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GB/T 41069-2021: Terminology of rotary joints
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Terminology of rotary joints
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GB/T 41069-2021
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Basic data | Standard ID | GB/T 41069-2021 (GB/T41069-2021) | | Description (Translated English) | Terminology of rotary joints | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J22 | | Word Count Estimation | 24,210 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41069-2021: Terminology of rotary joints---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.
Terminology of rotary joints
ICS 21:140
CCSJ22
National Standards of People's Republic of China
rotary joint noun
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
3:1 General terms 1
3:2 Taxonomy term 1
3:3 Main components and corresponding terms 5
3:4 Design and Performance Terminology 8
3:5 Test terminology 10
Appendix A (Informative) Typical Structural Types of Rotary Joints 11
A:1 Spherical seal rotary joint 11
A:2 Flat seal rotary joint 12
A:3 Cylindrical elastomer sealing rotary joint 13
Reference 15
index 16
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 of Standardization Documents"
drafted:
Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Mechanical Seal Standardization Technical Committee (SAC/TC491):
This document is drafted by: Hefei General Machinery Research Institute Co:, Ltd:, Fujian Minxuan Technology Co:, Ltd:, Jiangsu Tengxuan Technology Co:, Ltd:
Co:, Ltd:, Zhejiang University of Technology, Nan'an Zhongji Standardization Research Institute Co:, Ltd:, Tsinghua University, Hefei General Environmental Control Technology Co:, Ltd:
responsible company:
The main drafters of this document: Wu Zhaoshan, Yan Qiaozhu, Li Jisuo, Peng Xudong, Li Xiang, Chen Huiling, Liu Jinlong, Ding Siyun, Huang Weifeng, Li Kun:
rotary joint noun
1 Scope
This document defines terms and definitions for rotary joints:
This document is suitable for fluid dynamic seals in equipment that transport fluid media from fixed pipes to pipes that rotate or swing to an angle
device:
2 Normative references
There are no normative references in this document:
3 Terms and Definitions
3:1 General terminology
3:1:1
rotary joint
swiveljoint
The fluid dynamic sealing device in the equipment that transports the fluid medium (3:4:16) from a fixed pipeline to a pipeline that rotates or swings to an angle:
[Source: JB/T 8725-2013, 3:1]
3:1:2
Rotary joint nominal size nominalsizeofarotaryjoint
The nominal size of the outer pipe (3:3:1) for connecting the rotary joint to the rotating equipment or pipeline:
[Source: JB/T 8725-2013, 3:9]
3:1:3
import entry
The medium is transported from the fixed pipeline to the channel in the rotating equipment that flows into the rotary joint:
3:1:4
export exit
The medium is transported from the rotating equipment to the channel of the fixed pipeline out of the rotating joint:
3:2 Taxonomy terms
3:2:1 Seal type
3:2:1:1
sphericalseal
It is composed of at least one pair of convex spherical surface and concave spherical surface, which keep fit and slide relatively under the action of fluid pressure and elastic force of compensation mechanism:
Mechanism to prevent fluid leakage:
Note: The typical structure diagram is shown in Figure A:1 of Appendix A:
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