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GB/T 13871.6-2022: Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 6: Specification of elastomeric materials
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13871.6-2022 | English | 189 |
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Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 6: Specification of elastomeric materials
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GB/T 13871.6-2022
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Basic data | Standard ID | GB/T 13871.6-2022 (GB/T13871.6-2022) | | Description (Translated English) | Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 6: Specification of elastomeric materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J20 | | Classification of International Standard | 23.100.60; 83.140.50 | | Word Count Estimation | 10,161 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2022-10-12 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 13871.6-2022: Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 6: Specification of elastomeric materials
---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.
Rotary shaft lip-type seals incorporating elastomeric sealing elements -- Part 6.Specification of elastomeric materials
ICS 23.100.60; 83.140.50
CCSJ20
National Standards of People's Republic of China
Rotating shaft lip with sealing element in elastomer material
Sealing rings part 6.Specification for elastomeric materials
Published on 2022-10-12
2022-10-12 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
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.
This document is part 6 of GB/T 13871 "Rotating Shaft Lip Seals with Elastomeric Sealing Elements". GB/T 13871
The following sections have been published.
--- Part 1.Dimensions and tolerances;
--- Part 2.Vocabulary;
--- Part 3.Storage, handling and installation;
--- Part 4.Performance test procedures;
--- Part 5.Identification of cosmetic defects;
--- Part 6.Specification for elastomeric materials.
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 Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3).
This document is drafted by. Northwest Rubber and Plastics Research and Design Institute Co., Ltd., Anhui Zhongding Seals Co., Ltd., Guangzhou Machinery Division
Research Institute Co., Ltd., Qingdao Beihai Sealing Technology Co., Ltd., Chengdu Shengbang Sealing Co., Ltd., Xi'an Xiangyang Aerospace Materials Co., Ltd.
Co., Ltd., Guangdong Tiancheng Seal Co., Ltd., Zhejiang Shangyu Oil Seal Manufacturing Co., Ltd., Changzhou Langbo Sealing Technology Co., Ltd.
Co., Ltd., Nanjing Lide Oriental Rubber and Plastic Technology Co., Ltd., Qingdao Hailiwei New Material Technology Co., Ltd., Nanjing Dongrun Special Rubber and Plastic Co., Ltd.
Co., Ltd., Jiangsu Mingzhu Testing Machinery Co., Ltd., Maanshan Hongli Rubber Products Co., Ltd., Qingdao Ruizhisen Oil Seal Co., Ltd., Xiamen Mai
Feng Seals Co., Ltd., Dongguan Runyin Industrial Co., Ltd.
The main drafters of this document. Gao Jingru, Cao Yuanli, Xia Yingsong, Wang Yong, Wu Yongzeng, Fan Debo, Liu Haijun, Xie Hongbo, Xu Xiangjun, Wu Xingcai,
Wang Liangyan, Liu Zhonghua, Ji Jianbo, Ke Yuchao, Jiang Wenyang, Zhu Anming, Huang Lianggen, Ji Shunben, Zheng Huaan, Yin Jianxin, Zou Xingping, Wang Mukang,
Chen Weiping, Hu Yating, Wang Min, Tong Yizhong, Gao Xuejun, Liao Yanxuan, Tang Zhuohua.
Introduction
Rotary shaft lip seals are used to seal liquids (such as lubricating oils) in equipment with relatively low differential pressures. Usually the shaft rotates, the cavity is stationary, and there are
In some cases the shaft is stationary and the cavity is rotating.
This dynamic sealing is usually achieved by designing an interference fit between the shaft and the elastomeric sealing element.
Similarly, an interference fit between the outer circumference of the rotating shaft lip seal and the bore diameter of the cavity can tighten the seal and prevent static
leakage.
GB/T 13871 "Rotating Shaft Lip Seal Rings with Elastomeric Materials as Sealing Elements" stipulates that the sealing element is an elastomer material for rotating shafts.
The technical requirements for the shaft lip seal, which consists of six parts.
--- Part 1.Dimensions and tolerances. The purpose is to dimension the rotary shaft lip seals for which the sealing element is an elastomer material
and acceptance.
--- Part 2.Vocabulary. The purpose is to summarize and define the terms and definitions of rotary shaft lip seals whose sealing elements are elastomeric materials.
meaning, easy to understand and communicate.
--- Part 3.Storage, handling and installation. The purpose is to standardize the operation of the sealing ring during storage, handling and installation to avoid
Damage caused before and during installation affects the life of the seal.
--- Part 4.Performance test procedures. The purpose is to verify the practical use of rotary shaft lip seals with elastomeric sealing elements
Effect.
--- Part 5.Identification of cosmetic defects. The purpose is to identify the appearance quality and avoid leakage due to appearance defects.
--- Part 6.Specification for elastomeric materials. The purpose is to select suitable elastics for rotating shaft lip seals under various working conditions.
Sexual material.
Rotating shaft lip with sealing element in elastomer material
Sealing rings part 6.Specification for elastomeric materials
1 Scope
This document specifies the requirements, test methods, inspection rules for the elastomer material of rotating shaft lip seals with elastomeric sealing elements
regulations, marking, packaging, transportation and storage.
This document applies to rotating shaft lip seals (hereinafter referred to as "seals") whose sealing elements are elastomeric materials used under low pressure conditions.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 528 Determination of Tensile Stress-Strain Properties of Vulcanized Rubber or Thermoplastic Rubber
GB/T 531.1 Test method for indentation hardness of vulcanized or thermoplastic rubber - Part 1.Shore durometer method (Shore hardness)
GB/T 1690 Vulcanized rubber or thermoplastic rubber liquid resistance test method
GB/T 2941 Rubber Physical Test Methods General Procedures for Specimen Preparation and Conditioning
GB/T 3512 Vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat resistance test
GB/T 5576 Rubber and Latex Nomenclature
GB/T 6031 Determination of hardness of vulcanized rubber or thermoplastic rubber (10IRHD~100IRHD)
GB/T 7758 Determination of low temperature properties of vulcanized rubber Temperature retraction procedure (TR test)
GB/T 7759.1 Determination of Compression Set of Vulcanized Rubber or Thermoplastic Rubber Part 1.Under normal and high temperature conditions
3 Terms and Definitions
There are no terms and definitions that need to be defined in this document.
4 Requirements
4.1 The elastomer materials commonly used in the manufacture of sealing rings are shown in Table 1.
Table 1 Elastomer materials commonly used in the manufacture of sealing rings
Elastomer material material code a Hardness level, IRHD
Nitrile rubber NBR 70Ab, 70, 80
Hydrogenated nitrile rubber HNBR 60,70,80
Acrylate Rubber ACM 70
Viton FKM 70,80
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