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GB/T 38202-2019 English PDF

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US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38202-2019: Installation, operation, maintenance of fully welded body ball valve
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38202-2019	439	Add to Cart	4 days	Installation, operation, maintenance of fully welded body ball valve	Valid

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Basic data

Standard ID: GB/T 38202-2019 (GB/T38202-2019)
Description (Translated English): Installation, operation, maintenance of fully welded body ball valve
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J16
Classification of International Standard: 23.060.01
Word Count Estimation: 22,294
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 38202-2019: Installation, operation, maintenance of fully welded body ball valve

---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.
Installation, operation, maintenance of fully welded body ball valve ICS 23.060.01 J16 National Standards of People's Republic of China Installation and maintenance method of all welded ball valve 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 Installation 1 4.1 Pre-installation check 1 4.2 Monomer test pressure before installation 2 4.3 Ball valve maintenance before installation 2 4.4 Installation Process 3 4.5 Post-installation and debugging 4 5 use 6 5.1 General requirements 6 5.2 Manual Ball Valve Operation 7 5.3 Ball valve operation with actuator 7 6 Maintenance 8 6.1 Maintenance of in-service ball valves 8 6.2 Maintenance of user stock ball valves 10 7 overhaul 11 7.1 Conditions for overhaul 11 7.2 Ball valve leakage 11 7.3 Ball valve leakage 12 7.4 Ball Valve Common Faults and Treatment 12 Appendix A (informative) Recommended injection volume for cleaning fluid, grease and sealing grease for ball valve maintenance 13 Appendix B (informative) Common faults and treatment methods for ball valves and actuators 14

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Valve Standardization Technical Committee (SAC/TC188). This standard was drafted. Hefei General Machinery Research Institute Co., Ltd., Chengdu Chenggao Valve Co., Ltd., Shanghai Electric Valve Co., Ltd. Sichuan Feiqiu (Group) Co., Ltd., Wuzhou Valve Co., Ltd., China Petroleum Pipeline Co., Ltd. West Part Company, Shanghai Gao Medium Pressure Valve Co., Ltd., Zhejiang Bethel Technology Co., Ltd., Jiangsu Suyan Valve Machinery Co., Ltd., Kairuite Valve Industry Co., Ltd. Anhui Huainan Pingyi Power Generation Co., Ltd., Datong Mutual Group Co., Ltd., Yuanda Valve Group Co., Ltd., Liangzheng Valve Co., Ltd. Lianggong Valve Group Co., Ltd., Shengli Valve Co., Ltd. The main drafters of this standard. Cheng Honghui, Zeng Heyou, Cai Shoulian, Zhu Yongping, Wang Chunchen, Wang Lei, Deng Jilin, Lin Chao, Han Zhenghai, Li Yunlong, Yang Lixin, Jiao Xiaowei, Li Shiqiang, Feng Tao, Pan Chengtao, Li Liangwei. Installation and maintenance method of all welded ball valve

1 Scope

This standard specifies the methods for installation, use, maintenance and overhaul of fully welded ball valves for pipeline systems in the oil and gas industry. This standard applies to the nominal pressure PN16 ~ PN160, nominal size DN50 ~ DN1500, pressure class Class150~ Class900, nominal size NPS2~NPS60, flanged and welded joints for pipeline transportation systems for crude oil, refined oil and natural gas Connect the fully welded ball valve (hereinafter referred to as the ball valve).

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 1226-2017 general pressure gauge GB/T 21465 valve terminology GB/T 24919 industrial valve installation and maintenance general requirements GB/T 30818 all-welded ball valve for pipeline transportation systems in the oil and gas industry Construction specification of process pipeline engineering in GB 50540 oil and gas station

3 Terms and definitions

The terms and definitions defined in GB/T 21465 and GB/T 30818 apply to this document.

4 installation

4.1 Pre-installation inspection 4.1.1 Before installing the ball valve, check whether the product certificate, installation and operation manual, etc. are complete. At the same time, it should check the other accompanying arrival ball valve Attached materials, including delivery list, spare parts list, main parts quality certification documents, non-destructive testing reports, various inspection reports and tests Reports, etc. The integrity of the supply should be checked against the delivery list and the supplier should be contacted immediately if a leak is found. 4.1.2 The visual inspection of the ball valve shall be carried out before installation, and shall comply with GB/T 24919 and the following requirements. a) The packaging meets the requirements of the order contract, without damage or severe deformation. If there is damage, it should not be installed. b) The ball valve number meets the requirements of the order contract. The nameplate is complete and clear, and the label is correct. c) There are no cracks, mechanical damage, paint peeling, rust and other defects on the outer surface of the ball valve, as well as dirt, nameplate peeling and color mark inconsistency. The relevant signs on the valve body shall be correct, complete, clear and in accordance with the relevant standards. d) The ball valve is protected by a protective cover at both ends. There are no defects such as water accumulation, rust, dirt and damage in the valve body. The flange sealing surface should not have bumps and diameters. Scratches and other damages that affect the sealing performance; the weld end groove is intact and there should be no mechanical damage affecting the weld. e) The ball valve shall be in the “fully open” position unless otherwise specified. f) The main parts should be free from damage. If the valve stem should be smooth, there should be no defects such as burrs, dents and cracks. The exposed parts should be protected. Protection and so on. g) The grease filling valve, drain valve, vent valve, pressure relief valve, actuator and other accessories on the valve body should be complete and intact. h) There is no scratch on the ball valve seal. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38202-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38202-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 38202-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38202-2019_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.