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GB/T 15242.2-2017 English PDF

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Q: Should I purchase the latest version GB/T 15242.2-2017?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15242.2-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$419.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 15242.2-2017: Dimensions series of rod and piston dynamic seals for hydraulic cylinders -- Part 2: Dimensions and tolerances of bearing rings
Status: Valid

GB/T 15242.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15242.2-2017	419	Add to Cart	5 days	Dimensions series of rod and piston dynamic seals for hydraulic cylinders -- Part 2: Dimensions and tolerances of bearing rings	Valid
GB/T 15242.2-1994	359	Add to Cart	3 days	Hydraulic fluid power. Cylinder rod and piston seals for reciprocating applications of bearing rings. Dimensions and tolerances	Obsolete

Similar standards

GB/T 14034.1 GB/T 14041.4 GB/T 13871.5 GB/T 22107 GB/T 15242.3 GB/T 15242.4

Basic data

Standard ID: GB/T 15242.2-2017 (GB/T15242.2-2017)
Description (Translated English): Dimensions series of rod and piston dynamic seals for hydraulic cylinders -- Part 2: Dimensions and tolerances of bearing rings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.60
Word Count Estimation: 21,291
Date of Issue: 2017-11-01
Date of Implementation: 2018-05-01
Older Standard (superseded by this standard): GB/T 15242.2-1994
Regulation (derived from): National Standard Announcement 2017 No. 29
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 15242.2-2017: Dimensions series of rod and piston dynamic seals for hydraulic cylinders -- Part 2: Dimensions and tolerances of bearing rings

---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.
Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 2. Dimensions and tolerances of bearing rings ICS 23.100.60 J20 National Standards of People's Republic of China Replacing GB/T 15242.2-1994 Hydraulic cylinder piston and piston rod seal size series Part 2. Supporting ring size series and tolerances Part 2.Dimensionsandtolerancesofbearingrings Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 15242 "hydraulic cylinder piston and piston rod seal size series" is divided into the following four sections. --- Part 1. Coaxial seal size series and tolerances; --- Part 2. Supporting ring size series and tolerances; --- Part 3. Coaxial seal mounting groove size series and tolerances; --- Part 4. Supporting ring installation groove size series and tolerances. This section GB/T 15242 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 15242.2-1994 "hydraulic cylinder piston and piston rod seal ring size and tolerances," and GB/T 15242.2-1994 compared to editorial changes in addition to the main technical changes are as follows. --- Supplement to improve the range (see Chapter 1,.1994 edition of Chapter 1); --- Added terms and definitions (see Chapter 3); --- Modify and supplement the symbol (see Chapter 4,.1994 edition Chapter 3); --- Increasing the groove width code and size series (see Chapter 4, Table 3, Table 4); --- Increased serial number (see Chapter 5); --- Modify the support ring mounting groove diagram (see Figure 1 and Figure 2,.1994 version of Figure 1 and Figure 2); --- Modify and supplement the size of the support ring series (see Table 3, Table 4,.1994 edition of Table 1, Table 2); --- Perfecting the description of the incision type of product. Inclined incision, straight incision, take the interface (see Appendix A,.1994 edition of Appendix A); This part is proposed by China Machinery Industry Federation. This part of the National Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3) centralized. This part of the drafting unit. Guangzhou Machinery Research Institute Co., Ltd., Northwest Rubber and Plastic Research and Design Institute Co., Ltd., Qingdao Beihai Mi Feng Technology Co., Ltd. Xuzhou Xuzhou Hydraulic Co., Ltd., Cooper Seal Co., Ltd., Chongqing Duke High Pressure Seals Co., Ltd. Secretary, Hebei Longli Seal Technology Co., Ltd. The main drafters of this section. Liang Xiaofeng, Gao Jingru, Liu Jianhong, Yin Jianxin, Chen Dengmin, Zhu Baoning, Du Changchun, Song Xiqian, Yan Guoqing, Li Ming, Tao Su Bin. This part replaces the standards previously issued as. --- GB/T 15242.2-1994. Hydraulic cylinder piston and piston rod seal size series Part 2. Supporting ring size series and tolerances

1 Scope

GB/T 15242 provisions of this part of the hydraulic cylinder piston and piston rod sealing ring bearing the terms and definitions, code, series Number, mark, size series and tolerances. This section applies to water-based or oil-based hydraulic cylinder sealing device used in the POM support ring, phenolic resin folder The supporting ring and the filling polytetrafluoroethylene (PTFE) supporting ring can be used in the temperature range of -30 ℃ ~ 100 ℃, -60 ℃ ~ 120 ° C, -60 ° C to 150 ° C.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 17446 fluid transmission systems and components vocabulary

3 Terms and definitions

GB/T 17446 defined and the following terms and definitions apply to this document. 3.1 Bearing ring bearingring Piston or piston rod of the hydraulic cylinder to support the role of the metal to avoid contact between the relative movement and provide radial support force of the cut Mouth annular non-metallic guide element.

4 code

Code in Table 1. Table 1 code Name Code Name Code Support ring mounting groove width b Support ring cutting length L. Support ring width b1 Rod support ring GD Cutout width of the support ring b2 Piston support ring SD Cylinder bore or piston rod support ring groove bottom diameter D cross-sectional thickness of the support ring δ Piston rod diameter or piston support ring groove bottom diameter d filled polytetrafluoroethylene (PTFE) material Ⅰ Outer diameter of piston supporting ring D1 Phenolic resin Cloth material II Piston rod supporting ring diameter d1 POM material Ⅲ ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 15242.2-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 15242.2-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 15242.2-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 15242.2-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 15242.2-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15242.2-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.