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GB/T 47939-2026Conveyor machinery — General requirements for pneumatic conveying systems (English PDF)

输送机械　气力输送系统通用要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 30, 2026

Implementation date

February 1, 2027

Scope

GB/T 47939-2026 is the English-translated version of 输送机械　气力输送系统通用要求.

GB/T 47939-2026 is a Chinese national standard setting general requirements for pneumatic conveying systems, a type of conveyor machinery for bulk materials.

The standard defines the terminology of pneumatic conveying systems and specifies their types and basic parameters, general requirements, installation and commissioning, testing and inspection, and packaging, transportation and storage.

It applies to pneumatic conveying systems that convey bulk materials. Its clauses cover symbols and units, system composition, installation, debugging and testing.

Appendices list symbols and units, explain recommended technical parameter values and give an installation, operation and maintenance manual. A long list of normative references includes GB, GB/T, DL/T and JB/T documents. Issued on 30 July 2026 and applicable from 1 February 2027.

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Document preview — GB/T 47939-2026

National Standard of the People's Republic of China

ICS: 53.040.30
Classification: J 81

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Symbols and Units
5 Types and Basic Parameters
5.1 Type
5.2 Basic Parameters
6 General Requirements
6.1 System Composition
6.2 Basic Requirements
7 Installation, debugging and testing
7.1 Installation
7.2 Debugging and Testing
8 Packaging, transportation and storage
8.1 Packaging
8.2 Transportation and Storage
Appendix A (Normative) List of Symbols and Units
Appendix B (Informative) Explanation of Recommended Technical Parameter Values
Appendix C (Informative) Installation, Operation and Maintenance Manual
References

Foreword

This document conforms to GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

1 Scope

This document defines the terminology and definitions for pneumatic conveying systems for bulk materials, specifies the types and basic parameters, general requirements, installation, and commissioning. Testing and inspection, packaging, transportation and storage.

This document applies to pneumatic conveying systems for conveying bulk materials.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

GB/T 150.1 Pressure Vessels - Part 1: General Requirements

GB/T 150.4 Pressure Vessels - Part 4: Manufacturing, Inspection and Acceptance

GB/T 191 Packaging and Storage Graphic Symbols

GB/T 985.1 Recommended bevels for gas welding, shielded metal arc welding, gas shielded welding and high energy beam welding

GB/T 2888 Noise Measurement Method for Fans and Roots Blowers

GB 2894 Safety Colors and Safety Signs

GB/T 3091 Welded steel pipes for low-pressure fluid transportation

GB 3095 Ambient Air Quality Standard

GB/T 6719 Technical Requirements for Bag Filters

GB/T 7251.1 Low-voltage switchgear and controlgear assemblies - Part 1: General principles

GB/T 8163 Seamless steel pipes for conveying fluids

GB/T 12123 General Requirements for Packaging Design

GB/T 13201 Dimensions of Cylindrical Transport Packaging

GB/T 13306 Nameplates

GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB/T 13561.2 Safety Regulations for Continuous Loading and Unloading Equipment in Ports - Part 2: Pneumatic Ship Unloaders

GB/T 14976 Stainless steel seamless pipes for conveying fluids

GB 15577 Safety Regulations for Dust Explosion Prevention

GB 16297 Integrated Emission Standard for Air Pollutants

GB/T 36911 Guidelines for Transport Packaging

GB 50168 Standard for Construction and Acceptance of Cable Lines in Electrical Installations

GB 50169 Code for Construction and Acceptance of Grounding Devices in Electrical Installations

GB 50254 Code for Construction and Acceptance of Low-Voltage Electrical Equipment in Electrical Installations

GB 50275 Construction and Acceptance Specifications for Installation Engineering of Fans, Compressors and Pumps

DL/T 680 Technical Requirements for Wear-Resistant Pipes in the Power Industry

JB/T 8470-2010 Positive Pressure Dense Phase Fly Ash Pneumatic Conveying System

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

Referenced standards

Normative references

GB 50169 · GB 50254

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