GB/T 29461-2012 English PDF

US$299.00 · In stock
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GB/T 29461-2012: [Including 2022XG1] Ultrasonic testing for electrofusion joint of polyethylene pipe
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29461-2012	299	Add to Cart	3 days	[Including 2022XG1] Ultrasonic testing for electrofusion joint of polyethylene pipe	Valid

Similar standards

GB/T 29712   GB/T 26957   GB/T 27552   GB/T 13815.1   GB/T 10859.1   GB/T 29460   

Basic data

Standard ID: GB/T 29461-2012 (GB/T29461-2012)
Description (Translated English): [Including 2022XG1] Ultrasonic testing for electrofusion joint of polyethylene pipe
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J33
Classification of International Standard: 25.160.40
Word Count Estimation: 13,159
Quoted Standard: GB/T 9445; GB/T 12604.1; GB 15558.2; GB/T 29460; " special equipment nondestructive evaluation and supervision and management personnel rules " national quality pot Zi [2003 ] No. 248 Wen
Regulation (derived from): National Standard Announcement 2012 No.42
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 polyethylene pipe fused joints ultrasonic testing, General requirements, detection program, acceptance criteria and test report. This standard applies to nominal diameter polyethylene pipe ultrasonic testi

GB/T 29461-2012: [Including 2022XG1] Ultrasonic testing for electrofusion joint of polyethylene pipe

---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.
Ultrasonic testing for electrofusion joint of polyethylene pipe ICS 25.160.40 J33 National Standards of People's Republic of China Polyethylene pipe fused joints ultrasonic testing Issued on. 2012-12-31 2013-07-01 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 by the National Standardization Technical Committee of the boiler pressure vessel (SAC/TC262) and focal points. This standard was drafted. Zhejiang University, Zhejiang Institute of Special Equipment Inspection, AQSIQ Special Equipment Safety Supervision Bureau, China Special Equipment Inspection and Research Institute, Zhejiang Technology Co., Ltd. in fiscal pipeline. The main drafters of this standard. Zheng Jinyang, Guowei Can, Shi Jianfeng Ding Shou-bao, GAO Ji Xuan, Xu Ping, Hu Bin, Ding Liangyu, Li Xiang, Wang Xiaomei. This standard was first formulated. Polyethylene pipe fused joints ultrasonic testing

1 Scope

This standard specifies the terms and definitions polyethylene pipe fused joints ultrasonic inspection, general requirements, testing procedures, acceptance criteria and testing report. This standard applies to nominal diameter polyethylene pipe ultrasonic inspection of 40mm ~ 400mm fused joints.

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 9445 NDT personnel qualification and certification GB/T 12604.1 Terminology for nondestructive testing Ultrasonic testing GB 15558.2 Buried polyethylene (PE) piping systems - Part 2. Fittings GB/T 29460 Containing Defects polyethylene pipe fittings fused safety assessment "Special equipment nondestructive examination and supervision personnel management rules" national quality inspection pot word [2003] No. 248 text

3 Terms and Definitions

GB/T 9445, the terms and definitions GB/T 12604.1, GB 15558.2, GB/T 29460 apply to this document defined.

4 General requirements

4.1 ultrasonic testing personnel Ultrasonic testing personnel engaged fused polyethylene pressure pipe joints should be GB/T 9445 and the relevant provisions of the requirements of the industrial sector Qualification and certification and obtain appropriate certificate. Each level of qualification achieved ultrasonic testing personnel, only in the level of qualification phase Non-destructive testing should work, and take corresponding technical responsibility. Inspectors should understand the characteristics of polyethylene pipes, welding technology and manufacturing processes, Polyethylene pipe joints fused by ultrasonic testing professional and technical training, and independent ultrasonic testing fused polyethylene pipe joints. 4.2 Testing Equipment 4.2.1 system performance testing equipment shall meet the following requirements. a) horizontal linearity error is less than 1%; b) Vertical linearity error of less than 5%; c) gain range of not less than 30dB; d) when it reaches the maximum detection probe workpiece sound path, the effective sensitivity margin of not less than 10dB. 4.2.2 Test equipment should have real-time B-scan imaging, real-time display brightness of the two-dimensional ultrasound fused joint longitudinal section (or color Color) image, and the image size with a measurement function. 4.3 Probe 4.3.1 fused polyethylene pipe joints should be focused ultrasound probe, the priority focus phased array probe. ......

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