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GB/T 25279-2022 English PDF

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Q: Should I purchase the latest version GB/T 25279-2022?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25279-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25279-2022: Hollow fiber flat-plat membrane module
Status: Valid

GB/T 25279: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25279-2022	279	Add to Cart	3 days	Hollow fiber flat-plat membrane module	Valid
GB/T 25279-2010	399	Add to Cart	3 days	Hollow fiber flat-plat membrane module	Obsolete

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Basic data

Standard ID: GB/T 25279-2022 (GB/T25279-2022)
Description (Translated English): Hollow fiber flat-plat membrane module
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J77
Word Count Estimation: 14,137
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25279-2022: Hollow fiber flat-plat membrane module

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Hollow fiber flat-plat membrane module ICS 07.100.20 CCSJ77 National Standards of People's Republic of China Replacing GB/T 25279-2010 Hollow fiber curtain membrane module 2022-10-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 25279-2010 "Hollow Fiber Curtain Membrane Modules". Compared with GB/T 25279-2010, except for structural adjustment In addition to editorial changes, the main technical changes are as follows. ---Added the terms "hollow fiber membrane", "membrane module integrity", "turbidity", "internal pressure test", "silt density index", "self-supporting membrane", "increase "Strongly Supported Membrane" (see Chapter 3), the expression of the term "hollow fiber curtain membrane module" and "water yield" has been changed (see Chapter 3,.2010 Chapter 3 of the year edition); --- Changed the expression of "model composition" (see 4.2, 4.2.1 of the.2010 edition); --- Changed the expression of "appearance" (see 5.1, 5.1 of the.2010 edition); --- Added "Material" requirements (see 5.2); --- Change "outline dimensions" to "membrane module outline" and "dimension deviation" (see 5.3, 5.2 of the.2010 edition); --- Changed the requirements for water flux (see 5.5, 5.4 of the.2010 edition); --- Added the requirement of "water production index" (see 5.6); --- Changed the description of the appearance test method (see 6.1, 6.1 of the.2010 edition); --- Changed the description of the external dimension test method (see 6.2, 6.2 of the.2010 edition); --- Changed the description of the integrity test steps (see 6.3.2, 6.3.2 of the.2010 edition); --- Changed the content of water flux "test steps" (see 6.4.2, 6.4.2 of the.2010 edition); --- Added "test device" and "test procedure" for "water production index" (see 6.5); --- Added "inspection classification" (see 7.1); --- Changed the factory inspection items and methods (see 7.2.1, 7.1.1 of the.2010 edition); --- Changed the type inspection items and methods (see 7.3.2, 7.2.2 of the.2010 edition). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Standardization Technical Committee of Separation Membrane (SAC/TC382). This document was drafted by. Tianjin Motian Film Technology Co., Ltd., Shandong Zhaojin Film Co., Ltd., Shenzhen Ultrapure Environmental Protection Co., Ltd. Co., Ltd., Hohai University, Jiangsu Kemi Membrane Technology Co., Ltd., Shandong Jinhui Membrane Technology Co., Ltd., Foshan Shunde District Quality Quantitative Technical Supervision Standards and Coding Institute, Osecco Membrane Technology (Tianjin) Co., Ltd., Beijing Zhihui Qingyuan Technology Co., Ltd., Guangzhou Advanced Technology Co., Ltd. Research Institute, Jiangsu Jiuwu High-Tech Co., Ltd., Tongji University, Harbin Institute of Technology Water Resources National Engineering Research Center Co., Ltd., Hainan Lisheng Water Purification Technology Industrial Co., Ltd., Zhejiang Changxing Qiushi Membrane Technology Co., Ltd., Hubei Jufu Membrane Technology Co., Ltd., Jiangxi AGCO Dao Environmental Technology Development Co., Ltd., Tianjin Motian Film Engineering Technology Co., Ltd., Zhejiang Jinmo Environmental Technology Co., Ltd., Beijing Shiyuan Technology Co., Ltd., Eco-Environmental Research Center of Chinese Academy of Sciences, Yancheng Haipuren Technology Co., Ltd., Shandong Jingze Membrane Technology Co., Ltd., Shanghai Haishi Putai Membrane Technology Co., Ltd., Shandong Jielin Environmental Protection Technology Co., Ltd., Suzhou Fumiao Membrane Technology Co., Ltd., Hunan Aowei Environmental Protection Technology Co., Ltd., Chongqing Oasis Environmental Protection Technology Co., Ltd., Shandong Membrane Source Water Purification Technology Co., Ltd., Santai (Qingdao) Membrane Technology Co., Ltd. Co., Ltd., Guizhou Yihua Membrane Technology Co., Ltd., Wanhua Chemical Group Co., Ltd., Xiamen Kunyang Membrane Technology Co., Ltd., Junji Environmental Technology Co., Ltd. Technology Co., Ltd., Guangdong Zhongme Technology Co., Ltd., Weihai Qingerte Environmental Technology Co., Ltd., and Zhejiang Hongdian Environmental Protection Co., Ltd. The main drafters of this document. Hu Xiaoyu, Wang Xinyan, Wang Jun, Li Yi, Guan Xiaolin, Song Yuzhi, Zhao Xiaochun, Xiao Hongkang, Bian Buhua, Chen Shunquan, Peng Wenbo, Wang Zhiwei, Liang Heng, Chen Qing, Zhang Xingxing, Zhang Wenjie, Gu Guojun, Liu Yang, Xu Yinong, Wu Jinjian, Hou Deyin, Wang Aimin, Hu Yunxia, Xu Weijie, Kang Li, Ma Lifeng, Lu Hongwei, Ye Yang, Zhang Yousi, Fu Chen, Chen Fuqiang, Wei Hanhui, Su Minglue, Dong Jun, Zeng Xiang, Yu Shuili, Zhang Wenguang, Li Liangliang, Li Jing, Liu Huabing, Yang Yan, Zhang Bingtao, Zhao Yan, Wang Hanyi, Xi Xuejie, Ma Lanyun. This document was first published in.2010 and this is the first revision. Hollow fiber curtain membrane module

1 Scope

This document specifies the classification and nomenclature, technical requirements, test methods, inspection rules, marking, packaging, transportation of hollow fiber curtain membrane modules and storage. This document applies to the production, scientific research, use and management of hollow fiber curtain membrane modules (hereinafter referred to as membrane modules).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 191 Graphical signs of packaging, storage and transportation GB/T 2828.1 Counting Sampling Inspection Procedure Part 1.Lot-by-Lot Inspection Sampling Plan Retrieved by Acceptance Quality Limit (AQL) GB/T 2829 Periodic Inspection Counting Sampling Procedure and Table (Applicable to Inspection of Process Stability) GB/T 4456 Polyethylene blown film for packaging GB 5749 Hygienic Standard for Drinking Water GB/T 5750.12 Standard Test Methods for Drinking Water, Microbial Indicators GB/T 9174 General technical conditions for general cargo transport packaging GB/T 9969 General Principles of Instruction Manual for Industrial Products GB/T 14436 General Principles of Warranty Documents for Industrial Products GB/T 15893.1-2014 Determination of turbidity in industrial circulating cooling water by scattered light method GB/T 17219 Safety Evaluation Standard for Drinking Water Transmission and Distribution Equipment and Protective Materials GB/T 20103-2006 Membrane separation technical terms GB/T 36137-2018 Hollow fiber ultrafiltration membrane and microfiltration membrane module integrity test method CJ/T 530-2018 Submerged hollow fiber ultrafiltration membrane modules and devices for drinking water treatment DL/T 588-2015 Determination of water pollution index

3 Terms and Definitions

GB/T 20103-2006, GB/T 36137-2018, CJ/T 530-2018 and the following terms and definitions apply to this document. 3.1 hollow fiber membrane It is a fibrous, hollow membrane with self-supporting or reinforced support. [Source. GB/T 36137-2018, 3.1, with modifications] 3.2 self-supported membrane self-supportedmembrane A hollow fiber membrane with self-supporting properties. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25279-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25279-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25279-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25279-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 25279-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25279-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.