This part of GB/T 18998 specifies the definitions, symbols and abbreviations used in industrial chlorinated polyvinyl chloride piping system standards, as well as the requirements for industrial chlorinated polyvinyl chloride piping system materials. This Part, together with GB/T 18998.2 and GB/T 18998.3, can be used in piping systems for conveying suitable industrial solids, liquids and gases under pressure, depending on the chemical resistance of the material. This part applies to petroleum, chemical industry, sewage treatment and water treatment, power electronics, metallurgy, mining, electroplating, papermaking, food and beverage, medicine and other industrial fields. Note: When used to transport flammable media, it should meet the relevant regulations on fire protection and explosion protection.
GB/T 18998.1-2003 history
2022GB/T 18998.1-2022 Chlorinated poly(vinyl chloride)(PVC-C)piping systems for industrial applications—Part 1:General
2003GB/T 18998.1-2003 Chlorinated poly(vinyl chloride)(PVC-C) piping systems for industrial applications Part 1: General