Download or read book GB T 37842 2019 Translated English of Chinese Standard GBT 37842 2019 GB T37842 2019 GBT37842 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-04-04 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the terms, definitions and symbols, materials, design, requirements, test methods, inspection rules, signs, packaging, transportation and storage of ball valves of thermoplastics materials.