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CJ/T 282-2016: Slow closure butterfly check valve
Status: Valid CJ/T 282: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 282-2016 | English | 329 |
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3 days [Need to translate]
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Slow closure butterfly check valve
| Valid |
CJ/T 282-2016
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| CJ/T 282-2008 | English | 479 |
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3 days [Need to translate]
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Solw closure butterfly check valve
| Obsolete |
CJ/T 282-2008
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PDF similar to CJ/T 282-2016
Basic data | Standard ID | CJ/T 282-2016 (CJ/T282-2016) | | Description (Translated English) | Slow closure butterfly check valve | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P40 | | Classification of International Standard | 23.065.50 | | Word Count Estimation | 14,168 | | Date of Issue | 2016-06-14 | | Date of Implementation | 2016-12-01 | | Older Standard (superseded by this standard) | CJ/T 282-2008 | | Quoted Standard | GB/T 699; GB/T 1047; GB/T 1048; GB/T 1800.2-2009; GB/T 4956; GB/T 6739; GB/T 8923.1; GB/T 9286; GB/T 12220; GB/T 12221; GB/T 12225; GB/T 12227; GB/T 13927; GB/T 17219; GB/T 17241.6; GB/T 17241.7; GB/T 20878; GB 16640-2011; HG/T 3091; JB/T 308; JB/T 7928 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Bulletin 2016 No. 1176 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the terms and definitions, structural types, types, materials, requirements, test methods, face inspection rules, marking, packaging, and storage of butterfly slow closing check valves (hereinafter referred to as check valves). This standard applies to the nominal size DN300 ~ DN2000, nominal pressure is not greater than PN16, the medium is water, the water temperature is not greater than 55 ��, to prevent the destructive stop pump water hammer, reverse the control of the reverse pump back to the Court. | CJ/T 282-2016: Slow closure butterfly check 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.
Slow closure butterfly check valve
ICS 23.065.50
P40
People's Republic of China urban construction industry standards
Replacing CJ/T 282-2008
Butterfly slowly closing check valve
2016-06-14 released
2016-12-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is CJ/T 282-2008 "butterfly slow closing check valve" amendment, this standard compared with CJ/T 282-2008, the main technology
The changes are as follows.
--- Remove the body of gray cast iron material;
--- Increasing the initial opening of the disc in the valve body pressure and the minimum required full flow rate;
--- Increase the requirements of the damping cylinder;
--- Improve the performance requirements;
--- Increase the coating inspection project.
This standard proposed by the Ministry of Housing and Urban Standard and Design Institute.
This standard by the Ministry of Housing and Urban Water Supply and Drainage Municipal Standardization Technical Committee centralized.
This standard was drafted. China Construction Metal Structure Association, Shanghai Guanlong Valve Machinery Co., Ltd., Shanghai and Shanghai Airlines Valve Co., Ltd. Ann
Hui Hongxing Valve Co., Ltd., Anhui Tongdu Fluid Technology Co., Ltd., Jinan Meade Casting Co., Ltd., Valgen Water Treatment System (too
Warehouse) Co., Ltd., Hangzhou Chunjiang Valve Co., Ltd., Wuhan Dayu Valve Co., Ltd., Bonas Granville Valve Group Co., Ltd., Tieling
Special Valve Co., Ltd., Shanghai Ou Telai Valve Machinery Co., Ltd., Tianjin Guowei Drainage Equipment Manufacturing Co., Ltd. Fujian Qian
Into the establishment of Limited.
The main drafters of this standard. Wah Ming nine, Liu Jian, Liu Jie, Wang Guangjie, Zhang Yanhui, Cao Yong, Ge Xin, Ye Liying, Li Zhenghong, Chen Sili,
Chen sent, Han Anwei, Cheng Hua, Kong Ling Lei, Jiang Weijun, Chai Weimin, Li Xihong, Liao Zhifang, Li Zhendong, Guan Jinhua, Liu Yong, Lin Minyan.
This standard replaces the standards previously issued as follows.
--- CJ/T 282-2008.
Butterfly slowly closing check valve
1 Scope
This standard specifies the butterfly slow closing check valve (hereinafter referred to as check valve) terms and definitions, structure type, type, material, requirements, test
Methods, inspection rules, marking, packaging and storage.
This standard applies to the nominal size DN300 ~ DN2000, the nominal pressure is not greater than PN16, the medium is water, the water temperature is not greater than 55 ℃, with
To prevent damaging stop water hammer, check the pump reverse speed check valve.
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 699 high-quality carbon structural steel
GB/T 1047 pipe element DN (nominal size) of the definition and selection
GB/T 1048 pipe element PN (nominal pressure) definition and selection
GB/T 1800.2-2009 Geometrical product specifications (GPS) - Limits and mating - Part 2. Standard tolerance classes and holes, pole
Limit deviation table
Nonmagnetic coatings on magnetic substrates - Measurement of thickness of coatings - Magnetic method
Paints and varnishes - Determination of film hardness by pencil method
GB/T 8923.1 pre-painted steel surface treatment of steel visual assessment of surface cleanliness - Part 1. Uncoated steel
Surface and the full removal of the original coating steel surface corrosion level and treatment level
GB/T 9286 Paints and varnishes - Cross-hatch test
GB/T 12220 industrial valve logo
GB/T 12221 metal valve structure length
GB/T 12225 common valve copper alloy castings technical conditions
GB/T 12227 General valve ductile iron specifications
GB/T 13927 industrial valve pressure test
GB/T 17219 drinking water distribution equipment and protective materials safety evaluation criteria
GB/T 17241.6 overall cast iron flange
GB/T 17241.7 cast iron pipe flanges technical conditions
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
GB 26640-2011 valve shell minimum wall thickness requirements specifications
HG/T 3091 rubber seal to the drain pipe and sewer pipe interface sealing ring material specifications
JB/T 308 valve model preparation methods
JB/T 7928 industrial valve delivery requirements
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