CJ/T 245: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 245-2021 | English | RFQ |
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3 days [Need to translate]
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General technical specifications of building roof drains
| Valid |
CJ/T 245-2021
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| CJ/T 245-2007 | English | 639 |
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3 days [Need to translate]
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Syphonic roof outlet
| Obsolete |
CJ/T 245-2007
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PDF similar to CJ/T 245-2021
Basic data | Standard ID | CJ/T 245-2021 (CJ/T245-2021) | | Description (Translated English) | General technical specifications of building roof drains | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P40 | | Classification of International Standard | 91.140 | | Date of Issue | 2021-12-23 | | Date of Implementation | 2022-03-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the classification and marking of rainwater buckets for building roof drainage, general requirements, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to rainwater buckets in roof rainwater drainage systems of industrial and civil buildings. | CJ/T 245-2007: Syphonic roof outlet---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.
ICS 91.140
P40
People's Republic of China town construction industry standards
Siphon rain bucket
2007-01-16 release
2007-08-01 Implementation
Issued by the Ministry of Construction of the People's Republic of China
Foreword
This standard is developed for the first time.
This standard is widely absorbed at home and abroad on the product technical standards and manufacturing processes, some of the products at home and abroad were measured hydraulic characteristics
Test, and carried out after the project validation.
Appendix B, Appendix C, Appendix D of this Standard is a normative appendix, Appendix A, Appendix E is an informative appendix.
This standard is proposed by the Standard Quota Research Institute of the Ministry of Construction of the People's Republic of China.
This standard by the People's Republic of China Ministry of Construction Water Supply and Drainage Products Standardization Technical Committee.
This standard is responsible for drafting units. Beijing Taining Branch Year Technology Co., Ltd.
This standard participates in the drafting unit. Beijing Institute of Architectural Engineering, China Architectural Design and Research Institute.
The main drafters of this standard. Sun Ying, Wang Wenhai, Wu Junqi, Zhao Shiming, Ruan Peiyan, Yu Xuesong.
Siphon rain bucket
1 Scope
This standard specifies the classification and labeling of siphon bucket products, requirements, test methods, inspection rules and signs, packaging, storage and transportation.
This standard applies to siphon rain water bucket for industrial and civil construction siphon roof rainwater drainage systems.
2 normative reference documents
The terms of the following documents are incorporated by reference in this standard and are the terms of this standard. Any reference to the date of the document,
(Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard
Whether the latest version of these files can be used, and the most recent version of the referenced document, which is not dated, applies to this standard.
Methods for chemical analysis of iron, steel and alloy GB/T
Test method for room temperature tensile testing of metallic materials GB/T
GB/T 1173 cast aluminum alloy
GB/T 1176 Technical conditions for cast copper alloys
GB/T 2100 General purpose corrosion resistant steel castings
GB/T 2828.1 Sampling inspection procedures Part 1. Batch inspection sampling plan for retrieval by quality limit (AQL)
GB/T 3091 welded steel tubes for low pressure fluid delivery
GB/T 3098.1 Fasteners - Mechanical properties - Bolts, screws and studs
GB/T 3280 stainless steel cold rolled steel sheet and strip
GB/T 3420 gray cast iron pipe fittings
GB 4237 stainless steel hot rolled steel sheet and strip
GB/T 9438 aluminum alloy castings
GB 9439 gray cast iron pieces
GB/T 12716 60 ° sealing pipe thread
GB/T 12771 Stainless steel welded pipe for fluid delivery
GB/T 12772 Flexible interface for cast iron cast iron pipes and fittings
GB/T 13663 Polyethylene (PE) pipes for water supply
GB/T 13819 copper alloy castings
Stainless steel seamless steel tubes for fluid delivery GB/T 14976
HG/T 3091-2000 Specification for interface seals for rubber seals, for drains and sewers
CAG - type cast iron pipes and fittings for building drainage
Chemical analysis of HB5220 superalloy
HB6731 aluminum alloy atomic absorption spectrometric method
3 terms and definitions
The following terms and definitions apply to this standard.
3.1
With the role of gas or anti-eddy current, when the water level before the bucket reaches the design of water depth, the system formed a full flow and produce negative pressure.
Pressure rain water bucket or pressure pressure rain bucket.
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