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GB/T 12148-1989 Analysis of water used in boiler and cooling system-The determination of total silicon-Photometric method by conversion with hydrofluoric acid for low-silicon 45.0 via email in 1~3 business day abolished
NB/T 47006-2009(JB/T 4757) Aluminum plate-fin heat exchanger 380.0 via email in 1 business day valid
GB/T 10184-1988 Performance test code for utility boiler 640.0 via email in 1 business day superseded
GB/T 21435-2008 Phase change heater 330.0 via email in 1~3 business day valid
GB/T 16508.5-2013 Shell Boilers - Part 5: Safety Appurtenances and Instruments 140.0 via email in 1 business day valid
GB/T 14427-1993 Analysis of water used in boiler and cooling system. Determination of iron 75.0 via email in 1~3 business day abolished
JB/T 10523-2005 Circular corrugated heat exchange tubes for tube shell exchangers 135.0 via email in 1~3 business day valid
GB/T 16507.7-2013 Water-tube Boilers - Part 7: Safety Appurtenances and Instruments 160.0 via email in 1 business day valid
GB/T 9082.2-2011 Heat pipes with wick inside 210.0 via email in 1~3 business day valid
DB31/T 628-2012 The energy efficiency testing and evaluation method of industrial heat exchanger in service via email in business day valid
NB/T 47006-2009(JB/T4757) Aluminum plate-fin heat exchanger 380.0 via email in 1 business day valid
GB/T 10658-1989 Analytical methods for boiler water and colling water-Determination of iron in prefilming liquid containing phosphorus and zinc-Sulphosalicylic acid spectrophotometry 15.0 via email in 1~3 business day abolished
GB/T 16507.4-2013 Water-tube boilers—Part 4:Strength calculation of pressure parts 250.0 via email in 1 business day valid
GB/T 14420-1993 Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate 45.0 via email in 1~3 business day abolished
GB/T 12154-1989 Analysis of water used in boiler and cooling system-Determination of total aluminum 45.0 via email in 1~3 business day abolished
GB/T 16507-1996 Rules for Construction of Stationary Boilers 1000.0 via email in 1 business day superseded
GB/T 16508.7-2013 Shell Boilers - Part 7: Installation 160.0 via email in 1~2 business day valid
GB/T 16507.5-2013 Water-tube Boilers - Part 5: Fabrication 280.0 via email in 1 business day valid
GB/T 16508.8-2013 Shell Boilers - Part 8: Operation 140.0 via email in 1 business day valid
GB/T 14813-2008 Life testing method for heat pipes 100.0 via email in 1 business day valid
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