GB/T 15185-2016 PDF EnglishUS$90.00 · In stock · Download in 9 seconds
GB/T 15185-2016: Flanged Iron and Copper Ball Valves 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/T 15185: Historical versions
Similar standardsGB/T 15185-2016: Flanged Iron and Copper Ball Valves---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/GBT15185-2016GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 23.060.10 J 16 Partly replacing GB/T 15185-1994 Flanged Iron and Copper Ball Valves Issued on: AUGUST 29, 2016 Implemented on: MARCH 1, 2017 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of ContentsForeword ... 3 1 Application Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 5 4 Structures ... 5 5 Technical Requirements ... 7 6 Test Methods and Inspection Rules ... 11 7 Marking ... 13 8 Packaging, Transportation and Storage ... 13ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 15185-1994, Cast Iron and Copper Alloy Ball Valves. This Standard replaces the flanged ball valves part of GB/T 15185-1994; GB/T 8464- 2008 replaces the threaded ball valves part of GB/T 15185-1994. Compared with GB/T 15185-1994, the major technical differences of this Standard are as follows. -- it modifies the standard name (see cover and page 1; cover and page 1 of edition 1994); -- it modifies the scope of nominal dimensions (Article 1; Article 1 of edition 1994); -- it adds the correlation between pressure and temperature (see Article 1); -- it modifies Figure 1 and Figure 2 (see Article 4; Article 4 of edition 1994); -- it deletes the diagrams of the structures of ball valve body (5.2 of edition 1884); -- it adds the measurement of valve body wall thickness (6.2.3); -- it adds the mechanical property test (see 6.2.5); -- it deletes the requirements for fire resistance (5.7 of edition 1994); -- it deletes the requirements for cleanliness (5.8 of edition 1994). This Standard was proposed by China Machinery Industry Federation. This Standard shall be under the jurisdiction of the National Standardization Technical Committee on Valves (SAC/TC 188). The responsible drafting organizations of this Standard. Hefei Tongyong Environmental Control Technology Co., Ltd., Taizhou Special Equipment Supervision and Inspection Center, Zhejiang Yongyuan Valve Co., Ltd., The contributory drafting organizations of this Standard. Zhejiang Dunan Valve Co., Ltd., Zhejiang Wandekai Copper Industry Co., Ltd., Zhejiang Electromechanical Products Quality Testing Institute, Henan Gaoshan Valves Co., Ltd., Anhui Fangxing Industry (Group) Co., Ltd., Ningbo Amico Copper Valves Manufacturing Inc. The main drafters of this Standard. Song Zhongrong, Li Longjun, Li Haiping, Zhu Xinyan, Zha Zhao, Shen Yunbiao, Yang Quanqing, Jiang Jianqian, Zheng Xuezhen. The edition of the standard replaced by this Standard is as follows. -- GB/T 15185-1994. Flanged Iron and Copper Ball Valves1 Application ScopeThis Standard specifies the structures, technical requirements, test methods, inspection rules and marking, packaging and storage of flanged iron and copper ball valves. This Standard applies to flanged iron and copper ball valves. The parameters of applicable valves include. grey cast iron ball valves of nominal dimension DN50 ~ DN300, working temperature -10°C ~ 200°C and nominal pressure not greater than PN10; grey cast iron ball valves of working temperature -10°C ~ 100°C and nominal pressure not greater than PN16; spheroidal graphite cast iron ball valves of working temperature -10°C ~ 300°C and nominal pressure not greater than PN25; copper alloy ball valves of working temperature -40°C ~ 180°C and nominal pressure not greater than PN25. The working media include water, non-corrosive liquid, gas and saturated steam and so on. For ball valves of other connections, this Standard can also be used as reference.2 Normative ReferencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this Standard. GB/T 228.1, Metallic Materials – Tensile Testing – Part 1. Method for Test at Room Temperature GB/T 12220, Industrial Valves – Marking GB/T 12221, Metal Valves – Face to Face, End to End, Center to Face and Center to End Dimensions GB/T 12223, Part-turn Valve Actuator Attachments GB/T 12225, General Purpose Industrial Valves - Specification of Copper Alloy Castings GB/T 12226, General Purpose Industrial Valve – Specification of Flake Graphite Iron Castings GB/T 12227, General Purpose Industrial Valve – Specification of Spheroidal Graphite Iron Castings GB/T 13927, Industrial Valves – Pressure Testing GB/T 15530.1, Cast Copper Alloy Integral Flanges GB/T 15530.8, Specifications for Copper Alloy and Composite Flanges GB/T 17241.6, Integral Cast Iron Pipe Flanges GB/T 17241.7, Specifications for Cast Iron Pipe Flanges GB 26640, Specification for Minimal Thickness of the Shell of Valves JB/T 5300, General Purpose Industrial Valves Material – Selection Guideline JB/T 7928, Industrial Valves – Delivery Specification3 Terms and DefinitionsFor the purposes of this document, the following terms and definitions apply. 3.1 anti-static device a structure which ensures the conductivity between valve body, valve ball and valve stem4 StructuresThe structures of ball valves can be classified into float ball valves and fixed ball valves. The typical structures are as shown in Figure 1 and Figure 2.6 Test Methods and Inspection Rules6.1 If no other additional inspection requirements in the ordering contract, the inspection content of the purchaser is as follows. a) inspection of valves during assembly using nondestructive test method; b) examination of “manufacturing records”, “heat treatment records” and so on; c) pressure test. 6.2 Test methods 6.2.1 Shell test The test for the shell of ball valves shall be as specified in GB/T 13927. 6.2.2 Sealing test Sealing test shall be as specified in GB/T 13927. 6.2.3 Valve body wall thickness measurement Use thickness gauge or special calipers to measure the wall thickness of valve body. 6.2.4 Material chemical composition analysis Drill on valve body to obtain cuttings for analysis or use direct-reading spectrum analyzer for analysis. 6.2.5 Mechanical property Use test bars of the same furnace number and the same batch for heat treatment as that of valve body, or use test bars cast along with valve body, as specified in GB/T 228.1. 6.2.6 Anti-static test For ball valves required to have anti-static structure, anti-static test shall be carried out as specified in 5.8. 6.2.7 Valve body marking inspection Carry out visual inspection for the cast or printed marking content on the surface of valve body. 6.3 Inspection rules 6.3.1 Inspection items ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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