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CJ/T 303-2008: Steady pressure compensation type non-negative pressure water supply devices
Status: Valid CJ/T 303: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 303-2008 | English | 449 |
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3 days [Need to translate]
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Steady pressure compensation type non-negative pressure water supply devices
| Valid |
CJ/T 303-2008
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| CJ/T 303-1996 | English | RFQ |
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3 days [Need to translate]
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(Municipal waste generation source separation and waste discharge)
| Obsolete |
CJ/T 303-1996
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PDF similar to CJ/T 303-2008
Basic data | Standard ID | CJ/T 303-2008 (CJ/T303-2008) | | Description (Translated English) | Steady pressure compensation type non-negative pressure water supply devices | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P40 | | Classification of International Standard | 91.140.60 | | Word Count Estimation | 17,151 | | Date of Issue | 2008-12-12 | | Date of Implementation | 2009-06-01 | | Quoted Standard | GB 150; GB/T 191; GB 755; GB/T 3047.1; GB/T 3797-2005; GB 4208; GB/T 5657; GB/T 12771; GB/T 13306; GB/T 13384; GB/T 17219; GB 50236; GB 50268-1997; CJ/T 160; JB/T 3085; JB/T 4711; GB/T 3214 | | Regulation (derived from) | Bulletin of the Ministry of Housing and Urban No. 189 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the regulator compensation no negative pressure water supply equipment (hereinafter referred to as the device) classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to civil and industrial construction or production of living water supply system regulator compensation no negative pressure water supply equipment. | CJ/T 303-2008: Steady pressure compensation type non-negative pressure water supply devices---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.
Steady pressure compensation type non-negative pressure water supply devices
ICS 91.140.60
P40
People's Republic of China urban construction industry standards
Regulator compensation without negative pressure water equipment
Posted.2008-12-12
2009-06-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Directory
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Categories 2
4.1 Product Category 2
4.2 Marking 2
5 Requirements 2
5.1 Basic Requirements 2
5.2 System Components Figure 2
5.3 Appearance 3
5.4 Structure 4
5.5 Component Quality 4
5.6 Function 6
5.7 water supply capacity 7
5.8 continuous operation capacity 7
5.9 Health Performance 7
6 test methods 7
6.1 Experimental Device 7
6.2 Appearance, structure inspection 9
6.3 Component Quality Inspection 9
6.4 Function test 9
6.5 Water supply capacity test 11
6.6 Continuous operation test 11
6.7 Health Indicator Test 11
7 Inspection rules 11
7.1 Test classification 11
7.2 factory inspection 11
7.3 type test 11
7.4 Decision rules 11
8 logo, packaging, transportation, storage 12
8.1 logo 12
8.2 Packaging 13
8.3 Transportation 13
8.4 Storage 13
Foreword
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 Products Standardization Technical Committee.
This standard was drafted. Beijing Wei Paige Technology Development Co., Ltd., Beijing Walter Mike Technology Development Co., Ltd..
The main drafters of this standard. Liu Bing, Tian Haiping, Yang Feng, Xu Hongjian, Zhang Yu, Zhang Chuanming, Zhu Yanjun, Li Jiwei, Huang Rongbin, Yang country,
Li Zhijian.
Regulator compensation without negative pressure water equipment
1 Scope
This standard specifies the regulation of non-negative pressure water supply equipment (hereinafter referred to as equipment) classification, requirements, test methods, inspection rules, standard
Log, packaging, transportation, storage.
This standard applies to civil and industrial buildings in the life or production of water supply system voltage compensation without negative pressure water equipment.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research
Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard.
GB 150 steel pressure vessel
GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780..1997, MOD)
GB 755 Rotating electrical machinery quota and performance (GB 755-2000, IEC 60034-1..1996, IDT)
GB/T 3047.1 height 20mm panel, frame and cabinet basic size series
GB/T 3214 pump flow measurement method
Electrical control equipment GB/T 3797-2005
GB 4208 enclosure protection class (GB 4208-2008, IEC 60529..2001, IDT)
GB/T 5657 centrifugal pump technical conditions (Class III) (GB/T 5657-1995, eqv ISO 9908..1993)
GB/T 12771 stainless steel welded steel pipe for fluid transport
GB/T 13306 signs
GB/T 13384 mechanical and electrical product packaging General technical conditions
GB/T 17219 drinking water distribution equipment and protective materials safety evaluation criteria
GB 50236 field equipment, industrial pipe welding construction and acceptance specifications
Code for construction and acceptance of water supply and sewer pipelines GB 50268-1997
CJ/T 160 backflow preventer
JB/T 3085 Power Transmission Control Device Packaging and Shipping Specifications
JB/T 4711 Pressure Vessel Coating and Transport Packaging
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Regulator compensation without negative pressure water equipment
Can be directly connected with the water supply network, does not produce negative pressure, and can compensate for flow and pressure stability of the device, mainly by the pressure compensation tank, no negative
Pressure flow controller, energy storage, two-way compensator, booster pump unit, frequency control cabinet, pressure sensor and other components.
3.2
Regulator compensation tank
Connected between the water supply pipe network and booster pump suction port, the normal water supply is used to stabilize the user pipeline pressure, differential compensation when the peak water
The closed sub-chamber pressure vessel.
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