GB/T 13006-2013 English PDF

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GB/T 13006-2013: NPSH for centrifugal, mixed flow and axial flow pumps
Status: Valid

GB/T 13006: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13006-2013	329	Add to Cart	3 days	NPSH for centrifugal, mixed flow and axial flow pumps	Valid
GB/T 13006-1991	479	Add to Cart	4 days	NPSH for centrifugal, mixed flow and axial pumps	Obsolete

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JB/T 6879   GB/T 7782   JB/T 13977   GB/T 45819   GB/T 13007   GB/T 13008   

Basic data

Standard ID: GB/T 13006-2013 (GB/T13006-2013)
Description (Translated English): NPSH for centrifugal, mixed flow and axial flow pumps
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J71
Classification of International Standard: 23.080
Word Count Estimation: 14,115
Older Standard (superseded by this standard): GB/T 13006-1991
Quoted Standard: GB/T 7021
Regulation (derived from): National Standards Bulletin No. 25 of 2013
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 centrifugal, mixed flow and axial (hereinafter referred to as the pump) NPSH NPSH3 indicators. This standard applies to single-phase liquid delivery pump.

GB/T 13006-2013: NPSH for centrifugal, mixed flow and axial flow pumps

---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.
NPSH for centrifugal, mixed flow and axial flow pumps ICS 23.080 J71 National Standards of People's Republic of China Replacing GB/T 13006-1991 Centrifugal, mixed flow and axial pumps NPSH Issued on. 2013-12-17 2014-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 13006-1991 "centrifugal, mixed flow and axial pumps NPSH" and GB/T 13006-1991 phase Ratio, in addition to editorial changes outside the main technical differences are as follows. --- Revised Chapter 3 (see 3, 1991 edition of 3); --- Added Appendix A. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee pump (SAC/TC211) centralized. This standard was drafted. Shenyang Blower Works Group Co., Ltd., Shenyang corrosion resistant alloy pump Ltd., Shanghai Liancheng (Group) Ltd., Seiko Boshan Pump Co., Ltd., Shanghai Electric Power Plant Co., Ltd. built, Hai Kai-chuen, Pump (Group) Co., Ltd. Haikai Disabilities than the pump Ltd., Ebara Great Pumps Co., Ltd., Hunan Changsha Pump Electric Co., Ltd., Hefei Xinhu Canned Motor Pump Company Limited Division Jiangsu Wu New Pump Manufacturing Co., Tongtai Pump Co., Ltd., Zhejiang, Shandong Yanshanpumps Co., Ltd. Shandong Bo pump technology shares have Ltd., Zhejiang Pump Technology Co., Ltd., Shenyang Institute of pumps. The main drafters of this standard. in one hundred Fang, 齐兴珮, Song Qingsong, Li Juan, Zheng Yu, Lu Xining, then Pan Bing, Qu King, Li Qian, Wang thin right, Liujin Kun, covered snow crystal, Han Feng Jie, Dilu Tao, Chen Qian, Joe obtuse. This standard replaces the standards previously issued as follows. --- GB/T 13006-1991. Centrifugal, mixed flow and axial pumps NPSH

1 Scope

This standard specifies the centrifugal, mixed flow and axial pumps (hereinafter referred to as the pump) NPSH NPSH3 indicators. This standard applies to single-phase liquid delivery pump.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 7021 centrifugal Terminology

3 Terms and Definitions

GB/T 7021 defined by the following terms and definitions apply to this document. 3.1 NPSH3 The first stage lift pump NPSH fell 3% as the reference standard used to represent the performance curves. 4 NPSH NPSH3 4.1 NPSH3 standard is based on the reference value of clean cold water for the specified test point, the scope of application of the pump is. a) general centrifugal pump. specific speed ns = 50 ~ 300 (or type the number of K = 0.26 ~ 1.55), single-stage lift H = 6m ~ 180m; b) the condensate pump. single suction flow rate Q = 20m3/h ~ 1800m3/h (or double suction flow rate Q = 40m3/h ~ 3600m3/h), speed n = 500r/min ~ 3500r/min; c) mixed flow and axial pumps. specific speed ns = 250 ~ 1400 (or type the number of K = 1.29 ~ 7.25), head H = 1.2m ~ 30m. 4.2 NPSH3 value should be based on the structure of the pump is determined by the following provisions. a) single-suction cantilever pump NPSH3 values \u200b\u200bshown in Figure 1 or 2; b) axis through the suction port of the pump impeller single-suction NPSH3 values \u200b\u200bshown in Figure 3 or 4; c) double-suction pumps NPSH3 values \u200b\u200bshown in Figure 5 or 6; d) the following three axes through the impeller inlet condensate pump NPSH3 values \u200b\u200bshown in Figure 7. For single-suction cantilever impeller Fig. 7, when the flow Less than or equal to 90m3/h, the flow should be divided by 1.2; when the flow is greater than 90m3/h, the flow should be divided by 1.15; e) single-suction mixed flow and axial NPSH3 value of Figure 8 or 9. 4.3 When you press 1, 3, 5 and 8 investigation NPSH3 Fig value of less than 2m, NPSH3 its value should be less than 2m. 4.4 When you press Figs. 1, 3 and 5 check ns < 50 (or K < 0.26) of NPSH3 value, its value should not be greater than NPSH3 ns = 50 (or K = 0.26) value. Richard NPSH3 value of 4.5 should be accurate to the first decimal place. 4.6 NPSH3 value should be less than or equal to determine the provisions required NPSH NPSHR.

5 Application Method

5.1 Figs. 1, 3, 5 and 8 are based on the known head and specific speed (or type number), make a vertical line head with specific speed (or type ......

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