2025-5-25 18.97.14.82
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
CECS 121-2001 Specification of maintain technique for city heating pipelines 720.0 via email in 1~3 business day abolished2016-12-30,,2001-4-1
CECS 443-2016 Technical specification for external thermal insulation composite systems based on cellular glass board 640.0 via email in 1~5 business day valid,,2016-10-1
CJ/T 179-2018 Self-operated flow control valve 200.0 via email in 1 business day valid,,2019-5-1
CJ/T 246-2007 Technical specification of preformed directly buried steam insulating pipeline accessories for municipal heat-supply 150.0 via email in 1~3 business day superseded,2019-4-1,2007-11-1
CJ/T 246-2018 Preformed directly buried steam insulating pipes and fittings for urban heating 310.0 via email in 1 business day valid,,2019-4-1
CJ/T 25-2018 Hand flow adjusting valves for heating 284.0 via email in 1 business day valid,,2019-5-1
CJ/T 501-2016 Isolated gas-pressurization device 220.0 via email in 1 business day valid,,2017-3-1
CJ/T 515-2018 Flue gas condensing type heat exchanger units for gas-fired boilers 370.0 via email in 1~5 business day valid,,2018-12-1
CJJ 105-2005 Code for structural design of heating pipelines in city and town 900.0 via email in 1~3 business day valid,,2005-12-1
CJJ 200-2014 Technical regulation for city heat-supplying pipe net constructed by mining method 3885.0 via email in 1 business day valid,,2015-4-1
CJJ 28-1989 Code for construction and acceptance of municipal heat-supply pipeline network engineering 1784.0 via email in 1~5 business day abolished2005-02-01 ,2005-2-1,1989-10-1
CJJ 38-1990 Standard for quality test and estimation of urban heat-supply network engineerings 1024.0 via email in 1~5 business day abolished2005-02-01 ,2005-2-1,1991-8-1
CJJ/T 88-2000 Technical specification for safe operation of heating system in city 420.0 via email in 1~3 business day superseded,2014-10-1,2000-6-1
DB14/T 2974-2024 via email in business day valid,,2024-4-15
DB14/T 2975-2024 via email in business day valid,,2024-4-15
DB22/T 5021-2019 Technical standard for polyethylene of raised temperature resistance (PE-RT II) pipeline for heating engineering via email in business day valid,,2019-6-24
DB22/T 5044-2020 Technical standard for heat pump system engineering via email in business day valid,,2020-7-29
DB22/T 5064-2021 Evaluation standard of operation management fordistrict heating enterprises via email in business day superseded,2024-12-2,2021-10-13
DB22/T 5170-2024 Technical standard for the monitoring ofheat pump system via email in business day valid,,2024-12-2
DB37/T 3798-2019 Code for city gas industry service via email in business day valid,,2020-1-24
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CECS 121-2001 Specification of maintain technique for city heating pipelines 
  Issued on: 2001-2-20   Price(USD): 720.0
CECS 443-2016 Technical specification for external thermal insulation composite systems based on cellular glass board 
  Issued on: 2016-06-24   Price(USD): 640.0
CJ/T 179-2018 Self-operated flow control valve 
  Issued on: 2018-11-16   Price(USD): 200.0
CJ/T 246-2007 Technical specification of preformed directly buried steam insulating pipeline accessories for municipal heat-supply 
  Issued on: 2007-4-9   Price(USD): 150.0
CJ/T 246-2018 Preformed directly buried steam insulating pipes and fittings for urban heating 
  Issued on: 2018-08-24   Price(USD): 310.0
CJ/T 25-2018 Hand flow adjusting valves for heating 
  Issued on: 2018-11-16   Price(USD): 284.0
CJ/T 501-2016 Isolated gas-pressurization device 
  Issued on: 2016-09-06   Price(USD): 220.0
CJ/T 515-2018 Flue gas condensing type heat exchanger units for gas-fired boilers 
  Issued on: 2018-05-30   Price(USD): 370.0
CJJ 105-2005 Code for structural design of heating pipelines in city and town 
  Issued on: 2005-9-16   Price(USD): 900.0
CJJ 200-2014 Technical regulation for city heat-supplying pipe net constructed by mining method 
  Issued on: 2014-07-31   Price(USD): 3885.0
CJJ 28-1989 Code for construction and acceptance of municipal heat-supply pipeline network engineering 
  Issued on: 1989-03-27   Price(USD): 1784.0
CJJ 38-1990 Standard for quality test and estimation of urban heat-supply network engineerings 
  Issued on: 1991-01-04   Price(USD): 1024.0
CJJ/T 88-2000 Technical specification for safe operation of heating system in city 
  Issued on: 2000-2-22   Price(USD): 420.0
DB14/T 2974-2024  
  Issued on: 2024-01-17   Price(USD):
DB14/T 2975-2024  
  Issued on: 2024-01-17   Price(USD):
DB22/T 5021-2019 Technical standard for polyethylene of raised temperature resistance (PE-RT II) pipeline for heating engineering 
  Issued on: 2019-06-24   Price(USD):
DB22/T 5044-2020 Technical standard for heat pump system engineering 
  Issued on: 2020-07-29   Price(USD):
DB22/T 5064-2021 Evaluation standard of operation management fordistrict heating enterprises 
  Issued on: 2021-10-13   Price(USD):
DB22/T 5170-2024 Technical standard for the monitoring ofheat pump system 
  Issued on: 2024-12-02   Price(USD):
DB37/T 3798-2019 Code for city gas industry service 
  Issued on: 2019-12-24   Price(USD):
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