GB/T 778.2-2018
Active
National standards
GB/T 778.2-2018 Meters for cold potable water and hot water—Part 2:Test methods
GB/T 778.2-2018 Meters for cold potable water and hot water—Part 2:Test methods
Basic Information
Standard Code:
GB/T 778.2-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Flow and level measurement instruments
ICS Name:
The water supply system
Publish Date:
2018-06-07
Implement Date:
2019-01-01
Pages:
88 pages
Scope
This part of GB/T 778 specifies the test requirements for complete water meters and water meter measurement sensors (including flow or volume detection elements) and calculators (including indicating devices) as independent units.
This part is applicable to the type evaluation tests and initial verification tests of drinking cold water meters and hot water meters defined in GB/T 778.1.
This part provides detailed test procedures, test principles, test equipment, and test methods for water meter type evaluation tests and initial verification tests.
If required by national regulations, this part is also applicable to auxiliary devices.
Development Information
Same series standard
GB/T 778.1-2018 Meters for cold potable water and hot water—Part 1:Metrological requirements and technical requirements
GB/T 778.3-2018 Meters for cold potable water and hot water—Part 3:Test report format
GB/T 778.4-2018 Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1
GB/T 778.5-2018 Meters for cold potable water and hot water—Part 5:Installation requirements
Replace the following standards
Adopt standards
ISO 4064-2:2014
Related Standards
CJ/T 260-2007
Abolished
CJ/T 232-2006
Active
CJ/T 232-2006 Light gauge stainless steel pipes and insert—Pressfittings
CJ/T 235-2006
Replaced
CJ/T 235-2006 Vertical long shaft pump
CJ/T 159-2006
Replaced
CJ/T 159-2006 Polyethylene/Aluminum/ Polyethylene composite pressure pipe(butt-welded by aluminum pipe)
CJ/T 237-2006
Active
CJ/T 237-2006 Double fusion fitting for Plastic/Steel/Plastic composite pressure pipe
CJ/T 238-2006
Active