GB/T 13929-2024 English PDFUS$359.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 13929-2024: Water ring vacuum pumps and compressors - Testing method Status: Valid GB/T 13929: Historical versions
Basic dataStandard ID: GB/T 13929-2024 (GB/T13929-2024)Description (Translated English): Water ring vacuum pumps and compressors - Testing method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J71 Classification of International Standard: 23.080 Word Count Estimation: 18,133 Date of Issue: 2024-04-25 Date of Implementation: 2024-08-01 Older Standard (superseded by this standard): GB/T 13929-2010 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 13929-2024: Water ring vacuum pumps and compressors - Testing method---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.ICS 23:080 CCSJ71 National Standards of People's Republic of China Replace GB/T 13929-2010 Test methods for water ring vacuum pumps and water ring compressors Released on 2024-04-25 2024-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Test methods 2 4:1 Test type 2 4:2 Test medium and working fluid 2 4:3 Test instrument uncertainty 2 4:4 Test apparatus 2 4:5 Test conditions 3 4:6 Operation test 4 4:7 Performance test 4 4:8 Factory test 4 5 Measurement and calculation of isothermal compression efficiency 5 5:1 Measurement of gas volume 5 5:2 Measurement of suction pressure (vacuum degree) 5 5:3 Measurement of discharge pressure 5 5:4 Measurement of rotation speed 5 5:5 Measurement of shaft power 6 5:6 Measurement of water supply 6 5:7 Temperature Measurement 6 5:8 Measurement of ambient air pressure and relative humidity 6 5:9 Measurement of vibration and noise 6 5:10 Calculation of isothermal compression efficiency 7 6 Conversion of test results 7 6:1 General 7 6:2 Performance conversion of pump under specified conditions 7 7 Performance Curve 8 8 Measurement uncertainty and performance tolerance 8 8:1 Overview 8 8:2 Evaluation of random uncertainty 9 8:3 Evaluation of System Uncertainty 9 8:4 Overall uncertainty 9 8:5 Performance Tolerance 9 9 Test Report 10 Figure 1 Schematic diagram of the test device 3 Table 1 Relative allowable range of system uncertainty eS 2 Table 2 Permissible fluctuation range, expressed as a percentage of the average value of the measured parameters 3 Table 3 Allowable fluctuation range of overall uncertainty 9ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 13929-2010 "Test methods for water ring vacuum pumps and water ring compressors" and is consistent with GB/T 13929-2010: In addition to structural adjustments and editorial changes, the main technical changes are as follows: --- Changed the terms and definitions (see Chapter 3, Chapter 3 of the:2010 edition); --- Changed the requirements for test instrument accuracy (see 4:3, 4:3 of the:2010 edition); --- The schematic diagram of the test device has been changed (see 4:4:1, 4:4:1 of the:2010 edition); --- Deleted the condition that the maximum allowable fluctuation range can be larger than the specified value (see 4:5:4 of the:2010 edition); --- Deleted the stability conditions of the test (see 4:5:5 of the:2010 edition); --- Deleted the content of unstable conditions and the limit of variation between repeated measurement results of the same quantity (see 4:5:6 and Table 2 of the:2010 edition); --- Added the provisions for the performance test points of two-stage water ring vacuum pumps (see 4:7:2); --- Changed the provisions for measuring points of two-stage water ring vacuum pumps during factory inspection (see 4:8:2, 4:7:4 of the:2010 edition); --- Added provisions for vibration and noise measurement points during factory inspection (see 4:8:2) --- Added the measurement of intake air temperature (see 5:7); --- Added temperature conversion factor (see 6:2:1); --- Added provisions for calculation and assessment of random uncertainty (see 8:2); --- Added the derivation formula for the overall uncertainty value (see 8:4): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Machinery Industry Federation: This document is under the jurisdiction of the National Pump Standardization Technical Committee (SAC/TC211): This document was drafted by: Zibo Water Ring Vacuum Pump Factory Co:, Ltd:, Guangdong Kenfulai Pump Industry Co:, Ltd:, Xi'an Pump and Valve General Factory Co:, Ltd: Company, Zibo Vacuum Equipment Factory Co:, Ltd:, Jiangsu University, Hubei Tongfang High-tech Pump Co:, Ltd:, Luyang Precision Vacuum Technology (Zibo) Co:, Ltd: Company, Zhejiang Province Mechanical and Electrical Products Quality Inspection Institute Co:, Ltd:, Shenyang Huake Pump Manufacturing Co:, Ltd:, Wuhan Special Industrial Pump Factory Co:, Ltd:, Frog Pump Industry Co:, Ltd:, Boshan Pump Manufacturing Plant, Beide Technology Group Co:, Ltd:, Shandong Boco Vacuum Technology Co:, Ltd:, Shenzhen Hua Xing Hengtai Pump & Valve Co:, Ltd:, Zhejiang Haihong Electromechanical Technology Co:, Ltd:, and Shenyang Pump Research Institute Co:, Ltd: The main drafters of this document are: Jing Yanbo, Jiang Congxian, Mo Yushi, Wei Qingxi, Liu Jirui, Li Mingyi, Huang Feng, Xu Fajian, Huang Zhiting, Li Juan, Sheng Yingying, Cai Zhenyu, Yang Pinghui, Nie Guojun, Sun Zetong, Luo Weihua, Sun Meng, Xiong Yingshen, Zheng Bin, Dong Qinmin, Yu Jiafei: This document was first issued in:1992, revised for the first time in:2010, and this is the second revision: Test methods for water ring vacuum pumps and water ring compressors1 ScopeThis document describes the test methods, measurements and isothermal compression of water ring vacuum pumps and water ring compressors (hereinafter referred to as pumps without distinction): The calculation method of efficiency and conversion method of test results are specified, and the performance curve, measurement uncertainty, performance tolerance and test report content are specified: This document applies to the pump itself without any piping accessories, and also to the pump connected to all or part of the upstream and/or downstream piping accessories: combination: This document applies to pump tests using water as the working fluid and ambient air as the test medium: For reference when testing liquids:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 1032-2023 Test methods for three-phase asynchronous motors GB/T 3216-2016 Acceptance test for hydraulic performance of rotary dynamic pumps Level 1, Level 2 and Level 3 GB/T 13930 Method for determination of gas volume of water ring vacuum pumps and water ring compressors GB/T 29529 Pump noise measurement and evaluation method GB/T 29531 Pump vibration measurement and evaluation method JB/T 7255 Water ring vacuum pump and water ring compressor3 Terms and definitionsThe terms and definitions defined in JB/T 7255 and the following apply to this document: 3:1 Running test running test Check whether the temperature rise of the pump bearing is normal and whether there is any leakage in the sealing parts of the pump: 3:2 performance test < Water Ring Vacuum Pump> Test to determine the relationship between suction pressure, gas volume, speed, shaft power and isothermal compression efficiency: < Water Ring Compressor> Test to determine the relationship between discharge pressure, gas volume, speed, shaft power and isothermal compression efficiency: 3:3 Motor input power motorinputpower The power absorbed by the motor: 3:4 specifiedpoint < Water Ring Vacuum Pump> The point on the performance curve determined by the specified suction pressure and the specified gas volume: < Water Ring Compressor> The point on the performance curve determined by the specified discharge pressure and the specified gas volume: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 13929-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 13929-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 13929-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13929-2024 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. |
