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GB/T 32543-2026: Building construction machinery and equipment - Concrete delivery pipes - Connection types and safety requirements
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GB/T 32543: Evolution and historical versions
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| GB/T 32543-2026 | English | 699 |
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Building construction machinery and equipment - Concrete delivery pipes - Connection types and safety requirements
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| GB/T 32543-2016 | English | 379 |
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Building construction machinery and equipment -- Concrete delivery pipes -- Connection types and safety requirements
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Standard similar to GB/T 32543-2026 GB/T 41495 | GB/T 38943.1 | GB 26545 | GB 48002 | GB/T 32542 | Basic data | Standard ID | GB/T 32543-2026 (GB/T32543-2026) | | Description (Translated English) | Building construction machinery and equipment - Concrete delivery pipes - Connection types and safety requirements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P97 | | Classification of International Standard | 91.220 | | Word Count Estimation | 34,335 | | Date of Issue | 2026-01-28 | | Date of Implementation | 2026-08-01 | | Older Standard (superseded by this standard) | GB/T 32543-2016 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 32543-2026: Building construction machinery and equipment - Concrete delivery pipes - Connection types and safety requirements
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ICS 91.220
CCSP97
National Standards of the People's Republic of China
Replaces GB/T 32543-2016
Construction machinery and equipment concrete conveying pipes
Connection type and safety requirements
Published on 2026-01-28
Implemented on August 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface V
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Type, size, and markings of the conveying pipe 2
4.1 Straight pipe 2
4.2 Pipe bend 2
4.3 Tapered tube 6
4.4 Hose 6
5 Connection type 7
5.1 Overview 7
5.2 Type A connection 7
5.3 Type B connection 8
5.4 Type C connection 9
6.Connection size 10
6.1 Type A connection dimensions 10
6.2 Type B connection dimensions 12
6.3 C-type connection dimensions 20
7 Safety Requirements 21
7.1 Operating ambient temperature 21°C
7.2 Working pressure range 21
7.3 Design Requirements 21
7.4 Manufacturing Requirements 21
7.5 Usage Requirements 21
7.6 Testing Requirements 22
7.7 Mark 22
8.Test Methods 22
8.1 General Examination 22
8.2 Pressure Resistance Test 22
9.Inspection Rule 23
9.1 Factory Inspection 23
9.2 Type Testing 23
Appendix A (Informative) Flange Schematic Diagram 24
Appendix B (Informative) Schematic Diagram of Pipe Clamp 25
Appendix C (Informative) Test Record Table 26 for Concrete Conveying Pipes and Their Connectors
Figure 1.Type 2 of straight pipe
Figure 2.Bending radius and angle of the boom bend.
Figure 3.Bending radius and angle of non-boom bend pipes 4
Figure 4.Types of tapered tubes 6
Figure 5.Types of hoses 7
Figure 6.Schematic diagram of type A1 connection 8
Figure 7.Schematic diagram of type A2 connection.
Figure 8.Schematic diagram of type B connection. 9
Figure 9.Schematic diagram of C-type connection.
Figure 10 Flange structure type of A1 connection 10
Figure 11 Flange structure type of A2 connection 11
Figure 12 Structural form of Type A pipe clamp
Figure 13 Flange structure type B1 connection 13
Figure 14 Flange structure type B2 connection 14
Figure 15 shows the structural form of type B1 pipe clamp.
Figure 16 shows the structural form of type B2 pipe clamp.
Figure 17 Basic Types of B1 Type Seals
Figure 18 Structural form of B1 type sealing ring without ribs 17
Figure 19 Structural form of B1 type sealing ring with ribs 18
Figure 20 Structural form of type B2 sealing ring 19
Figure 21.Flange and connecting ring structure of C-type connection 20
Figure A.1 Flange Schematic Diagram 24
Figure B.1 Schematic diagram of type A pipe clamp 25
Figure B.2 Schematic diagram of type B pipe clamp 25
Table 1 Nominal Inner Diameter of Straight Pipes 2
Table 2 Nominal Inner Diameter of Bending Pipes for Booms 3
Table 3 Dimensions and Bending Angles of Bends for Non-Boom Use 5
Table 4 Nominal Inner Diameter of Tapered Tubes 6
Table 5 Nominal Inner Diameter of Hose 7
Table 6 Main dimensions of flanges for type A1 connection 10
Table 7 Main dimensions of flanges for type A2 connection 11
Table 8 Main Dimensions of Type A Pipe Clamps 12
Table 9 Main dimensions of flanges for type B1 connection 13
Table 10 Main dimensions of flanges for type B2 connection 14
Table 11 Main Dimensions of Type B1 Pipe Clamp 15
Table 12 Main Dimensions of Type B2 Pipe Clamps 16
Table 13 Main dimensions of unreinforced B1 type sealing rings 18
Table 14 Main dimensions of the B1 type sealing ring with ribs 19
Table 15 Main dimensions of type B2 sealing ring 20
Table 16 Main Dimensions of Flanges and Connecting Rings for Type C Connections 21
Table 17 Experimental Process Parameters 22
Table 18 Factory Inspection and Type Inspection Items 23
Table C.1 General Records Table 26
Table C.2 Product Pressure Test Record Sheet 26
Table C.3 Process Record Table 26
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document supersedes GB/T 32543-2016 "Connection Types and Safety Requirements for Concrete Conveying Pipes in Construction Machinery and Equipment".
Compared with GB/T 32543-2016, apart from structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope has been changed (see Chapter 1, Chapter 1 of the.2016 edition);
b) Added information on concrete delivery pipe types, dimensions, and markings (see Chapter 4);
c) Some basic dimensions of Type A flanges and pipe clamps have been changed (see 6.1, 5.1 in the.2016 edition);
d) Some basic dimensions of Type B flanges, pipe clamps, and sealing rings have been modified (see 6.2, 5.2 in the.2016 edition);
e) Some basic dimensions of the C-type flange have been changed (see 6.3, 5.3 in the.2016 edition);
f) The operating pressure range has been changed (see 7.2, 6.2 in the.2016 version);
g) Added design requirements, manufacturing requirements, and usage requirements (see 7.3, 7.4, and 7.5);
h) The identifier has been changed (see 7.7, 6.3 in the.2016 version);
i) Change the detection method to a test method (see Chapter 8, Chapter 7 of the.2016 edition);
j) Added inspection rules (see Chapter 9).
Please note that some content in this document may involve patents. The issuing organization of this document assumes no 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 on Standardization of Construction Machinery and Equipment (SAC/TC328).
This document was drafted by. Zoomlion Heavy Industry Science & Technology Co., Ltd., Shandong Yuanyou Heavy Industry Technology Co., Ltd., and Hangzhou Jianghe Electromechanical Equipment Engineering Co., Ltd.
Limited Liability Company, Shenyang Jianzhu University, Langfang Kaibo Construction Machinery Technology Co., Ltd., Xi'an University of Architecture and Technology, Sany Automobile Manufacturing Co., Ltd.
Xuzhou XCMG Schwing Machinery Co., Ltd., Hunan Provincial Institute of Quality and Standardization.
The main drafters of this document are. Fu Ling, Shi Xianzhong, Gao Rongzhi, Wan Liang, Wang Jiaqian, Li Shu, Jiao Yumin, Yu Jinlin, Yang Yuefeng, and Zhao Yinxiang.
He Xinchu, Zou Defang, Cao Guowei, Zhang Ping, Shi Hao, Zhou Zhiyong, Yi Xiuming, Li Mengmeng, Zeng Xiaojun.
This document was first published in.2016, and this is its first revision.
Construction machinery and equipment concrete conveying pipes
Connection type and safety requirements
1 Scope
This document specifies the type, dimensions and markings, connection types, connection dimensions, safety requirements and inspection rules for concrete conveying pipes, describing...
The corresponding experimental methods were developed.
This document applies to the manufacture and inspection of concrete conveying pipes and related auxiliary equipment with a nominal inner diameter of 50mm to 180mm.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
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.
This document.
GB/T 1226 General Pressure Gauges
GB/T 1227 Precision Pressure Gauges
GB 28395 Safety requirements for concrete and mortar conveying, spraying and pouring machinery
GB/T 46760-2025 Construction Machinery and Equipment - Terminology for Concrete and Mortar Machinery
3 Terms and Definitions
The terms and definitions defined in GB/T 46760-2025, as well as the following terms and definitions, apply to this document.
3.1
delivery pipe
Pipes used for transporting concrete.
Note. Delivery pipes include straight pipes, bends, tapered pipes, and flexible hoses, etc.
3.2
flange
The flange at the end of the concrete delivery pipe is used to connect to other delivery pipes.
Note. See Figure A.1 in Appendix A.
3.3
pipe clamping
A ring clamp structure device used to connect two flanges.
Note. See Figures B.1 and B.2 in Appendix B.
3.4
connecting ring
Rings used for connecting pipe fittings.
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