CJ/T 351-2010 English PDF

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CJ/T 351-2010: Overhead regulating additive pipe pressure water supply devices
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
CJ/T 351-2010	369	Add to Cart	3 days	Overhead regulating additive pipe pressure water supply devices	Valid

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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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