchasing for pressure vessels JB/T 8680.2 JB/T 53058 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 47004.2-2021 Plate Heat Exchanger Part 2: Welded Plate Heat Exchangers 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