Standards

CJ/T 257-2007 Replaced

CJ/T 257-2007 Aluminium alloy and stainless steel sluice gate

This standard specifies the terms and definitions, classification, requirements, inspection and test methods, inspection rules, marking, packaging, transportation, and storage of aluminum alloy and stainless steel flat (plate) gates (hereinafter referred to as gates).
This standard applies to water supply, drainage, and water conservancy, hydropower, and other projects, where the medium is water, the temperature is less than or equal to 65℃, the nominal pressure is less than 0.1 MPa, and the orifice area is less than or equal to 9 m2 for gates.

Publish Date: 2007-06-05

CJ/T 254-2007 Replaced

CJ/T 254-2007 Additive pipe pressure water supply devices

This standard specifies the definition, classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of pressure-surge water supply equipment (hereinafter referred to as "equipment") for pipe networks.
This standard applies to pressure-surge water supply equipment for pipe networks in domestic water supply, production water supply, and fire-fighting water supply systems.

Publish Date: 2007-06-01

CJ/T 243-2007 Replaced

CJ/T 243-2007 Test methods for construction cause IC card

This standard specifies the testing of integrated circuit (IC) card products for the construction industry, including contact IC cards, contactless IC cards, dual-interface IC cards, and IC card terminals, as well as the application testing of logical encryption card reader terminals, CPU card reader terminals, and consumer and service-type IC card terminals.
This standard is applicable to the testing of IC card products in application fields such as public transportation, taxis, rail transit (metro, light rail), ferries, gas, water supply, heating, digital communities, road and bridge toll collection, parking lots, and park attractions.

Publish Date: 2007-04-18

CJ/T 246-2007 Replaced

CJ/T 246-2007 Technical specification of preformed directly buried steam insulating pipeline accessories for municipal heat-supply

This standard specifies the terms and definitions, basic components, requirements, test methods, inspection rules, and markings for pipeline accessories of prefabricated direct-buried steam insulation pipes for urban heating (hereinafter referred to as pipeline accessories). It also covers their transportation and storage.
This standard applies to the manufacture and inspection of pipeline accessories used to transport steam with a temperature not exceeding 350℃ and a working pressure not exceeding 1.6 MPa. The manufacture and inspection of pipeline accessories used to transport hot water with a temperature not less than 150℃ and a working pressure not exceeding 2.5 MPa may be carried out in accordance with this standard.

Publish Date: 2007-04-09

CJ/T 244-2007 Replaced

CJ/T 244-2007 Water quality standards for swimming pools

This standard specifies the water quality standards for swimming pools and the requirements for water quality testing in swimming pools.
This standard applies to the water quality management and testing of indoor and outdoor swimming pools.
This standard does not apply to seawater, hot spring water swimming pools, and natural water swimming areas.

Publish Date: 2007-03-08

CJ/T 250-2007 Replaced

CJ/T 250-2007 High density polyethylene pipes and fittings for drainage inside buildings

This standard specifies the materials, product classification and specifications, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of pipes and fittings made from polyethylene resin as the main raw material, which are extruded into pipes and moulded or processed by secondary processing (for sewage and wastewater discharge).
This standard applies to gravity sewage and wastewater discharge systems and siphon-type roof rainwater drainage systems in buildings.
Under non-pressure conditions, the temperature range of fluids in high-density polyethylene pipes specified by this standard is 0°C to 65°C, and the instantaneous drainage temperature should not exceed 95°C; the environmental temperature range of high-density polyethylene pipes is -40°C to 65°C.

Publish Date: 2007-03-08

CJ/T 252-2007 Replaced

CJ/T 252-2007 Technical requirement of automatic monitor system for city drainage

This standard specifies the composition and functions of the automatic monitoring system for urban drainage, the configuration of on-site monitoring stations and online monitoring instruments, the technical requirements of equipment, the technical requirements for operation and management, and the quality assurance of monitoring data.
This standard is applicable to the automated online monitoring of urban drainage facilities and wastewater treatment plants.

Publish Date: 2007-01-29

CJ/T 133-2007 Replaced

CJ/T 133-2007 Integrated circuit card water meter

This standard specifies the terms and definitions, general requirements, metrological characteristics, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of IC card cold water meters (hereinafter referred to as IC card water meters).
This standard applies to IC card water meters with a nominal diameter of less than or equal to 40 mm. IC card water meters shall comply with the provisions of this standard and the relevant provisions of GB/T 778.1-1996 and GB/T 778.3-1996.
TM card cold water meters shall be implemented in accordance with this standard.

Publish Date: 2007-01-17

CJ/T 159-2006 Replaced

CJ/T 159-2006 Polyethylene/Aluminum/ Polyethylene composite pressure pipe(butt-welded by aluminum pipe)

This standard specifies the definition, classification, and marking of aluminum-plastic composite pressure pipes (referred to as aluminum-plastic pipes or aluminum-plastic composite pipes) made of butt-welded aluminum pipes reinforced with an embedded metal layer and compounded with internal and external layers of polyethylene plastic by hot melt adhesive. It also covers their materials, requirements, test methods, inspection rules, marking, packaging, transportation, and storage.
This standard applies to aluminum-plastic pipes used for transporting fluids under maximum allowable working pressure (including industrial and civil hot and cold water, heating systems, underground irrigation systems, compressed air, gas, etc.).

Publish Date: 2006-11-29

CJ/T 233-2006 Replaced

CJ/T 233-2006 Plastics inspection chambers for sewerage in building area

This standard specifies the structure, materials, classification and marking of manholes (hereinafter referred to as manholes) made from plastic resins (PVC, PE, PP, etc.) as the main raw materials through processing and molding, as well as their requirements, test methods, inspection rules, marking, packaging, transportation, and storage.
This standard applies to plastic manholes installed on drainage pipes with an outer diameter of not more than 800 mm and a burial depth of not more than 6 m within residential areas, public building areas, factory areas, and other construction sites.

Publish Date: 2006-07-25

CJ/T 235-2006 Replaced

CJ/T 235-2006 Vertical long shaft pump

This standard specifies the types and parameter ranges, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of vertical long-shaft pumps (hereinafter referred to as pumps).
This standard applies to pumps used for transporting clean water, other liquids with physical properties similar to clean water, seawater, and liquids containing a small amount of solid particles. The temperature of the transported liquids shall not exceed 80°C.

Publish Date: 2006-07-25

CJ/T 166-2006 Replaced

CJ/T 166-2006 Integrated circuit card application technology of construction cause

This standard specifies the technical requirements for IC cards used in the construction industry, the technical requirements for consumer and service-type IC card terminals, the technical requirements for meter-type IC card terminals, key systems and security technical requirements, security mechanisms and security requirements, application system requirements, application system acceptance requirements, and corresponding definitions, symbols, etc.
This standard is applicable to organizations that use IC cards and products issued or accepted by the construction industry. Its target users are mainly departments (units) involved in the design, manufacture, management, issuance, and application of IC cards and terminals related to the application of IC cards in the construction industry, as well as the development, integration, maintenance, and supervision of application systems.

Publish Date: 2006-06-26