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GB/T 2514-2008 English PDF

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Q: Should I purchase the latest version GB/T 2514-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2514-2008 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$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 2514-2008: Hydraulic fluid power -- Four-port directional control valves -- Mounting surfaces
Status: Valid

GB/T 2514: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2514-2008	349	Add to Cart	3 days	Hydraulic fluid power -- Four-port directional control valves -- Mounting surfaces	Valid
GB/T 2514-1993	399	Add to Cart	3 days	Hydraulic fluid power. Four-port directional control valves. Mounting surfaces	Obsolete

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Basic data

Standard ID: GB/T 2514-2008 (GB/T2514-2008)
Description (Translated English): Hydraulic fluid power -- Four-port directional control valves -- Mounting surfaces
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.50
Word Count Estimation: 15,137
Date of Issue: 2008-02-28
Date of Implementation: 2008-08-01
Older Standard (superseded by this standard): GB/T 8099-1987; GB/T 2514-1993
Quoted Standard: GB/T 1031; GB/T 1182; GB/T 1800.4-1999; GB/T 14043-2005; GB/T 17446
Adopted Standard: ISO 4401-2005, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.3 (Total No.116)
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
Summary: This standard provides four ports of hydraulic directional control valve mounting surface dimensions and related data. This standard applies to hydraulic four port directional control valve and plate or manifold.

GB/T 2514-2008: Hydraulic fluid power -- Four-port directional control valves -- Mounting surfaces

---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. Four-port directional control valves. Mounting surfaces ICS 23.100.50 J20 National Standards of People's Republic of China Replacing GB/T 2514-1993, GB/T 8099-1987 Hydraulic fluid power - Four - port directional control valves - Mounting surfaces (ISO 4401.2005, MOD) Posted 2008-02-28 2008-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 4401.2005 "Hydraulic Four - port directional control valve mounting surface" (in English). This standard and ISO 4401.2005 technical content is basically the same, only the following minor modifications. --- Remove introduction of international standards and references; --- The corresponding reference standards in place of national standards with international standards; --- Delete all tables on the required pressure "Notes to Table"; --- The figures of "footnote" content into Chapter 7; Chapter 7 title changed to "technical requirements"; --- Delete Table 2, Table 3, Table 8 "NOTE. The backplane connector should consider port seal"; --- Table 9, G1 hole x0 axis position size 138.6 to 147.6. This standard replaces GB/T 2514-1993 "Hydraulic fluid power - Four - port directional control valve mounting surfaces", GB/T 8099-1987 "hydraulic superimposed Valve mounting surface, "compared with its main changes are as follows. --- Change the code representation of the mounting surface. --- The main ports were changed to a maximum diameter 4,6.3,23.4 4.5,7.5,25. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee of hydraulic and pneumatic (SAC/TC3) centralized. This standard is drafted by. Beijing Huade Hydraulic Industrial Group Co., Ltd. Participated in the drafting of this standard. Dalian virtue Hydraulic Pneumatic Engineering Co., Ltd., Shanghai Lixin Hydraulic Co., Ltd. The main drafters of this standard. Qing Kang, Zhou Liqin, Zhou IVECO, Lin Guang, Shanghai Hai Peng, Zhu Jian roots. This standard replaces the standards previously issued as follows. --- GB 2514-1981, GB/T 2514-1993; --- GB/T 8099-1987. Hydraulic fluid power - Four - port directional control valves - Mounting surfaces

1 Scope

This standard specifies the hydraulic four - port directional control valve mounting surface dimensions and related data. This standard applies to hydraulic four - port directional control valve and its connecting plate or manifold.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1031 surface roughness parameters and their values GB/T 1182 General shape and position tolerances, definitions, symbols, indications on drawings (GB/T 1182-1996, eqv ISO 1101. 1996) GB/T 1800.4-1999 Limits and fits standard tolerance grades and limit deviations for holes and shafts of (eqv ISO 286-2. 1988) GB/T 14043-2005 Hydraulic valve mounting surfaces and cartridge valve cavities identification code (ISO 5783.1995, IDT) GB/T 17446 Fluid power systems and components Terminology (GB/T 17446-1998, idt ISO 5598. 1985)

3 Terms and definitions

GB/T 17446 to determine the terms and definitions apply to this standard.

4 Symbol

4.1 Standard, the following letter symbols. a) A, B, L, P, T, T1, X, and Y represents a port; b) F1, F2, F3, F4, F5 and F6 represent a threaded hole; c) G, G1, G2 represents dowel hole. 4.2 standards adopted in line with the mounting surface Code GB/T 14043-2005 predetermined code rule.

5 Tolerance

5.1 mounting surface (that is, in an area chart crude within dotted line) using the following values. a) Surface roughness. according to GB/T 1031 regulations, R Rao ≤0.8μm; b) surface flatness. according to GB/T 1182 provides that any 100 × 100mm2 range of 0.01mm; c) locating pin hole diameter tolerance. according to GB/T 1800.4-1999 prescribed H12. 5.2 starting from the origin of coordinates along the x0 axis and y-axis position of the hole size tolerance as follows. a) locating pin hole. ± 0.1mm; b) a threaded hole. ± 0.1mm; c) Port. ± 0.2mm.

6 mounting surface and code size

6.1 Main port maximum diameter of 4.5 m1 m1 four-port control valve mounting surface (port Specification code. 02) a) mounting surface Code. GB/T 2514-02-01-0-2008; b) dimensions shown in Figure 1, Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 2514-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 2514-2008_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 GB/T 2514-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 2514-2008_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 2514-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2514-2008 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.