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GB/T 21472-2008: Stainless steel bends and tees for the food industry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21472-2008 | English | 189 |
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Stainless steel bends and tees for the food industry
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GB/T 21472-2008
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Basic data | Standard ID | GB/T 21472-2008 (GB/T21472-2008) | | Description (Translated English) | Stainless steel bends and tees for the food industry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 23.040.60 | | Word Count Estimation | 8,873 | | Date of Issue | 2008-02-28 | | Date of Implementation | 2008-08-01 | | Quoted Standard | GB/T 1031; GB/T 12771; GB/T 17219; GB/T 17395; ISO 2037 | | Adopted Standard | ISO 2851-1993, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.3 (Total No.116) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the size of the food industry with a stainless steel elbow nuclear tee, tolerance, surface roughness, technical requirements for nuclear hygiene requirements. This standards set forth in the elbow nuclear tee applies to ISO 2037 "food industry stainless steel tube, " which stipulated the ends welded stainless steel pipe, or Expansion or welded joints fit. | GB/T 21472-2008: Stainless steel bends and tees for the food industry---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.
Stainless steel bends and tees for the food industry
ICS 23.040.60
J15
National Standards of People's Republic of China
Stainless steel food industry elbow and three
(ISO 2851..1993, MOD)
2008-02-28 released
2008-08-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard is amended to adopt ISO 2851..1993 "Stainless steel elbow and three links for food industry".
This standard and ISO 2851..1993 compared to the main technical differences are.
In addition to this standard is equivalent to the technical content of ISO 2851, but also with China's national conditions, the 6.1 material part of the International Material Code
Into the material code of our country; in the 6.2 manufacturing section clear the pipe should be used as a whole solution treatment requirements; in the seventh chapter health requirements
An increase of 7.1, that is, China's food hygiene requirements.
This standard Appendix A and Appendix B are informative appendix.
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Piping Accessories Standardization Technical Committee.
This standard is drafted by. China Productivity Promotion Center, China Architectural Design and Research Institute, Ningbo Huata Tao Stainless Steel Pipe Co., Ltd.
Division, Jiangsu Jiang Technology Co., Ltd.
Participated in the drafting of this standard. Sichuan Minsheng Pipe Co., Ltd., Yachang Pipe Industry (Shenzhen) Co., Ltd., Changzhou Wujin power pipe pieces have
Limited company.
The main drafters of this standard. Li Junying, Mu Dewei, Zhao Li, Tan Donghua, Chen Tongyu, Liao Zhongli, Chen Weidong, Zang Zhiwei.
Stainless steel food industry elbow and three
1 Scope
This standard specifies the dimensions, tolerances, surface roughness, technical requirements and hygiene requirements of stainless steel elbows and tees for the food industry.
The elbows and tees specified in this standard apply to the ends of stainless steel pipes specified in ISO 2037 "Stainless steel tubes for the food industry"
Welded, or with the expansion joint or welded joints.
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 1031 surface roughness parameters and their values (GB/T 1031-1995, neq ISO 468. 1982)
GB/T 12771 stainless steel welded steel pipe for fluid transport (GB/T 12771-2000, neqJISG3448..1997)
GB/T 17219 drinking water distribution equipment and protective materials safety evaluation criteria
GB/T 17395 seamless steel pipe dimensions, shape, weight and tolerances (GB/T 17395-1998, neq ISO 1712..1992,
ISO 4220..1991, ISO 5252..1991)
Drinking water distribution equipment and protective materials health and safety evaluation norms Ministry of Health [Wei Fa Jian Fa [2001] 161]
ISO 2037 stainless steel tube for the food industry
3 symbol
D --- elbow and tee pipe end diameter;
T --- thickness;
R --- elbow radius;
L --- End to centerline length (including joints where appropriate);
L1 --- Straight length (in the length should retain the vertical tolerance P);
P --- end of a straight line length of the vertical tolerance;
P1 --- end to end of the vertical tolerance.
4 Dimensions and tolerances
4.1 elbow and tee structure type, size and vertical tolerance shown in Figure 1 and Table 1.
a) elbow b) tee
Figure 1 butt elbow and tee
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