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GB/T 36520.2-2018 English PDF

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US$439.00 · In stock
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GB/T 36520.2-2018: Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 2: Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36520.2-2018	439	Add to Cart	4 days	Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 2: Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod	Valid

Similar standards

GB/T 42155 GB/T 40565.4 GB/T 40565.2 GB/T 22107 GB/T 36520.3 GB/T 36520.4

Basic data

Standard ID: GB/T 36520.2-2018 (GB/T36520.2-2018)
Description (Translated English): Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 2: Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.60; 83.140.50
Word Count Estimation: 22,262
Date of Issue: 2018-07-13
Date of Implementation: 2019-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36520.2-2018: Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 2: Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod

---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.
Hydraulic fluid power--Dimensions and tolerances of polyurethane seals--Part 2. Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod ICS 23.100.60; 83.140.50 J20 National Standards of People's Republic of China Hydraulic transmission polyurethane seal size series Part 2. Reciprocating movement of the piston rod Seal size and tolerance Part 2. Dimensionsandtolerancesofsealsusedinhydraulicreciprocating Published on.2018-07-13 Implementation of.2019-02-01 State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 36520 "Hydraulic transmission polyurethane seal size series" is divided into 4 parts. --- Part 1. Dimensions and tolerances of piston reciprocating seals; ---Part 2. Dimensions and tolerances of piston rod reciprocating seals; ---Part 3. Dimensions and tolerances of the dust seal; --- Part 4. Dimensions and tolerances of cylinder seals. This part is the second part of GB/T 36520. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the China Machinery Industry Federation. This part is under the jurisdiction of the National Hydraulic and Pneumatic Standardization Technical Committee (SAC/TC3). This section drafted by. Northwest Rubber Plastics Research and Design Institute Co., Ltd., Guangzhou Mechanical Science Research Institute Co., Ltd., Anhui Kubo Mi Seal Technology Co., Ltd., Shanxi Taibao Technology Co., Ltd., Xi'an Xiangyang Aerospace Materials Co., Ltd., Qingdao Hailiwei New Materials Technology Co., Ltd. Co., Ltd., Guangdong Tiancheng Seals Co., Ltd., Hebei Zhuoli Sealing Technology Co., Ltd., Chongqing Duke Industrial Co., Ltd., Mountain West Tiandi Mining Technology Equipment Co., Ltd. The main drafters of this section. Lu Xinchun, Gao Jingru, Liu Jianhong, Zhu Baoning, Jia Xianbao, Yuan Jianglong, Gong Xianjun, Huang Shoubin, Jing Hailing, Du Changchun, Wang Xipeng, Lian Xiaolei, Li Ming, Wang Jinping, Ye Changqing, Wen Yu, Xie Hongbo, Wu Ruyi, Tao Subin, Huang Shuai. Hydraulic transmission polyurethane seal size series Part 2. Reciprocating movement of the piston rod Seal size and tolerance

1 Scope

This part of GB/T 36520 specifies the terms and definitions, symbols, and symbols of the reciprocating polyurethane seal of the piston rod in the hydraulic transmission system. Structure type, size and tolerance, identification. This section applies to piston rod reciprocating polyurethane seals in hydraulic cylinders.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 17446 Fluid Transmission System and Component Vocabulary

3 Terms and definitions

The terms and definitions defined in GB/T 17446 apply to this document.

4 symbol

The following symbols apply to this document. NL --- piston rod reciprocating polyurethane single rib seal ring, referred to as single bud ring Y×d---Piston rod reciprocating polyurethane monomer Y×d sealing ring, referred to as monomer Y×d sealing ring U --- piston rod reciprocating polyurethane single U-ring seal, referred to as single U-shaped seal NZ --- piston rod reciprocating polyurethane combination lion seal, referred to as combination bud ring D --- Sealing groove diameter d --- piston rod diameter L --- Sealing groove axial length D0 --- Polyurethane seal ring root outer diameter D1 --- polyurethane seal inner diameter S1 --- Polyurethane sealing ring section lip width S2 --- Polyurethane sealing ring section root width H --- polyurethane sealing ring section height b --- Plastic retaining ring width h --- plastic retaining ring height

5 structure type

5.1 single seal 5.1.1 Single ray ring The single bud ring and its sealing structure are shown in Figure 1. See Appendix A for the conditions of use. Description. 1---single bud ring; 2---plastic retaining ring. Figure 1 Single ray ring and its sealing structure 5.1.2 Single Y×d seal The monomer Y×d seal ring and its sealing structure are shown in Figure 2. See Appendix A for the conditions of use. Figure 2 Y × d sealing ring and its sealing structure 5.1.3 Single U-ring seal The U-shaped seal ring and its sealing structure are shown in Figure 3. See Appendix A for the conditions of use. Figure 3 Single U-ring seal and its sealing structure 5.2 Combination bud ring The combined bud ring is composed of a urethane ring and a rubber O-ring. The sealing structure type is shown in Figure 4. See Appendix A for the conditions of use. Description. 1---rubber O-ring; 2---polyurethane ring; 3---plastic retaining ring. Figure 4 Combination bud ring and its sealing structure

6 Dimensions and tolerances

6.1 Single seal 6.1.1 Dimensions and tolerances of the single bud ring The size of the single rib ring sealing groove is divided into I series and II series. The dimensions and tolerances of the I series sealing groove single rib ring are shown in Table 1. The dimensions and tolerances of the II series sealed groove single rib ring are shown in Table 2. Table 1 I series seal groove single rib ring size and tolerance unit is mm Table 2 Dimensions and tolerances of the II series sealing groove single rib ring are in millimeters

7 logo

7.1 Identification of the single bud ring The piston rod single rib ring shall have the letter "NL" representing the single bud ring, the nominal size (d × D × L) and the standard number of this part. Mark it. Example. NL Single bud ring code Piston rod diameter ×166 Sealing groove diameter ×17 Sealing groove axial length This part of the standard number 7.2 Identification of single Y×d seals The piston rod unit Y×d seal ring shall be the letter “Y×d”, nominal size (d×D×L) and the headquarters of the unit Y×d seal ring. The standard number of the points is identified. Example. Y×d Monomer Y × d seal code Piston rod diameter ×136 Sealing groove diameter ×15 Sealing groove axial length This part of the standard number 7.3 Identification of single U-ring seals The piston rod single U-ring should be the letter "U" representing the U-shaped seal of the unit, the nominal size (d × D × L) and this part The standard number is identified. Example. U Single U-shaped seal code Piston rod diameter ×115 Sealing groove diameter ×10 Sealing groove axial length This part of the standard number 7.4 Identification of the combined bud ring The piston rod combination bud ring shall have the letter "NZ" representing the combined bud ring, the nominal size (d × D × L) and the standard number of this part. Mark it. Example. NZ Combination bud ring code Piston rod diameter ×166 Sealing groove diameter ×17 Sealing groove axial length This part of the standard number

Appendix A

(informative appendix) Conditions for use of various structural piston rod reciprocating seals See Table A.1 for the conditions of use of various structural piston rod reciprocating seals. Table A.1 Conditions for use of various structural piston rod reciprocating seals Serial number category Conditions of Use Reciprocating speed m/s Maximum working pressure MPa Operating temperature Media application field 1 single rib ring 0.5 45 -40~80 water plus emulsion (oil) hydraulic support 2 Monomer Y×d seal 0.5 35 -40~80 Mineral oil engineering cylinder 3 single U-ring seal 0.5 35 -40~80 mineral oil engineering cylinder 4 Combination bud ring 0.5 60 -40~80 Water plus emulsion (oil) Hydraulic support ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 36520.2-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 36520.2-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 36520.2-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 36520.2-2018_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.