GB/T 6556-2024 (GB/T6556-2024, GBT 6556-2024, GBT6556-2024)
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6556-2024 | English | 279 |
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Type, main dimension, material and marking of mechanical seals
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GB/T 6556-2024
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| GB/T 6556-2016 | English | 85 |
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Type, main dimension, material and marking of mechanical seals
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GB/T 6556-2016
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| GB/T 6556-1994 | English | 319 |
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Type, main dimension, material and marking of mechanical seals
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GB/T 6556-1994
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| GB 6556-1986 | English | 479 |
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Type, main dimension, material and marking of mechanical seals
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GB 6556-1986
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Standards related to: GB/T 6556-2024
| Standard ID | GB/T 6556-2024 (GB/T6556-2024) | | Description (Translated English) | Type, main dimension, material and marking of mechanical seals | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J22 | | Classification of International Standard | 21.140 | | Word Count Estimation | 14,145 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 6556-2016 | | Drafting Organization | Hefei General Machinery Research Institute Co., Ltd., Zhongmi Holding Co., Ltd., Sichuan University, Beijing University of Chemical Technology, Jiangsu Huaqing Fluid Technology Co., Ltd., General Machinery Key Core Basic Parts Innovation Center (Anhui) Co., Ltd. | | Administrative Organization | National Technical Committee for Mechanical Seals Standardization (SAC/TC 491) | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 6556-2024. Types, main dimensions, materials and identification marks of mechanical seals
ICS 21.140
CCSJ22
National Standard of the People's Republic of China
Replaces GB/T 6556-2016
Mechanical seal types, main dimensions, materials and
Identification mark
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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.
This document replaces GB/T 6556-2016 "Types, main dimensions, materials and identification marks of mechanical seals" and is consistent with GB/T 6556-
Compared with.2016, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Added size series (see 4.5);
--- Changed the mechanical seal identification mark (see Chapter 5, Chapter 4 of the.2016 edition);
--- Changed some materials and codes (see Table 3, Table 2 of the.2016 edition).
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 Mechanical Seals (SAC/TC491).
This document was drafted by. Hefei General Machinery Research Institute Co., Ltd., Zhongmi Holdings Co., Ltd., Sichuan University, Beijing University of Chemical Technology
College of Engineering, Jiangsu Huaqing Fluid Technology Co., Ltd., and General Machinery Key Core Basic Parts Innovation Center (Anhui) Co., Ltd.
The main drafters of this document are. Wu Zhaoshan, Li Xiang, Wang Jianghua, Chen Zhi, Wen Lan, Shen Zongzhao, Ding Siyun, Li Fengcheng, Li Shuangxi, Xie Xing,
Liang Yanbing, Wu Ping, and Li Kun.
The previous versions of this document and the documents it replaces are as follows.
---First published in.1994 as GB/T 6556-1994, first revised in.2016;
---This is the second revision.
Mechanical seal types, main dimensions, materials and
Identification mark
1 Scope
This document defines the terms and definitions of mechanical seals, specifies the types and main dimensions, identification marks and material codes.
This document applies to mechanical seals for centrifugal pumps and similar rotating machinery.
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 1804-2000 General tolerances Tolerances of linear and angular dimensions without tolerance indication
GB/T 5894 Mechanical seal terminology
GB/T 10444 Method for compiling mechanical seal product models
3 Terms and definitions
The terms and definitions defined in GB/T 5894 apply to this document.
4 Types and main dimensions
4.1 General requirements
Various mechanical seal types can refer to the structures shown in Figures 1 to 6, but should follow the given dimensions.
The example of using an O-ring as an auxiliary sealing ring for a stationary ring, sealing rings of other cross-section types can also be used as auxiliary sealing rings for a stationary ring.
For unspecified dimensional tolerances, please refer to Class F in GB/T 1804-2000.
4.2 Types of single-end mechanical seals
U-type. unbalanced single-end mechanical seal, see Figure 1.
Type B. Balanced single-end mechanical seal, see Figure 2.
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