GB/T 10886-2019 English PDF

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GB/T 10886-2019: Three screw pumps
Status: Valid

GB/T 10886: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10886-2019	439	Add to Cart	4 days	Three screw pumps	Valid
GB/T 10886-2002	399	Add to Cart	3 days	Three screw pumps	Obsolete
GB/T 10886-1989	RFQ	ASK	14 days	Types basic parameters of three screw pumps	Obsolete

Similar standards

JB/T 6879   GB/T 7782   JB/T 13977   GB/T 45819   GB/T 13929   

Basic data

Standard ID: GB/T 10886-2019 (GB/T10886-2019)
Description (Translated English): Three screw pumps
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J71
Classification of International Standard: 23.080
Word Count Estimation: 22,268
Date of Issue: 2019-10-18
Date of Implementation: 2020-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 10886-2019: Three screw 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.
Three screw pumps ICS 23.080 J71 National Standards of People's Republic of China Replace GB/T 10886-2002 Three screw pump Published on.2019-10-18 2020-05-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 type and model 1 4.1 Type 1 4.2 Model 1 5 Requirements 2 5.1 General requirements 2 5.2 Performance 3 5.3 Cleanliness 3 5.4 Material 3 5.5 Casting 4 5.6 Welded parts 4 5.7 bearing 5 5.8 shaft seal 5 5.9 Safety valve 5 5.10 Pump body and interface 5 5.11 Assembly 6 5.12 Couplings and shrouds 7 5.13 Driver 7 5.14 Painting 7 5.15 Intelligent Control, Alarm, and Shutdown System 7 6 Test method 8 6.1 Hydraulic test 8 6.2 Machine test 8 6.3 Cleanliness test 9 7 Inspection rules 9 7.1 Material Inspection 9 7.2 Type inspection 9 7.3 Factory inspection 9 7.4 Final inspection 10 7.5 Inspection record 10 8 Complete sets, signs, packaging, transportation, storage 10 8.1 Complete set 10 8.2 Mark 11 8.3 Packing 11 8.4 Transportation 11 8.5 Storage 12 9 Guarantee 12 Appendix A (informative) Three-screw pump basic data sheet format 13 Reference 15

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 10886-2002 "Three-screw pump". Compared with GB/T 10886-2002, the main technical changes of this standard are as follows. --- Increased general requirements for pump product design and use (see 5.1); --- Increase the efficiency index reference table of the pump rated operating point (see Table 1); --- Modified the composition and mechanical properties of the main and driven screw materials (see Table 2, Table 3, Table 4, Table 2, Table 3, Table of the.2002 edition) 4); --- Remove the screw, bushing, pump body material using QT450-2 regulations (see Table 5, Table 6 of the.2002 edition), using national standard materials QT450-10 replacement (see Table 2); --- Increased the requirement that the user should indicate any corrosive factors (quantitative) that appear in the process medium and the environment in the contract. (see 5.4.3); --- Bearing rated working condition, under normal continuous running conditions, the design calculation life ≥17500h is modified to ≥25000h (see 5.7.4, 4.9.3 of the.2002 edition); --- Increase the specific amount of mechanical seal leakage at the shaft seal (see 5.8.1); --- Increased the pump body should be able to withstand certain pipe loads and thermal expansion caused by external forces and external torque (see 5.10.5, Table 5); --- Increased requirements for intelligent control, alarm, and shutdown systems (see 5.15); --- Added the basic data sheet format of the three-screw pump (see Appendix A). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Pump Standardization Technical Committee (SAC/TC211). This standard was drafted. Tianjin Pump Industry Machinery Group Co., Ltd., Huangshan Industrial Pump Manufacturing Co., Ltd., Hebei Hengsheng Pump Industry Co., Ltd. Company, Nanjing Industrial Pump Factory, Hangzhou Xinglong Pump Co., Ltd., China Petroleum Pipeline Engineering Co., Ltd. Shenyang Branch. The main drafters of this standard. Ma Shiguang, Gan Zhiqiang, Wang Jinlai, Wang Yang, Wang Xu, Zhu Bin, Zheng Guosheng, Jin China, Zhao Wei. The previous versions of the standards replaced by this standard are. ---GB/T 10886-1989, GB/T 10886-2002; ---GB/T 10887-1989. Three screw pump

1 Scope

This standard specifies the type and type of the three-screw pump (hereinafter referred to as the pump), requirements, test methods, inspection rules, sets, signs, packaging, Transportation, storage and guarantees. This standard applies to pumps that do not contain solid particles and have a lubricious liquid.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 9112 Steel Pipe Flange Types and Parameters GB/T 13306 signage General technical conditions for GB/T 13384 mechanical and electrical product packaging GB/T 17241.1 cast iron pipe flange type GB/T 29529-2013 Method for measuring and evaluating noise of pumps GB/T 29531-2013 Pump vibration measurement and evaluation method JB/T 4297 pump product painting technical conditions JB/T 6913 Pump Product Cleanliness JB/T 8091 screw pump test method JB/T 8687 Pump Product Sampling Inspection

3 Terms and definitions

The terms and definitions defined by JB/T 8091 apply to this document.

4 type and model

4.1 type According to the provisions of this standard, the pump can be made into the following types. ---Single suction pedestal type; ---Single suction side disc type; ---Single suction vertical suspension; ---Single suction column foot. ---Double suction horizontal base type; ---Double suction column foot. 4.2 Model The model number can be expressed by the following Chinese pinyin letters, numbers and symbols to indicate the pump model, meaning pump type, purpose, medium ......

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