Standards

CJ/T 394-2018 Abolished

CJ/T 394-2018 Electro-magnetic emergency shut-off valve for gas

This standard specifies the terms and definitions, classification and models, materials and structures, requirements, test methods, inspection rules, marking and user manuals, packaging, transportation, and storage of electromagnetic gas emergency shut-off valves (hereinafter referred to as shut-off valves).
This standard applies to electromagnetic gas emergency shut-off valves with a maximum working pressure not exceeding 0.4 MPa, a nominal size not exceeding DN 300, and an operating temperature range of -20 °C to 60 °C. These valves are designed to be interconnected with urban gas safety control systems and are driven by electromagnetic force.

Publish Date: 2018-03-08

CJ/T 523-2018 Active

CJ/T 523-2018 Peripheral drive sludge scraper for radial flow sedimentation tank in water & sewage treatment plant

This standard specifies the terms and definitions, types, models, and basic parameters of peripheral drive sludge scrapers (hereinafter referred to as "sludge scrapers") for water treatment, general requirements, testing methods, inspection rules, marking, packaging, transportation, and storage.
This standard applies to the manufacture and inspection of sludge scrapers in water treatment projects.

Publish Date: 2018-03-08

CJ/T 524-2018 Active

CJ/T 524-2018 Gas odorant concentration monitor

This standard specifies the terms and definitions, classification and models, requirements, test methods, inspection rules, marking and instructions, packaging, transportation, and storage of odorant concentration monitors (hereinafter referred to as "monitors").
This standard applies to urban gas odorant concentration monitoring, where the minimum operating temperature range is -10 ℃ to 40 ℃, and the gas extraction pressure is not greater than 0.1 MPa. It provides odorant concentration monitoring data in pipelines for equipment such as odorant devices and station control systems.

Publish Date: 2018-03-08

CJ/T 525-2018 Active

CJ/T 525-2018 Leak detector of water distribution system

This standard specifies the terms and definitions of leak detection listening devices for water supply networks, general requirements, testing methods, inspection rules, marking, packaging, transportation, and storage.
This standard applies to the manufacture and inspection of leak detection listening devices for pressure pipes that transport water as the medium.

Publish Date: 2018-03-08

CJJ/T 276-2018 Active

CJJ/T 276-2018 Technical standard for preflexed composite beam bridges

本标准适用于预弯预应力组合梁桥的设计、施工及验收

Publish Date: 2018-02-14

CJJ/T 277-2018 Active

CJJ/T 277-2018 Standard for design of automated guided transit

本标准适用于中低运量、最高运行速度不超过100km/h的城市自动导向轨道交通新建工程的没计

Publish Date: 2018-02-14

CJ/T 115-2017 Active

CJ/T 115-2017 Safety signs in zoo

This standard specifies the types and colors of safety signs in zoos, as well as the production, installation, inspection, and maintenance of safety signboards.

Publish Date: 2017-12-27

CJ/T 220-2017 Active

CJ/T 220-2017 Indication sign for zoo animal

This standard specifies the animal graphic symbols (hereinafter referred to as graphic symbols) in the sightseeing guidance signs of zoos. This standard is applicable to zoos, and other wildlife breeding sites may refer to and implement it accordingly.

Publish Date: 2017-12-27

CJJ/T 85-2017 Active

CJJ/T 85-2017 Standard for classification of urban green space

本标准适用于绿地的规划、设计、建设、管理和统计等工作

Publish Date: 2017-11-28

CJJ/T 278-2017 Active

CJJ/T 278-2017 Technical standard for remote monitoring system of urban rail transit engineering project

本标准适用于城市轨道交通工程远程监控系统的设计、安装、调试、验收、运行及维护

Publish Date: 2017-11-28

CJ/T 235-2017 Active

CJ/T 235-2017 Vertical long shaft pump

This standard specifies the terms and definitions, types and parameters, 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 and fire pumps used for transporting media with a temperature not exceeding 80 °C, including clean water, seawater, and other liquids with physical properties similar to clean water or containing a small amount of solid particles.

Publish Date: 2017-11-27

CJ/T 270-2017 Active

CJ/T 270-2017 Steel reinforced spirally wound polyethylene(PE) drainage pipes and connecting piece

This standard specifies the terms and definitions, symbols, codes, materials, product structures, classifications, and connection methods of polyethylene plastic-steel wrapped drainage pipes and fittings, as well as requirements, test methods, inspection rules, markings, transportation, and storage. This standard applies to drainage pipes and fittings used for long-term conveying of media with temperatures below 45°C in non-pressurized urban drainage, industrial drainage, and agricultural drainage systems.

Publish Date: 2017-11-27