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JG/T 321-2011 English PDF

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US$339.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JG/T 321-2011: Hydraulic jack for prestressing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JG/T 321-2011	339	Add to Cart	3 days	Hydraulic jack for prestressing	Valid

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JB/T 2985 JGJ 276 JB/T 5943 JGJ 321 JG/T 322 JG/T 320

Basic data

Standard ID: JG/T 321-2011 (JG/T321-2011)
Description (Translated English): Hydraulic jack for prestressing
Sector / Industry: Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard: P97
Classification of International Standard: 91.220
Word Count Estimation: 13,114
Date of Issue: 2011-05-09
Date of Implementation: 2011-10-01
Older Standard (superseded by this standard): JG/T 5028-1993
Quoted Standard: GB/T 1804; GB/T 1239.2; GB/T 1239.4; GB/T 14039; GB/T 16924; GB/T 17446; JB/T 5000.3; JB/T 5000.4; JB/T 5000.5; JB/T 5000.6; JB/T 5000.8; JB/T 5000.9; JB/T 5000.10; JB/T 5000.12; JB/T 5000.13
Regulation (derived from): Bulletin of the Ministry of Housing and Urban No. 1010
Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary: This standard specifies the classification of prestressed with hydraulic jacks and models, requirements, test methods, inspection rules and signs, packaging and storage. This standard applies to works used in prestressed hydraulic jacks (hereinafter referred to as jack).

JG/T 321-2011: Hydraulic jack for prestressing

---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 jack for prestressing People's Republic of China building industry standards Replacing JG/T 5028-1993 Prestressed hydraulic jack 2011-05-09 released 2011-10-01 implementation Ministry of Housing and Urban-Rural Development, People's Republic of China released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is the revision of JG/T 5028-1993 "prestressed hydraulic jack", this standard compared with the JG/T 5028-1993 To technical changes are as follows. --- Modify the scope of the description (see Chapter 1); --- Modify and add normative references (see Chapter 2); --- Added Chapter 3 "Terms and definitions"; --- Modify the classification (1993 version 3.1; version 4.1); --- Modify the model preparation method (1993 version 3.2.1; version 4.2); --- Increasing the main parameters of the series of specifications (1993 version 3.3; 4.3 version of this edition); --- Modify the requirements of the working medium (1993 version 4.1; version 5.1); --- Modify the starting pressure requirements (1993 version 4.2.2; version 5.2.2); --- Modify the pressure drop value of the internal leakage requirements (1993 version 4.2.3; version 5.2.3); --- Modify the requirements of the cylinder deformation limit of overload performance (1993 version 4.2.4; version 5.2.4); --- Modify the long-term operational performance test requirements (1993 version 4.2.5; version 5.2.5); --- Modify the requirements of the jack load efficiency and long-term operating performance test before and after the load efficiency range requirements (1993 version 4.2.6; this edition 5.2.6); --- Increased cutting requirements (see 5.4.1); --- Increasing the lifting device requirements (see 5.4.10); --- Modify the requirements of test oil and test equipment (1993 version 5.1; version 6.1); --- Increased long-term performance test laboratory test methods and schematics (see 6.7); --- Increased long-term performance of field test methods (see 6.8); --- Modify the list of test items (1993 version 6.1; this version of 7.3 and 7.6); --- Modify the factory inspection in the repair product inspection requirements (1993 version 6.2.2; version 7.4); --- Modify the type test rework product inspection project requirements (1993 version 6.5; version 7.8); --- Removed Appendix A This standard proposed by the Ministry of Housing and Urban Standard and Design Institute. This standard by the Ministry of Housing and Urban Construction Standard Technical focal points centralized. This standard was drafted. China Academy of Building Research, Liuzhou Orvim Machinery Co., Ltd., Beijing Institute of Construction Engineering has Limited liability company, Siping City British force Construction Machinery Co., Ltd., Kaifeng City Tianli Bridge Construction Engineering Co., Ltd., Hangzhou, Zhejiang anchor prestressed limited Company, Beijing Sanqiang Steel Prestressed Equipment Co., Ltd., Beijing Municipal Government II Construction Engineering Co., Ltd. The main drafters of this standard. Li Dongbin, Wu Zhiyong, Chen Qian, Song Huijie, Ma Junbiao, Pan Xianqing, Zeng Li, Zhou Zheng, Zhao Tianqing, Zhang Qingjie. This standard replaces the standards previously issued as follows. --- JJ23-1984; --- JG/T 5028-1993. Prestressed hydraulic jack

1 Scope

This standard specifies the prestressed hydraulic jack classification and type, requirements, test methods, inspection rules and signs, packaging and storage. This standard applies to prestressed hydraulic jack used in the project (hereinafter referred to as jack).

2 Normative references

The following documents for the application of this standard is essential. For dated references, only the dated version applies to this standard quasi. For undated references, the latest edition (including all amendments) applies to this standard. GB/T 1804 General tolerances Tolerances for linear and angular dimensions without tolerances GB/T 1239.2 Cold rolled cylindrical coil springs - Part 2. Compression springs GB/T 1239.4 hot coil cylindrical helical compression spring technical conditions GB/T 14039 hydraulic transmission fluid solid particles pollution level code GB/T 16924 steel quenching and tempering GB/T 17446 hydraulic transmission systems and components terminology JB/T 5000.3 General technical requirements for heavy machinery - Part 3. Welded parts JB/T 5000.4 General specifications for heavy machinery - Part 4. Cast iron parts JB/T 5000.5 General specifications for heavy machinery - Part 5. Non - ferrous metal castings JB/T 5000.6 General specifications for heavy machinery - Part 6. Steel castings JB/T 5000.8 General specification for heavy machinery Part 8. Forgings JB/T 5000.9 General specifications for heavy machinery Part 9. Cutting parts JB/T 5000.10 General specifications for heavy machinery - Part 10. Assembly JB/T 5000.12 General specifications for heavy machinery - Part 12. Painting JB/T 5000.13 General specifications for heavy machinery - Part 13. Packaging

3 Terms and definitions

GB/T 17446 defined and the following terms and definitions apply to this document. 3.1 Load efficiency loadefficiency Jack the actual output power and the ratio of the theoretical output force. 3.2 Theoretical output theory of force Pressure multiplied by the effective piston area and the calculated force. 3.3 Internal leakage insideleakage Leakage of components inside the cavity. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JG/T 321-2011_English be delivered?

Answer: Upon your order, we will start to translate JG/T 321-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JG/T 321-2011_English with my colleagues?

Answer: Yes. The purchased PDF of JG/T 321-2011_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.