Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 45821-2025 English PDF

US$459.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45821-2025: Turbine compressors for ammonia and urea plant
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 45821-2025459 Add to Cart 4 days Turbine compressors for ammonia and urea plant Valid

Similar standards

GB/T 13277.1   GB/T 4976   GB/T 33625   GB/T 45785   GB/T 45820   

Basic data

Standard ID: GB/T 45821-2025 (GB/T45821-2025)
Description (Translated English): Turbine compressors for ammonia and urea plant
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J72
Classification of International Standard: 23.120
Word Count Estimation: 22,299
Date of Issue: 2025-05-30
Date of Implementation: 2025-05-30
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45821-2025: Turbine compressors for ammonia and urea plant

---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.
ICS 23.120 CCSJ72 National Standard of the People's Republic of China Turbo compressors for fertilizer plants Released on 2025-05-30 2025-05-30 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Abbreviations 2 5 Category 2 5.1 Fertilizer plant 2 5.2 Compressors for synthetic ammonia plants 3 5.3 Compressors for urea plants 3 5.4 Compressors for nitric acid plants 3 6 Technical Requirements 3 6.1 General requirements 3 6.2 Mechanical structure 3 6.3 Aerodynamic performance 5 6.4 Rotor dynamics 5 6.5 Materials 6 6.6 Painting 6 6.7 Auxiliary equipment 6 6.8 Automatic Control and Remote Monitoring 9 6.9 Mechanical properties evaluation 11 7 Test methods 12 7.1 General requirements 12 7.2 Aerodynamic performance calibration 12 7.3 Noise 13 8 Inspection Rules 13 8.1 General requirements 13 8.2 Factory Inspection 14 9 Packaging, transportation and storage 15 9.1 Packaging 15 9.2 Transportation16 9.3 Storage 16 Reference 17

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Fans (SAC/TC187). This document was drafted by. Shenyang Blower Group Co., Ltd., Shenyang Turbine Machinery Co., Ltd., Xi'an Jiaotong University, Shenyang Blower Institute (Co., Ltd.), China Wuhuan Engineering Co., Ltd., Saiding Engineering Co., Ltd., Donghua Engineering Technology Co., Ltd., Shandong Province Zhang Qiu Blower Co., Ltd., Hubei Sanfeng Turbine Equipment Co., Ltd., Shanghai Electric Blower Factory Co., Ltd., Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd., Northeastern University, Henan Xinlianxin Chemical Industry Group Co., Ltd., Xi'an Shaangu Power Co., Ltd. company. The main drafters of this document are. Zhang Yong, Qi Zhigang, Xi Guang, Yang Shuhua, Sun Yuying, Sun Jingwei, Zhao Pusheng, Chen Xiaosong, Zhang Shengtao, Zheng Zihao, Yang Zhihuan, Wang Libo, Li Chaofeng, Gu Zhaohui, Zhang Shuang, Chen Xu, Hao Yuming, Li Yuhong, An Zhiwei, Wu Ziting, Li Yaozu, Ge Liling, Hua Rui, Wang Yubo, Guo Feihu, Li Shengjun, Liu Yichen, Bai Hongming, Guo Yang. Turbo compressors for fertilizer plants

1 Scope

This document specifies the technical requirements, test methods, inspection rules, packaging, transportation and storage of turbo compressors used in fertilizer plants. This document applies to air compressors, raw gas compressors, synthesis gas compressors, ammonia compressors, and carbon dioxide compressors for fertilizer plants. Manufacturing of turbo compressors (referred to as “compressors”) such as turbo compressors and nitrogen oxide compressors. This document does not apply to integrally geared centrifugal compressors.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 755 Ratings and performance of rotating electrical machines GB/T 1174 Casting bearing alloys GB/T 3141-1994 ISO viscosity classification for industrial liquid lubricants GB/T 3767 Acoustics - Determination of sound power level and sound energy level of noise source by sound pressure method - Engineering method for approximate free field above reflecting surface GB/T 3836 (all parts) Explosive atmospheres GB/T 9239.1-2006 Mechanical vibration steady-state (rigid) rotor balancing quality requirements Part 1.Specifications and balance tolerances test GB/T 18329.1 Sliding bearings Multilayer metal sliding bearings Part 1.Ultrasonic testing of bonded bearings with alloy thickness ≥ 0.5 mm Nondestructive Testing GB/T 18329.3 Sliding bearings Multilayer metal sliding bearings Part 3.Non-destructive penetrant testing GB 18613 Energy efficiency limit values and energy efficiency grades for electric motors GB/T 20801 (all parts) Pressure piping specification Industrial piping GB/T 25630-2010 Turbine compressor performance test procedures GB/T 28574 Special purpose steam turbines for petroleum, petrochemical and natural gas industries GB 31571 Petrochemical Industry Pollutant Emission Standard GB/T 37400.12 General technical requirements for heavy machinery Part 12.Painting GB/T 42601.1 Petroleum, heavy chemical and natural gas industries lubrication, shaft sealing and control oil systems and auxiliary equipment Part 1. General Requirements HG/T 20615 Steel Pipe Flange (Class Series) HG/T 20623 Large Diameter Steel Pipe Flange (Class Series) JB/T 2977 Terminology of industrial ventilators, turbo blowers and compressors NB/T 47013.2 Nondestructive testing of pressure equipment Part 2.Radiographic testing NB/T 47013.3 Nondestructive testing of pressure equipment Part 3.Ultrasonic testing NB/T 47013.5 Nondestructive testing of pressure equipment Part 5.Penetrant testing ISO 6368 Dry gas sealing systems for axial, centrifugal and rotary screw compressors and expanders in the petroleum, heavy chemical and natural gas industries
......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45821-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45821-2025_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 45821-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45821-2025_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.