GB 8335-2011 PDF EnglishUS$185.00 · In stock · Download in 9 seconds
GB 8335-2011: [GB/T 8335-2011] Special threads for gas cylinders Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 8335: Historical versions
GB 8335-2011: [GB/T 8335-2011] Special threads for gas cylinders---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB8335-2011GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 23.020.30 J 74 GB/T 8335-2011 Replacing GB 8335-1998 Special threads for gas cylinders (ISO 11363-1:2010, Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications, NEQ) ISSUED ON: DECEMBER 30, 2011 IMPLEMENTED ON: DECEMBER 01, 2012 Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions, symbols ... 5 4 Taper thread ... 7 5 Cylindrical thread ... 10 Special threads for gas cylinders1 ScopeThis Standard specifies the terms, symbols, basic profile and size of taper threads and cylindrical pipe threads for gas cylinders. This Standard applies to the taper thread for connection of the opening of the gas cylinder to the cylinder valve, and the cylindrical pipe thread (hereinafter referred to as the cylindrical thread) for connection of the valve protection cap to the neck ring. The taper thread for connection of fusible plug of the gas cylinder with safety device to plug seat can also refer to this Standard.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. GB/T 192, General purpose metric screw threads - Basic profile GB/T 196, General purpose metric screw threads - Basic dimensions GB/T 197, General purpose metric screw threads - Tolerances GB/T 3505, Geometrical Product Specifications (GPS) - Surface texture: Profile method - Terms, definitions and surface texture parameters GB/T 13005, Terminology of gas cylinders3 Terms and definitions, symbols3.1 Terms and definitions Terms and definitions determined by GB/T 13005 and the following ones are applicable to this document. 3.1.1 Basic plane The plane, of basic diameter, perpendicular to the thread axis, which is referred to as the base plane. Note: For internal thread, it is the plane of the big end; for external thread, it is the plane whose distance to the small end is equal to the basic distance. 3.1.2 Basic diameter The basic major diameter of the internal or external thread. 3.1.3 Taper thread pitch The distance between the parallel cone generatrices of the corresponding two points of the neighboring teeth on the pitch diameter line. 3.1.4 Taper thread pitch diameter deviation It refers to the comprehensive pitch diameter deviation, including the pitch diameter radial compensation value that is caused by the deviation of the pitch diameter itself and the profile half-angle deviation, screw-pitch deviation, and cone angle deviation. 3.1.5 Basic distance The distance from the basic plane to the small end of the taper external thread, which is referred to as the base distance. 3.1.6 Reference plane Small end face of external taper thread (visible plane for inspection), large end face of internal taper thread (visible plane for inspection). 3.2 Symbols The following symbols apply to this document. D(d) Major diameter of the internal (external) thread base surface; D2(d2) Pitch diameter of the internal (external) thread base surface; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 8335-2011 be delivered?Answer: The full copy PDF of English version of GB 8335-2011 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 8335-2011_English with my colleagues?Answer: Yes. The purchased PDF of GB 8335-2011_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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