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GB/T 14525-2010 English PDF

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GB/T 14525-2010: General specification for corrugated metal hose assemblies
Status: Valid

GB/T 14525: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14525-2010English489 Add to Cart 4 days [Need to translate] General specification for corrugated metal hose assemblies Valid GB/T 14525-2010
GB/T 14525-1993English559 Add to Cart 4 days [Need to translate] General specification for corrugated metallic hose assemblies Obsolete GB/T 14525-1993

PDF similar to GB/T 14525-2010


Standard similar to GB/T 14525-2010

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Basic data

Standard ID GB/T 14525-2010 (GB/T14525-2010)
Description (Translated English) General specification for corrugated metal hose assemblies
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J15
Classification of International Standard 23.040.70
Word Count Estimation 21,216
Date of Issue 1/10/2011
Date of Implementation 10/1/2011
Older Standard (superseded by this standard) GB/T 14525-1993
Quoted Standard GB/T 191; GB/T 699; GB/T 700; GB/T 1220; GB/T 3089; GB/T 3280; GB/T 3323; GB/T 4226; GB/T 4240; GB/T 12230; JB/T 4730.2; JB/T 4730.5
Regulation (derived from) Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1
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 terms and definitions of corrugated metal hose, classification, requirements, test methods, inspection rules, marking, packaging, transport and storage. This Standard is applicable to piping systems to compensate for the displacement and misalignment, absorb vibration and reduce noise by using corrugated metal hose.

GB/T 14525-2010: General specification for corrugated metal hose assemblies

---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.
General specification for corrugated metal hose assemblies ICS 23.040.70 J15 National Standards of People's Republic of China Replacing GB/T 14525-1993 Corrugated metal hose general technical conditions Issued on. 2011-01-10 2011-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Category 3 5 Requirements 4 6 10 test method 7 Inspection rules 13 8 signs, packaging, transportation and storage 14 Appendix A (informative) Maximum permissible working pressure of the hose 16 Appendix B (normative) nets bursting pressure check 17

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 14525-1993 "corrugated metal hose general technical conditions." This standard and GB/T 14525-1993 compared to the main changes are as follows. --- Increasing the reinforced bellows, ribbon nets, fittings and flexible terms and definitions section length; --- Increasing the nominal size DN700 and DN800 hose design pressure Ps by the scope expanded to 32MPa 35MPa, and Adjust the hose Common Specifications; --- Increased hose classification; --- Adjust the common material grade hose, increasing the control of old and new grades of material; --- Increased material, welding and forming requirements; --- Adjust the non-destructive testing requirements and methods for welds; --- Modify the terms of the pressure test, the lower pressure hoses instead of allowing the use of air pressure test pressure test, pressure test pressure 1.15 times the design pressure Ps; --- Increased hose static bending performance requirements and test methods, increase the weld non-destructive testing and static bending test items, and clearly A static bending and burst test, keep the total number of type test specimen 3 unchanged; --- Adjust the number of dynamic bending hose U-table, part of the original 7000 increased to 8,000, a clear swing bending times, According to ISO 10380.2003 modified swing bending test requirements; --- Proposed minimum length requirement of individual static bending and individual specimens and blasting formulas; --- The "normal production every three years" type test one of the conditions to adjust to "normal production every four years", and pressure piping system components Making license is valid for four years consistent; --- Modify the informative appendix "hose maximum allowable working pressure" (see Appendix A); --- Canceled a standard Appendix B "Hose swing bending test," adds normative appendix "nets burst pressure check" (see Appendix B). The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee pipe accessories. This standard was drafted. Aerosun Corporation, CMC Productivity Promotion Center, the State Quality Supervision, Inspection instrumentation components Inspection center, Ted Qinhuangdao City of Industry Technology Co., Ltd. Langfang Development Zone Capital Aerospace Bellows Factory, Ningbo Xingjian Bellows Ltd., Shen Shenyang Academy of Instrumentation Science. The main drafters of this standard. Chen standard, money Yun Shan, Li Junying, YU Zhen Yi, Chenguang Bin, Han Jie, Shen CA, Huangnai Ning, Wang Yongqiang, Feng Feng. This standard replaces the standards previously issued as follows. --- GB/T 14525-1993. Corrugated metal hose general technical conditions

1 Scope

This standard specifies the terms and definitions corrugated metal hose, classification, requirements, test methods, inspection rules, marking, packaging, transport and Storage. This standard applies to the piping system to compensate for displacement and misalignment, absorb vibration and reduce noise used corrugated metal hose (with Hereinafter referred to as hose).

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 191 Packaging - Pictorial signs GB/T 699 high-quality carbon structural steel GB/T 700 carbon structural steel GB/T 1220 stainless steel rods GB/T 3089 thin-walled seamless stainless steel pole GB/T 3280 stainless steel cold-rolled steel sheet and strip GB/T 3323 metal fusion welded joints radiography GB/T 4226 stainless steel cold steel bars GB/T 4240 stainless steel wire GB/T 12230 Universal valves stainless steel castings JB/T 4730.2 Non-destructive testing of pressure equipments - Part 2. ray detector JB/T 4730.5 Non-destructive testing of pressure equipments - Part 5. penetrant testing

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Tube Tubularblank There are no longitudinal welds or weld metal pipe for the manufacture of bellows. 3.2 Bellows corrugatedtube Bus corrugated tubular housing. 3.3 Spiral bellows helicalcorrugatedtube Corrugated spirally corrugated tube (see Figure 1).

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