GB/T 7934-2017 English PDFUS$439.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 7934-2017: Hydraulic two-port slip-in cartridge valves -- Technical requirements Status: Valid GB/T 7934: Historical versions
Basic dataStandard ID: GB/T 7934-2017 (GB/T7934-2017)Description (Translated English): Hydraulic two-port slip-in cartridge valves -- Technical requirements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J20 Classification of International Standard: 23.100.50 Word Count Estimation: 22,287 Date of Issue: 2017-11-01 Date of Implementation: 2018-05-01 Older Standard (superseded by this standard): GB/T 7934-1987 Regulation (derived from): National Standard Announcement 2017 No. 29 Issuing agency(ies): General Administration of Quality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 7934-2017: Hydraulic two-port slip-in cartridge valves -- Technical requirements---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 two-port slip-in cartridge valves-Technical requirements ICS 23.100.50 J20 National Standards of People's Republic of China Replacing GB/T 7934-1987 Hydraulic two-way plug-in cartridge valve technical conditions 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 Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 technical requirements 2 5 safety requirements 4 6 performance requirements 4 7 Inspection rules 12 8 logo, packaging, transportation and storage 16 9 Marking instructions 16 Appendix A (Normative) Typical symbols 17 References 19 ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 7934-1987 "two-way cartridge-mounted hydraulic valve technical conditions," compared with GB/T 7934-1987, the main Technical changes are as follows. --- Redefinition of "hydraulic two-way cover-type cartridge valve" terms; --- Added the necessary normative references; --- Increased technical requirements (see Chapter 4); --- Increased safety requirements (see Chapter 5); --- Increased performance requirements (see Chapter 6); --- Increasing the inspection rules (see Chapter 7); --- Added marking, packaging, shipping and storage requirements (see Chapter 8); --- Added annotation (see Chapter 9). This standard is proposed by the China Machinery Industry Federation. This standard by the National Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3) centralized. This standard was drafted unit. Jinan Boer Power Equipment Co., Ltd., too heavy Yuci Hydraulic Industrial Co., Ltd., Shandong Thai Fung Hydraulic Limited, Sykes Hydraulic Technology Co., Ltd., Shanghai Bosch Rexroth Hydraulic and Automation Co., Ltd., Shenyang Northeast Power Regulator Technology Co., Ltd., Beijing Huade Hydraulic Industrial Group Co., Ltd., Shandong Zhongchuan Hydraulic Co., Ltd. The main drafters of this standard. Li Wenjun, Wang Zhenhua, Liang Yong, meters with columns, Gao Wei Lei, Zhang Kai, Hu Qihui, Zheng Xueming, Lei Li, Yang Xiaodong, Wang Zhimin, 郇 Qingxiang, Liu Jun, Wang Jinghai. This standard replaces the standards previously issued as. --- GB/T 7934-1987. Hydraulic two-way plug-in cartridge valve technical conditions1 ScopeThis standard specifies the hydraulic two-way cover plate cartridge valve technical conditions, including technical requirements, safety requirements, performance requirements, inspection rules, Logo packaging requirements and so on. This standard applies to the hydraulic oil or mineral oil equivalent performance of other liquids as the working medium hydraulic two-way cover plate cartridge valve.2 Normative referencesThe 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 786.1 fluid drive systems and components graphical symbols and circuit diagrams (GB/T 786.1-2009, ISO 1219-1.2006, IDT) GB/T 1804 General tolerances Tolerances for linear and angular dimensions without tolerance (GB/T 1804-2000, eqvISO 2768-1.1989) GB/T 2346 fluid transmission system and components of nominal pressure series (GB/T 2346-2003, ISO 2944.2000, MOD) GB/T 2877 hydraulic two-way cover cartridge valve installation connection size GB/T 3098.1 fasteners mechanical properties of bolts, screws and studs (GB/T 3098.1-2010, ISO 898-1.2009, MOD) General rules and safety requirements for GB/T 3766 hydraulic transmission systems and their components (GB/T 3766-2015, ISO 4413. 2010, MOD) GB/T 6461 Metallic substrates and metal and other inorganic coatings after corrosion test specimens and specimens of the rating GB/T 7935 hydraulic components General technical conditions GB/T 10125 artificial atmosphere corrosion test salt spray test GB/T 14039-2002 Hydraulic fluid solid particles pollution level code (ISO 4406.1999, MOD) GB/T 17446 fluid transmission systems and components vocabulary (GB/T 17446-2012, ISO 5598.2008, IDT) JB/T 5922 hydraulic two-way cartridge valve graphic symbols Hydraulic parts cleanliness assessment methods and hydraulic parts cleanliness index Test method for hydraulic two - way cartridge valve3 Terms and definitionsGB/T 17446 defined and the following terms and definitions apply to this document. 3.1 Hydraulic two-way plug-in cartridge valve hydraulictwo-portslip-incartridgevalves By the insertion of components, control cover, pilot components, cartridge valve block and other components, the use of slide-in components inserted into the installation of the plug Install valve spool on the valve hole for the flow direction, pressure and flow of two-way hydraulic valve. 3.2 Insert the component slip-incartridgecomponent Components consisting of a valve sleeve, a valve plug, a spring, a seal and the like, which are inserted by means of insertion. 3.3 Control cover controlcover Cover for inserting the component. Note. Usually, the control cover is machined with control ports, control channels, pin holes, process holes, and mounting surfaces or mounting holes for pilot components. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 7934-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 7934-2017_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 7934-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 7934-2017_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. 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Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |