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GB/T 6490-2021 English PDF

Q: How long will the true-PDF of English version of GB/T 6490-2021 be delivered?

Upon your order, we will start to translate GB/T 6490-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 6490-2021_English with my colleagues?

Yes. The purchased PDF of GB/T 6490-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

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Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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Q: Should I purchase the latest version GB/T 6490-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6490-2021 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.

US$1259.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6490-2021: Water-turbine pump
Status: Valid

GB/T 6490: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6490-2021	1259	Add to Cart	8 days	Water-turbine pump	Valid
GB/T 6490-2008	RFQ	ASK	8 days	Water-turbine pump	Obsolete
GB/T 6490.1-2005	RFQ	ASK	9 days	Water-turbine pump -- Part 1: Vocabulary	Obsolete
GB/T 6490.1-1986	999	Add to Cart	6 days	Terms and definitions of water-turbine pumps	Obsolete

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GB/T 12785 GB/T 2818 GB 10395.19 GB/T 8097 GB/T 4330

Basic data

Standard ID: GB/T 6490-2021 (GB/T6490-2021)
Description (Translated English): Water-turbine pump
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Word Count Estimation: 63,678
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 6490-2021: Water-turbine pump

---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.
water-turbine pump ICS 65.060.35 CCSB91 National Standards of People's Republic of China Replacing GB/T 6490-2008 Turbo Pump Published on 2021-05-21 2021-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 6490-2008 "Water Turbine Pumps". Compared with GB/T 6490-2008, except for structural adjustments and editorial changes, The main technical changes are as follows. a) Modified the scope (see Chapter 1, Chapter 1 of the.2008 edition); b) Modified normative references (see Chapter 2, Chapter 2 of the.2008 edition); c) Modified the efficiency of the turbine pump (see 4.3, 4.3 of the.2008 edition); d) Added when the parameters of the turbine pump do not meet the requirements in Table 1 to Table 6 (see 4.3.4); e) Modified the requirements for the balance test of the rotating parts (see 5.6, 5.6 of the.2008 edition); f) Modified the requirements for turbine pump bearings (see 5.8.1, 5.8.1 of the.2008 edition); g) The repeated provisions on the sign of the rotation direction of the turbine pump (5.12 of the.2008 edition) have been deleted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201). This document is drafted by. Jiangsu University Fluid Machinery Engineering Technology Research Center, Zhejiang Provincial Pump Product Quality Inspection Center, Fujian Provincial Xixiangchao Hydraulic Machinery Co., Ltd., China Academy of Agricultural Mechanization, Zhejiang Qifeng Pump Co., Ltd., Hangzhou Slater Pump Co., Ltd. Company, National Pump and System Engineering Technology Research Center, Central South University of Forestry and Technology. The main drafters of this document. Ning Chao, Wang Yang, Chen Shengyuan, Chen Shengbo, Zhang Xiansheng, Jiang Renlong, Zhang Jiangping, Yuan Shouqi, Zhang Qizhi, Zhao Liwei, Cao Puyu and Tong Lindan. The previous versions of this document and its superseded documents are as follows. ---First published in 1986 as GB/T 6490.1-1986, GB/T 6490.2-1986, GB/T 6490.3-1986; ---The first revision in.2005 was GB/T 6490.1-2005, GB/T 6490.2-2005, GB/T 6490.3-2005; --- In the second revision in.2008, GB/T 6490.1~6490.3-2005 was merged into GB/T 6490-2008; ---This is the third revision. Turbo Pump

1 Scope

This document specifies the terms, definitions and symbols, types, models and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This document is applicable to the fields of agricultural irrigation, water supply and drainage, water conservancy and hydropower with a water head of 1m~35m and an overflow of 0.0318m3/s~ 13.4m3/s, the head is 2.5m~300m, the water flow is 3.7L/s~4030L/s, and the head ratio is 1~40. This document includes two levels of measurement accuracy. Level 1 for tests with higher accuracy, Level 2 for tests with lower accuracy, The two measurement accuracy levels contain different values of tolerance coefficients, allowable fluctuations and measurement uncertainty. This document applies only to turbo pumps used as water lifts. Other types of turbine pumps can be implemented by reference.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 191 Graphical signs of packaging, storage and transportation GB/T 1220 stainless steel rod GB/T 2828.1-2012 Counting Sampling Inspection Procedures Part 1.Lot-by-Lot Inspection Sampling Retrieved by Acceptance Quality Limit (AQL) plan GB/T 3077 Alloy Structural Steel GB/T 3214 Determination method of water pump flow GB/T 3216-2016 Rotary Power Pump Hydraulic Performance Acceptance Test Level 1, Level 2 and Level 3 GB/T 6388 Receipt and Delivery Marks for Transport Packaging GB/T 9239.1-2006 Mechanical vibration constant state (rigid) rotor balance quality requirements - Part 1.Specifications and balance tolerance test GB/T 9969 General Principles of Instruction Manual for Industrial Products GB 10395.8 Agricultural and Forestry Tractors and Machinery Safety Technical Requirements Part 8.Irrigation and Irrigation Pumps and Pump Units GB 10396 Agriculture and Forestry Tractors and Machinery Lawn and Garden Power Machinery Safety Signs and Hazard Graphics General GB/T 13306 Signs GB/T 13384 General technical conditions for packaging of mechanical and electrical products JB/T 5673 General technical conditions for painting of agricultural and forestry tractors and implements JB/T 6880.1 Gray iron castings for pumps JB/T 6880.2 Steel castings for pumps JB/T 6880.3 Castings for Pumps Part 3.Anti-abrasion White Iron Castings for Pumps 3 Terms, Definitions and Symbols The terms and definitions defined in GB/T 3216-2016 and the following terms and definitions apply to this document. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6490-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6490-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 6490-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6490-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 6490-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6490-2021 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.