DZ/T 0101.12-1994
Active
CJ/T 160-2002
Replaced
Industry standards-Urban construction
CJ/T 160-2002 Backflow preventers
CJ/T 160-2002 Backflow preventers
Basic Information
Standard Code:
CJ/T 160-2002
Standard Type:
Industry standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2002-06-04
Implement Date:
2002-10-01
Pages:
12 pages
Scope
This standard specifies the definition, requirements, and test methods for backflow preventers.
This standard applies to backflow preventers used in pipelines with a nominal pressure of 0.4 MPa to 2.5 MPa and a temperature not exceeding 80°C, transporting clean water or substances with physical and chemical properties similar to clean water, with a nominal diameter of 10 mm to 400 mm.
Development Information
Superseded by the following standards
Referenced Standards
GB/T 1047-1995 Nominal size for pipe components
GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size)
GB/T 1047-2019 Pipework components—Definition and selection of nominal size
GB/T 1048-1990 Nominal pressure for pipe components
GB/T 1048-2005 Pipework components—Definition and selection of PN
GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure
GB 9969.1-1998 General principles for preparation of instructions for use of industrial products
GB/T 12225-1989 General purpose industrial valves—Specification of copper alloy castings
GB/T 12225-2005 General purpose industrial valves—Specification of copper alloy castings
GB/T 12225-2018 General purpose industrial valves—Specification of copper alloy castings
GB/T 12226-1989 General purpose industrial valves—Specification of flake graphite iron castings
GB/T 12226-2005 General purpose industrial valves—Specification of flake graphite iron castings
GB/T 12227-1989 General purpose industrial valves—Specification of spheroidal graphite iron castings
GB/T 12227-2005 General purpose industrial valves—Specification of spheroidal graphite iron castings
GB/T 12233-1989 General purpose industrial valves—Casting iron globe valves and lift check valves
GB/T 12233-2006 General purpose industrial valves—Casting iron globe valves and lift check valves
GB/T 13927-1992 Pressure testing for general purpose valves
GB/T 13927-2008 Industrial valves—Pressure testing
GB/T 13927-2022 Industrial valves—Pressure testing
GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 17241.7-1998 Specifications for cast iron pipe flanges
JB/T 308-2004 Valves model designation method
GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system
GB/T 12226-2025 General purpose industrial valves—Technical specification for gray iron castings
GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings
GB/T 12233-2025 General purpose industrial valves—Casting iron globe valves and lift check valves
Related Standards
JJG 204-1980
Active
JJG 204-1980 Meteorological Ventilation Psychrometer
SC 53-1980
Active
SC 53-1980 Transfer blade hydraulic steering gear repair quality standard
DZ 4-1981
Replaced
DZ 4-1981
SC 69-1982
Active
SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications
SC 72-1982
Active