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GB/T 7781-2018 English PDF

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GB/T 7781-2018: Separator -- Model designation
Status: Valid

GB/T 7781: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 7781-2018English109 Add to Cart 3 days [Need to translate] Separator -- Model designation Valid GB/T 7781-2018
GB/T 7781-2005English239 Add to Cart 3 days [Need to translate] The model designation of separators Obsolete GB/T 7781-2005
GB/T 7781-1987English239 Add to Cart 2 days [Need to translate] The model designation of separators Obsolete GB/T 7781-1987

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Basic data

Standard ID GB/T 7781-2018 (GB/T7781-2018)
Description (Translated English) Separator -- Model designation
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J77
Classification of International Standard 73.120
Word Count Estimation 5,532
Date of Issue 2018-05-14
Date of Implementation 2018-12-01
Older Standard (superseded by this standard) GB/T 7781-2005
Regulation (derived from) National Standards Announcement No. 6 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 7781-2018: Separator -- Model designation

---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.
(Separator Modeling Method) ICS 73.120 J77 National Standards of People's Republic of China Replace GB/T 7781-2005 Separator model preparation method Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 7781-2005 "Separator Modeling Method". Compared with GB/T 7781-2005, except for editorial repair The main technical changes changed are as follows. --- Added "Chapter 3 Terms and Definitions" (see Chapter 3); --- Change the slagging mode in the feature code to the feature code, and change from six to four, delete the water slag discharge, and slag the outer nozzle The inner nozzle slag is combined into the nozzle slag discharge (see Table 1, Table 1 of the.2005 edition); --- Increased the characteristics and representation of the slagging method of the tubular separator (see Table 1, Table 1 of the.2005 edition); --- Added material name and code number for contact with materials (see Table 4). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Separation Machinery Standardization Technical Committee (SAC/TC92). This standard is drafted by. Hefei General Machinery Research Institute, Sichuan Weizhen High-tech Materials Co., Ltd. The main drafters of this standard. Zhou Jin, Qu Zhi, Xiao Yong. The previous versions of the standards replaced by this standard are. ---GB/T 7781-1987, GB/T 7781-2005. Separator model preparation method

1 Scope

This standard specifies the model preparation method of the disc separator, the tube separator and the chamber separator (hereinafter referred to as the separator). This standard applies to the preparation of disc separators, tube separators and chamber separators.

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 4774 Filtering and Separating Terminology

3 Terms and definitions

The terms and definitions defined in GB/T 4774 apply to this document.

4 Preparation method

4.1 Separator product name consists of model code and Chinese name. 4.2 The Chinese name in the name of the separator should conform to the provisions of GB/T 4774, and the model code should be representative of the Chinese character in the Chinese name. Pinyin letters are indicated. 4.3 The separator model consists of the basic model and the auxiliary model. The specific representation is as follows. 4.4 The basic model of the separator consists of two parts. the basic code and the main parameter. The basic model uses the representative uppercase Chinese spelling in the name. The letter indicates that the main parameters are expressed in Arabic numerals and should be in accordance with Table 1.

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 7781-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.