Standards

CJ/T 212-2005 Water grate made of polymer matrix composites

This standard specifies the classification, load-bearing grade, technical requirements, test methods, inspection rules, and marking of polymer-based composite drainage grates.
This standard applies to polymer-based composite drainage grates installed in various parts of road surfaces, including roads, the sides and middle of highways, green spaces, and indoor floors of factories and workshops, etc.

Publish Date: 2005-05-16

CJ/T 94-2005 Water quality standards for fine drinking water

This standard specifies the water quality standards for drinking water.
This standard applies to piped direct drinking water that is supplied directly to users for drinking after being purified from tap water or source water that meets the water quality standards for domestic drinking water.

Publish Date: 2005-05-16

CJ 94-2005 CJ 94-2005 Drinking Water Quality Standards

Publish Date: 2005-05-16

CJ/T 158-2002 Colour standard for pipelines and equipments of municipal wastewater treatment plants

Publish Date: 2002-06-04

CJ/T 160-2002 Backflow preventers

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.

Publish Date: 2002-06-04

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

Publish Date: 2002-06-04

CJ 164-2002 Domestic water saving devices

Publish Date: 2002-06-03

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

Publish Date: 2002-06-03

CJ/T 163-2002 The storage type heat exchanger of guide flow type and half storage type heat exchanger(construction of U-pipe column)

This standard specifies the model marking, main structure, requirements, test methods, inspection rules, marking, painting, packaging, and transportation of diversion-type volumetric water heaters and semi-volumetric water heaters (hereinafter referred to as water heaters) using U-shaped tube bundles as heat exchange elements.
This standard applies to the design, manufacture, inspection, and testing of water heaters.

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 167-2002 Multi-function control valve for pumping system

Publish Date: 2002-06-03

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

Publish Date: 2002-06-03