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CJ/T 351-2010: Overhead regulating additive pipe pressure water supply devices
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 351-2010 | English | 369 |
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Overhead regulating additive pipe pressure water supply devices
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CJ/T 351-2010
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Basic data | Standard ID | CJ/T 351-2010 (CJ/T351-2010) | | Description (Translated English) | Overhead regulating additive pipe pressure water supply devices | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | Q81 | | Classification of International Standard | 91.140.60 | | Word Count Estimation | 14,176 | | Date of Issue | 2010-10-21 | | Date of Implementation | 2011-05-01 | | Quoted Standard | GB/T 191; GB 755; GB/T 3047.1; GB/T 3214; GB/T 3797-2005; GB 4208; GB/T 5657; GB/T 12771; GB/T 13306; GB/T 13384; GB/T 17219; GB 50242; JB/T 3085; JB/T 4711 | | Regulation (derived from) | Ministry of Housing and Urban Notice No. 787; industry standard filing Notice 2011 No. 1 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the upper layers of water supply regulation and storage equipment classification, requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to civil and industrial buildings Regulating domestic water supply system high overlying water supply equipment. | CJ/T 351-2010: Overhead regulating additive pipe 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.
Overhead regulating additive pipe pressure water supply devices
People's Republic of China urban construction industry standards
High regulation of stacked water supply equipment
Posted on.2010-10-21
2011-05-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
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, Ding Xiaokai.
High regulation of stacked water supply equipment
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-pressure water storage equipment.
This standard applies to civil and industrial buildings in the life of the water supply system of high pressure stacked water supply 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/T 191 Packaging - Pictorial signs
GB 755 rotating motor quotas and performance
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 rating
GB/T 5657 centrifugal pump technical conditions (Class Ⅲ)
GB/T 12771 low-pressure fluid delivery stainless steel tube
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 50242 Building Water Supply and Drainage and Heating Engineering Construction Quality Acceptance Code
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
Can be directly connected with the water supply network, the use of water supply network pressure to ensure that the water supply network does not produce negative pressure, set the top of the building high
Regulating the tank to regulate the flow and stability of the pressure, when the water supply pipes, equipment, power supply, machinery and other equipment failure, the use of high storage tank
Maintain the normal water supply equipment, mainly by the buffer tank, no negative pressure flow controller, high-tone storage tank, water pump unit, frequency control cabinet, pipes, valves
And instrumentation and other components.
3.2
Buffer tank buffertank
Connected between the water supply pipe network and pump suction port, used to stabilize the pressure of the water supply pipe closed container.
3.3
No negative pressure flow controller no-negativepressureflowcontroler
Can always monitor the pressure on the water supply network, and according to changes in water supply network pressure buffer tank entrance to ensure that the water supply network is not
Negative pressure.
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