Standards

CJ 274-2008 City gas pressure regulators

Publish Date: 2008-02-29

CJ/T 275-2008 City gas pressure regulating station

This standard specifies the terms and definitions, model numbering, structural requirements, technical requirements, test methods, inspection and acceptance, quality certificates, marking, packaging, transportation, and storage of gas pressure regulators used in urban gas transmission and distribution systems (hereinafter referred to as "pressure regulators").
This standard applies to pressure regulators with an import pressure not exceeding 1.6 MPa and an operating temperature not exceeding -20°C to 60°C.
This standard does not apply to underground pressure regulators.

Publish Date: 2008-02-29

CJ/T 50-2008 Pressure regulators for liquefied petroleum gas cylinders

This standard specifies the classification and model numbering, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of bottled liquefied petroleum gas regulators (hereinafter referred to as regulators). This standard applies to household bottled liquefied petroleum gas regulators (hereinafter referred to as household regulators) with an inlet pressure of 0.03 MPa to 1.56 MPa, an outlet pressure of 2.80 kPa ± 0.50 kPa, a rated flow rate of less than or equal to 2 m3/h, and an operating temperature of -20°C to 45°C; as well as non-household bottled liquefied petroleum gas regulators (hereinafter referred to as non-household regulators) with an inlet pressure of 0.03 MPa to 1.56 MPa, an outlet pressure of 2.80 kPa ± 0.50 kPa or 5.00 kPa ± 0.90 kPa, a rated flow rate of less than or equal to 3.6 m3/h, and an operating temperature of -20°C to 45°C. All pressure values mentioned in this standard refer to gauge pressure unless otherwise specified.

Publish Date: 2008-02-29

CJ/T 213-2005 Urban municipal supervision and management information system—Rules for basic management grid division and coding

This standard specifies the terms and definitions of unit grid division and coding in urban municipal comprehensive supervision information systems, the principles of unit grid division, the rules of unit grid coding, and the requirements for unit grid data, etc.
This standard applies to the unit grid division and coding for urban municipal comprehensive supervision within built-up areas of cities. Other management applications in cities can refer to this standard for implementation.

Publish Date: 2005-06-07

CJ/T 215-2005 Urban municipal supervision and management information system—Geocoding

This standard specifies the terminology and definitions, basic requirements, and geographic coding rules for geographic coding in urban municipal comprehensive supervision information systems.
This standard applies to the geographic coding of management components and events in urban municipal comprehensive supervision information systems within built-up urban areas, which involves accurately locating management components and events using standardized location description languages. Other urban management applications can refer to this standard for implementation.

Publish Date: 2005-06-07

CJ/T 207-2005 Technical reguirements of barrier-free low floor and low entry city bus

This standard specifies the terms and definitions, requirements, and test methods for barrier-free low-floor and low-entry city buses.
This standard applies to Class M3 vehicles with a length of more than 8 m, including barrier-free low-floor and low-entry single-deck, double-deck, and articulated city buses of Grade A, Grade I, and Grade II.

Publish Date: 2005-05-16

CJ/T 161-2002 Cement mortar inner lining for centrifugal ductile iron pipes and fittings

Publish Date: 2002-06-04

CJ/T 162-2002 Technical requirements and equipments of classification grade for city bus

Publish Date: 2002-06-03

CJ/T 165-2002 Spirally enwound structure-wall pipes of high density polyethylene(HDPE)

Publish Date: 2002-06-03

CJ/T 159-2002 Aluminum-plastic composite pressure tube (butt welding)

Publish Date: 2002-06-03

CJ/T 166-2002 IC Card Application Technology for Construction Industry

Publish Date: 2002-06-03