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GB/T 37621-2019 PDF English

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GB/T 37621-2019: Buried type butterfly valve
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GB/T 37621-2019English279 Add to Cart 3 days [Need to translate] Buried type butterfly valve

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Basic data

Standard ID GB/T 37621-2019 (GB/T37621-2019)
Description (Translated English) Buried type butterfly valve
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P41
Classification of International Standard 91.140.60
Word Count Estimation 14,117
Date of Issue 2019-06-04
Date of Implementation 2020-05-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37621-2019: Buried type butterfly 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.
Buried type butterfly valve ICS 91.140.60 P41 National Standards of People's Republic of China Direct buried butterfly valve Published on.2019-06-04 2020-05-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Structure 2 5 Product Model 5 6 Material 5 7 Requirements 5 8 Test method 7 9 Inspection rules 8 10 logo 10 11 Packaging, transportation and storage 10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic This standard is under the jurisdiction of the National Urban Water Supply and Drainage Standardization Technical Committee (SAC/TC434). This standard was drafted. Guangdong Yongquan Valve Technology Co., Ltd., Beijing Urban Construction Design and Development Group Co., Ltd., People's University of China Xue, Tianjin Yongquan Valve Technology Co., Ltd. The main drafters of this standard. Xiong Chuqing, District Zhanjian, Huang Chunlei, Ye Liying, Xiao Shumei, Chen Yuliang, Cheng Yuanjun, Huang Zhongrong, Zhao Qiufeng, Lu Jinyou, Xu Jianli. Direct buried butterfly valve

1 Scope

This standard specifies the structural form, product model, material, requirements, test methods, inspection rules, and direct-buried butterfly valves (hereinafter referred to as butterfly valves). Marking, packaging, transportation and storage. This standard applies to the nominal pressure is not greater than PN25, the nominal size DN200 ~ DN3000, the working temperature is 0 ° C ~ 80 ° C, transport The medium is a non-corrosive liquid or gas and a low viscosity acid, alkali, salt and other corrosive liquid or gas ductile iron shell material, direct A butterfly valve buried in the ground.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 1220 stainless steel rod GB/T 3098.6 Mechanical properties of fasteners Stainless steel bolts, screws and studs GB/T 4208 enclosure protection grade (IP code) GB/T 6739 Paint and varnish pencil method for determination of film hardness GB/T 9286 color and varnish paint film cross-cut test GB/T 10002.3 hard polyvinyl chloride (PVC-U) valve for water supply GB/T 12220 industrial valve sign GB/T 12225 general valve copper alloy casting technical conditions GB/T 12227 general valve ductile iron casting technical conditions GB/T 12230 general valve stainless steel casting technical conditions GB/T 13663 polyethylene (PE) pipe for water supply GB/T 13927 industrial valve pressure test GB/T 17219 Safety evaluation criteria for drinking water distribution equipment and protective materials GB/T 21873 Rubber seals for water supply and drainage pipes and sewage pipelines General technical requirements for GB/T 26500 fluoroplastic lining steel pipes and fittings GB/T 32808 valve model preparation method CJ/T 511 cast iron inspection manhole cover JB/T 106 valve marking and painting JB/T 7928 Industrial Valve Supply Requirements JB/T 8863 butterfly valve static pressure life test procedure

3 Terms and definitions

The following terms and definitions apply to this document. ...

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