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CJ/T 264-2018: Membrane fine bubble diffuser for water and wastewater treatment
Status: Valid CJ/T 264: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 264-2018 | English | 439 |
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Membrane fine bubble diffuser for water and wastewater treatment
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CJ/T 264-2018
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| CJ/T 264-2007 | English | 879 |
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Membrane fine bubble diffuser for water and wastewater treatment
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CJ/T 264-2007
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PDF similar to CJ/T 264-2018
Basic data | Standard ID | CJ/T 264-2018 (CJ/T264-2018) | | Description (Translated English) | Membrane fine bubble diffuser for water and wastewater treatment | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P41 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 19,168 | | Date of Issue | 2018-04-03 | | Date of Implementation | 2018-11-01 | | Older Standard (superseded by this standard) | CJ/T 264-2007 | | Quoted Standard | GB/T 528; GB/T 529; GB/T 531.1; GB/T 1040.1; GB/T 1040.2; GB/T 1220; GB/T 1447; GB/T 1449; GB/T 1633; GB/T 1681; GB/T 1690; GB/T 1843; GB/T 2828.1-2012; GB/T 2829; GB/T 3398.1; GB/T 3452.1; GB/T 3512; GB/T 5782; GB/T 5836.1; GB/T 5836.2; GB/T 6170 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement No. 40 of 2018 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | CJ/T 264-2018: Membrane fine bubble diffuser for water and wastewater treatment---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.
Membrane fine bubble diffuser for water and wastewater treatment
ICS 13.060.30
P41
People's Republic of China urban construction industry standards
Replacing CJ/T 264-2007
Rubber membrane microporous aerator for water treatment
Published on.2018-04-03
2018-11-01 implementation
Ministry of Housing and Urban-Rural Development
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Classification and Model 2
5 working conditions 5
6 Requirements 5
7 Test method 9
8 Inspection rules 10
9 Marking, packaging, transport and storage 13
Appendix A (informative) Rubber film microporous aerator bottom aeration system requirements 15
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 264-2007 "Rubber film microporous aerator for water treatment". Main technology compared to CJ/T 264-2007
The changes are as follows.
--- Increase or decrease some term terms, modify the term name and definition of the definition;
--- Modify and improve the structure of the aerator;
--- Modify and improve the size and deviation of aeration parts of different specifications;
---Modify and improve the oxygenation performance index of rubber membrane microporous aerator series products;
--- Cancel the original "Quality Assurance" section, and incorporate the part that involves the installation requirements into Chapter 8;
--- Cancel the normative "Appendix A" and "Appendix B" in the original standard, and modify and improve "Appendix C" as the "Appendix A" of this standard.
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Municipal Water Supply and Drainage Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. China Municipal Engineering North China Design and Research Institute Co., Ltd., Yixing City, Jiangsu Province, Wenfeng Environmental Equipment Co., Ltd.
Division, Shanghai Weide Environmental Protection Co., Ltd., Jiangsu Yixing Nopang Environmental Protection Co., Ltd.
The main drafters of this standard. Yan Xiuqin, Ocean, Fan Bo, Shang Yi, Zheng Xingcan, Zhang Xianchao, Wang Huiming, Jiang Weigang, Wang Mingshan, Li Wei, Ren Zhihong,
Chu Kaiqing.
The previous versions of the standards replaced by this standard are as follows.
---CJ/T 264-2007;
---CJ/T 3015.4-1996.
Rubber membrane microporous aerator for water treatment
1 Scope
This standard specifies the terms and definitions, classification and model, working conditions, requirements, and tests of disc, tube and plate rubber membrane microporous aerators.
Test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to the manufacture and inspection of rubber membrane microporous aerators for water treatment.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber
GB/T 529 Determination of tear strength of rubber or thermoplastic rubber (pants, right angles and crescents)
Rubber and rubber -- Determination of hardness of indented rubbers -- Part 1 . Shore hardness test method ( Shore hardness )
GB/T 1040.1 Determination of tensile properties of plastics - Part 1. General
Determination of tensile properties of plastics - Part 2. Test conditions for moulding and extruded plastics
GB/T 1220 stainless steel rod
Test method for tensile properties of GB/T 1447 fiber reinforced plastics
GB/T 1449 fiber reinforced plastic bending performance test method
GB/T 1633 Determination of Vicat softening temperature (VST) of thermoplastics
Determination of the resilience of GB/T 1681 vulcanized rubber
GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test method
GB/T 1843 Determination of impact strength of plastic cantilever beam
GB/T 2828.1-2012.Sampling procedures for sampling by sampling - Part 1 . Batch-by-batch inspections by Retrieving Quality of Acceptance (AQL)
plan
GB/T 2829 Cycle Inspection Counting Sampling Procedures and Tables (Applicable to Inspection of Process Stability)
GB/T 3398.1 Determination of hardness of plastics - Part 1
GB/T 3452.1 O-ring seals for hydraulics - Part 1 . Dimension series and tolerances
GB/T 3512 vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat test
GB/T 5782 Hex Head Bolt
GB/T 5836.1 Hard polyvinyl chloride (PVC-U) pipe for building drainage
GB/T 5836.2 Hard polyvinyl chloride (PVC-U) pipe fittings for building drainage
GB/T 6170 type 1 hex nut
Rubber and rubber -- Determination of compression set - Part 1 . normal temperature and temperature conditions
GB/T 10009 acrylonitrile-butadiene-styrene (ABS) plastic extruded sheet
GB/T 17219 Safety evaluation criteria for drinking water distribution equipment and protective materials
GB/T 20207.1 Acrylonitrile-butadiene-styrene (ABS) pressure piping systems - Part 1.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of CJ/T 264-2018_English be delivered?Answer: Upon your order, we will start to translate CJ/T 264-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of CJ/T 264-2018_English with my colleagues?Answer: Yes. The purchased PDF of CJ/T 264-2018_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+ countriesQuestion 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 [email protected]. 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 CJ/T 264-2018?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version CJ/T 264-2018 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.
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