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CJ/T 283-2017: (Eccentric hemisphere valve)
Status: Valid CJ/T 283: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 283-2017 | English | 399 |
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4 days [Need to translate]
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(Eccentric hemisphere valve)
| Valid |
CJ/T 283-2017
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| CJ/T 283-2008 | English | 479 |
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3 days [Need to translate]
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Eccentric semi-ball valve
| Obsolete |
CJ/T 283-2008
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PDF similar to CJ/T 283-2017
Basic data | Standard ID | CJ/T 283-2017 (CJ/T283-2017) | | Description (Translated English) | (Eccentric hemisphere valve) | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P40 | | Word Count Estimation | 17,169 | | Date of Issue | 2017-09-26 | | Date of Implementation | 2018-05-01 | | Older Standard (superseded by this standard) | CJ/T 283-2008 | | Regulation (derived from) | Housing and Urban-Rural Development Bulletin 2017 No. 1677 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | CJ/T 283-2017: (Eccentric hemisphere valve)---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.
(Eccentric hemisphere valve)
ICS 91.140.99
P40
People's Republic of China Urban Construction Industry Standard
Replacing CJ/T 283-2008
Eccentric half ball valve
Published on.2017-09-26
2018-05-01 Implementation
The People's Republic of China Ministry of Housing and Urban-Rural Development issued
Directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 structure type and model 2
5 Material 3
6 Request 3
7 Test method 6
8 Inspection Rules 7
9 Signs, Packaging and Storage 8
Appendix A (informative) Basic structure of eccentric hemispherical valve type 10
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 283-2008 "Eccentric Hemispherical Valves". Compared with CJ/T 283-2008, except for editorial modification, the main technology
The content of the surgery changes as follows.
--- Modify the nominal size and nominal pressure range;
--- Added definitions of side-loading structures in terms and definitions;
--- Added side-mounted eccentric hemispherical valve structure type;
--- Modified valve type code;
--- Modify the structure length and tolerances;
--- Modify the size of the narrowest flow channel;
--- The new valve seat can be made of soft seal material;
--- Modify the surface coating requirements;
--- Added paint spray requirements;
--- Modify the position of the handle when the valve is open;
---Modified the operating mechanism enclosure protection level on the IP68 test conditions and lubricant requirements;
--- Added DN1200~DN2000 open and close cycles.
This standard is proposed by the Institute of Standardization of Housing and Urban-Rural Development Standards.
This standard is under the jurisdiction of the Ministry of Housing and Urban-Rural Construction Water Supply and Drainage Standardization Technical Committee.
This standard was drafted by. China Construction Metal Structure Association, Shanghai Guanlong Valve Machinery Co., Ltd., Pearl Valve Group Co., Ltd.
Shanghai Huhang Valve Co., Ltd., Hangzhou Chunjiang Valve Co., Ltd., Tianjin Tanggu First Valve Factory, Shandong Led Pipe Valve Co., Ltd., Anhui Red
Star Valve Co., Ltd., Jingjia Valve Group Co., Ltd., Meide Group Co., Ltd., Anhui Tongdu Fluid Technology Co., Ltd., Zhuzhou South
Fang Valve Co., Ltd., Wuhan Daxie Valve Co., Ltd., Tianjin Guowei Water Supply and Drainage Equipment Manufacturing Co., Ltd., and Bonaparte Valve
Door Co., Ltd., Hefei Ruilian Valve Co., Ltd., Tianjin Tanggu Watts Valve Co., Ltd.
The main drafters of this standard. Hua Mingjiu, Liu Jian, Liu Jie, Cao Yu, Ge Xin, Liu Fengnian, Li Zhenghong, You Liangyou, Chen Siliang, Chai Weimin, Xiang Xi
Chang, Zhang Tonghu, Han Anwei, Jin Zonglin, Kong Linglei, Zhao Yulong, Yan Jie, Huang Jing, Li Xihong, Liu Yong, Liao Zhifang, Jin Feng, and Hou Keqiang.
The previous versions of the standard replaced by this standard are.
--- CJ/T 283-2008.
Eccentric half ball valve
1 Scope
This standard specifies the terms and definitions, structure type and model, materials, requirements, test methods, inspection rules, and signs for eccentric hemispherical valves.
Packaging and storage.
This standard applies to the nominal size DN40 ~ DN2000, the maximum allowable working pressure is not greater than 6.3MPa, the medium is water, slurry or material
An eccentric hemispherical valve that is similar in chemistry to other liquids of water.
2 Normative references
The following documents are indispensable for the application of this standard. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 196 common thread basic size
GB/T 197 Common thread tolerance
GB/T 1047 Definition and selection of DN (nominal size) of pipeline components
GB/T 1048 Definition and Selection of PN (Nominal Pressure) Pipeline Components
GB/T 1732 paint film impact resistance test
GB 4208 enclosure protection (IP code)
GB/T 4956 Magnetic coating on non-magnetic covering layer thickness magnetic method
GB/T 5210 Paint and Varnish Pull-Off Adhesion Test
GB/T 6739 paint and varnish pencil method for determining film hardness
GB/T 8923.1-2011 Preparation of steel substrates before application of paints. Visual assessment of surface cleanliness. Part 1. Uncoated
Steel surface and full removal of the original coating steel surface corrosion rating and processing level
GB/T 9113 Integral Steel Pipe Flange
GB/T 9124 Steel Pipe Flange Technical Conditions
Cross-cut test of GB/T 9286 paint and varnish paint film
GB/T 9969 Instruction Manual for Industrial Products
GB/T 11211 Determination of adhesion strength of vulcanized rubber or thermoplastic rubber to metal plate method
GB/T 12220 industrial valve sign
GB/T 12221 Metal Valve Structure Length
Connection of GB/T 12223 partial rotary valve drive
GB/T 12224 steel valve general requirements
GB/T 12225 general valve copper alloy casting technical conditions
GB/T 12227 general valve ductile iron technical conditions
GB/T 12229 General Valve Carbon Steel Casting Technical Conditions
GB/T 12230 General Valve Stainless Steel Casting Technical Conditions
GB/T 13927 industrial valve pressure test
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