GB/T 6070-2007 English PDF

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GB/T 6070-2007: Vacuum technology -- Flange dimensions
Status: Valid

GB/T 6070: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6070-2007	369	Add to Cart	3 days	Vacuum technology -- Flange dimensions	Valid
GB/T 6070-1995	519	Add to Cart	4 days	Vacuum flanges	Obsolete
GB/T 6070.1-1995	RFQ	ASK	3 days	Vacuum flanges	Obsolete
GB 6070.1-1985	199	Add to Cart	2 days	Nominal bore for vacuum flanges	Obsolete

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Basic data

Standard ID: GB/T 6070-2007 (GB/T6070-2007)
Description (Translated English): Vacuum technology -- Flange dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J78
Classification of International Standard: 23.160
Word Count Estimation: 14,129
Date of Issue: 2007-12-02
Date of Implementation: 2008-06-01
Older Standard (superseded by this standard): GB/T 6070-1995
Adopted Standard: ISO 1609-1986, MOD
Regulation (derived from): National Standard Approval Announcement 2007 No.13 (Total No.113)
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 use of low- contained vacuum technology, medium, high vacuum equipment connecting flange. The size can guarantee a fixed flange, Looper interchangeability between the flange and the flange calipers.

GB/T 6070-2007: Vacuum technology -- Flange dimensions

---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.
Vacuum technology. Flange dimensions ICS 23.160 J78 National Standards of People's Republic of China Replacing GB/T 6070-1995 Vacuum Technology flange size (ISO 1609. 1986, MOD) Posted 2007-12-02 2008-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 1609. 1986 "Vacuum Technology flange size" (in English). This standard is based on ISO 1609. 1986 re-drafted. This article lists the number and ISO standard chapter in Appendix D 1609. 1986 reg Control list numbered. Taking into account China's national conditions, in the use of ISO 1609. 1986, this standard do some modifications. Removed ISO 1609. 1986 Foreword; About the technical differences have been incorporated into the body and they are involved in terms of the margin of a single vertical line identification. In Appendix E to A list of these technical differences and the reasons for the reference. This standard replaces GB/T 6070-1995 "vacuum flange." This standard and GB/T 6070-1995 major changes are as follows. --- According to GB/T 1.1-2000 requirements increase the foreword; --- According to GB/T 1.1-2000 increased requirements "2 Normative references"; --- According to ISO 1609. 1986, the contents of a text editor to modify the 2.1 to 2.5 3.1 to 3.9; --- Increased flange diameter size all sizes; --- Revised Appendix A, Appendix B, Appendix C, Appendix D and Appendix increased E. The Standard Appendix A, Appendix C is a normative appendix, Appendix B, Appendix D and Appendix E are informative appendices. The standard proposed by China Machinery Industry Federation. The vacuum technology standard by the National Standardization Technical Committee (SAC/TC18) centralized. This standard is drafted by. Beijing North instrument innovative vacuum technology limited liability company. Participated in the drafting of this standard. Shandong Zibo Vacuum Equipment Co., Ltd., Shanghai Vacuum Valve Manufacturing Co., Ltd., Liaoning genuine dragon vacuum Equipment Manufacturing Co., Ltd., Shenyang Institute of Vacuum Technology. The main drafters of this standard. Yang Jing, Zhou Yi, Fan Liqun, Xu Jian law, Sun Meng, Zhang Donglin, Linsen, ROCKETS. This standard replaces the standards previously issued as follows. --- GB/T 6070.1 ~ 6070.5-1985, GB/T 6070-1995. Vacuum Technology flange size

1 Scope

This standard specifies the use of vacuum technology in the low, medium and high vacuum equipment used in fixed flange, loose flange and flange dimensions calipers. For low, medium and high vacuum equipment connection flange. The size of the guaranteed fixed flange, Looper interchangeability between the flange and flange caliper.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 321-2005 priority number and priority number system (ISO 3. 1973, IDT) GB/T 1800.1-1997 Limits and fits basis Part 1. Vocabulary (neq ISO 286-1. 1988) GB/T 1800.2-1998 Limits and fits - Bases - Part 2. Tolerances, deviations and basic provisions mating (eqv ISO 286- 1. 1988) GB/T 1800.3-1998 Limits and fits - Bases - Part 3. standard tolerances and fundamental deviations in the value table (eqv ISO 286- 1. 1988) GB/T 1800.4-1999 Limits and fits standard tolerance grades and limit deviations for holes and shafts of (eqv ISO 286-2. 1988) GB/T 3452.1-2005 hydraulic and pneumatic rubber O-rings - Part 1. Dimensions, tolerances (ISO 3601-1. 2002, MOD) GB/T 4982-2003 Vacuum technology - Quick release couplings - Dimensions - Part 1. Clamping Type (ISO 2861-1. 1974, IDT) GB/T 5277-1985 fastener bolts and screws through holes (eqv ISO 273. 1979) GB/T 5286-2001 bolts, screws and nuts - General plan (idt ISO 887.2000) GB/T 17395-1998 seamless steel pipe size, shape, weight and tolerances (neq ISO 1127.1992, ISO 4200.1991, ISO 5252.1991)

3 Dimensions

3.1 General 3.1.1 fixed flanges, loose flanges and calipers flange dimensions shall comply with Table 1, Table 2 and Table 3 and 2, Regulation Figure 3 and Figure 4 set. These dimensions are tooled size, excluding allowances. In Table 1, Table 2 nominal diameter of 10mm ~ 40mm flange 4982-2003 cooperating consistent with GB/T . 3.1.2 flange material is generally Q235A or 20 steel, non-magnetic or requirements for corrosive media with austenitic stainless steel. Its choice He should meet the material in Appendix A flange sealing load and line welding. 3.2 nominal diameter 3.2.1 The table shows a series of nominal diameter value, intended as a sign of the flange. 3.2.2 Nominal size line with GB/T 321-2005 in the R10 series. 3.3 bolt hole diameter C 3.4 mating surface 3.4.1 an annular flange mating face is flat, the surface roughness and flatness to ensure sealing connection. 3.4.2 The minimum sealing surface of the table D, D2, D3 value to decide. ......

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