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GB/T 21386-2008 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21386-2008: Ratio pressure reducing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21386-2008	279	Add to Cart	3 days	Ratio pressure reducing	Valid

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Basic data

Standard ID: GB/T 21386-2008 (GB/T21386-2008)
Description (Translated English): Ratio pressure reducing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J16
Classification of International Standard: 23.060.99
Word Count Estimation: 12,161
Date of Issue: 2008-02-02
Date of Implementation: 2008-07-01
Quoted Standard: GB/T 7306
Regulation (derived from): National Standard Approval Announcement 2008 No.2 (Total No.115)
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 specifies the proportional valve terminology and definitions, structure, technical requirements, test methods, inspection rules, signs, packaging, transport and delivery requirements. This standard applies to nominal pressure PN10 ~ PN25, nominal sizes DN15 ~ DN300, working temperature of not more than 100��C, the working medium is water or physical properties similar to water media.

GB/T 21386-2008: Ratio pressure reducing

---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.
Ratio pressure reducing ICS 23.060.99 J16 National Standards of People's Republic of China Proportional valve Posted 2008-02-02 2008-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. The standard valve by the National Standardization Technical Committee (SAC/TC188) centralized. This standard was drafted. Ningbo Ai Ke US copper valve Co., Ltd., Shanghai Huatong Valve Co., Ltd., HSBC Shanghai Valve Co., Ltd. Company Division Shanghai to open the valve dimension hi Group Co., Ltd. The main drafters of this standard. Zhengxue Zhen, ZHANG Yong-hui, Chen Tiejun, He Weihua. This standard by the National Standardization Technical Committee valve responsible for the interpretation. Proportional valve

1 Scope

This standard specifies the terms and definitions of the proportional valve, structure, technical requirements, test methods, inspection rules, marking, packaging, Transportation and delivery requirements. This standard applies to nominal pressure PN10 ~ PN25, nominal size DN15 ~ DN300, working temperature of not more than 100 ℃, the working medium Physical properties similar to water or aqueous media.

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 7306 55 ° sealing pipe thread (GB/T 7306-2000, eqv ISO 7-1.1994) GB/T 8464-1998 plumbing valve with female connection GB/T 9113.1 flat projection surface Integral steel pipe flanges GB/T 9124 steel pipe flanges GB/T 12224 General requirements for steel valves GB/T 12225 General Valve copper alloy castings GB/T 12226 General Valve gray iron castings GB/T 12227 General Valve iron castings GB/T 12229 Universal valves carbon steel castings GB/T 13927 universal valve pressure test GB/T 15530.1 whole cast copper alloy flanges GB/T 15530.8 copper alloy and composite flanges technical conditions GB/T 17219 in drinking water safety equipment and protective materials evaluation criteria GB/T 17241.6 whole cast iron pipe flanges (GB/T 17241.6-1998, neq ISO 7005-2. 1988) GB/T 17241.7 cast iron pipe flanges (GB/T 17241.7-1998, neq ISO 7005-2. 1988) JB/T 308 model designation of the valve JB/T 7928 General Valve supply requirements

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Before and after the valve pressure relief valve hydraulic proportional valve relatively fixed piston structure. 3.2 After pressure and hydrostatic pressure ratio valve proportional pressure reducing valves before hydrostatic. 3.3 Outlet flow constant when the inlet pressure changes, pressure changes in the value of exports; or certain inlet pressure, outlet flow rate change, the outlet pressure ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21386-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21386-2008_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 21386-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21386-2008_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.