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GB/T 34241-2017 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34241-2017: Spiral wound composite polyamide reverse osmosis membrane element
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34241-2017	299	Add to Cart	3 days	Spiral wound composite polyamide reverse osmosis membrane element	Valid

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Basic data

Standard ID: GB/T 34241-2017 (GB/T34241-2017)
Description (Translated English): Spiral wound composite polyamide reverse osmosis membrane element
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J77
Word Count Estimation: 15,120
Date of Issue: 2017-09-07
Date of Implementation: 2018-04-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34241-2017: Spiral wound composite polyamide reverse osmosis membrane element

---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.
Spiral wound composite polyamide reverse osmosis membrane element ICS 07.060; 23.100.60 J77 National Standards of People's Republic of China Roll polyamide composite reverse osmosis membrane element 2017-09-07 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Standardization Technical Committee membrane separation (SAC/TC382) and focal point. This standard was drafted unit. Guiyang era Wharton Technology Co., Ltd., Jiangsu Jiuwu High-tech Co., Ltd., Shandong Zhaojin film days shares Co., Ltd., Beijing Bishuiyuan Membrane Technology Co., Ltd., Tianjin Ocean Water Desalination and Comprehensive Utilization Research Institute, Xinjiang Takland Co., Ltd. Limited, Tianjin Membrane Engineering Co., Ltd., Tianjin Polytechnic University. The main drafters of this standard. Jin Yan, Wang Si Liang, Zhu Min, Peng Wenbo, Wang Yue translation, Xia Jianzhong, Pan Xianghui, Zeng Fan Fu, Wang Jie, Fan Yun double, Zhao Ying. Roll polyamide composite reverse osmosis membrane element

1 Scope

This standard specifies the roll polyamide composite reverse osmosis membrane elements (hereinafter referred to as reverse osmosis membrane element) classification and type, requirements, test side Law, inspection rules, marking, packaging, transportation and storage. This standard applies to roll polyamide composite reverse osmosis membrane element production, research, use and management, and other types of reverse osmosis membrane element Pieces can refer to the implementation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2828.1 Sampling procedures for sampling inspection - Part 1. Batch inspection sampling plan retrieved by acceptance quality limit (AQL) Determination of conductivity of boiler water and cooling water GB/T 6908 GB/T 9174 general cargo transport packaging general technical conditions Determination of chloride ion in industrial circulating cooling water and boiler water GB/T Membrane separation technology terminology Domestic drinking water distribution equipment and protective materials health and safety evaluation (Wei Fa Jian Fa [2001] 161)

3 Terms and definitions

GB/T 20103-2006 defined and the following terms and definitions apply to this document. For ease of use, the following list is repeated GB/T 20103-2006 related terms and definitions. 3.1 Composite membrane compositemembrane Two different membrane materials were used to make the surface-active layer (dense layer) with separation function and the porous layer functioning as support Of the film. [GB/T 20103-2006, Definition 2.1.21] 3.2 Reverse osmosis membrane Semi-permeable membrane for the separation of solvents and solutes from reverse osmosis. [GB/T 20103-2006, Definition 4.1.1] 3.3 Polyamide composite reverse osmosis membrane compositepolyamidereverseosmosismembrane Composite reverse osmosis membrane with polyamide as its surface active layer. 3.4 Feedwaterchannelspacer Roll-type membrane element in the water side of the network has a network structure, from the role of diversion and disturbance of the polymer network. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34241-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34241-2017_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 34241-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34241-2017_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.