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CJ/T 179-2018 English PDF

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Q: Should I purchase the latest version CJ/T 179-2018?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version CJ/T 179-2018 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$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
CJ/T 179-2018: Self-operated flow control valve
Status: Valid

CJ/T 179: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
CJ/T 179-2018	229	Add to Cart	3 days	Self-operated flow control valve	Valid
CJ/T 179-2003	359	Add to Cart	3 days	Self-operated flow control valve	Obsolete

Similar standards

GB/T 21087 CJ/T 395 GB 25034 CJJ/T 291 CJJ/T 185 CJJ 179

Basic data

Standard ID: CJ/T 179-2018 (CJ/T179-2018)
Description (Translated English): Self-operated flow control valve
Sector / Industry: Urban Construction Industry Standard (Recommended)
Classification of Chinese Standard: P46
Classification of International Standard: 91.140.10
Word Count Estimation: 10,175
Date of Issue: 2018-11-16
Date of Implementation: 2019-05-01
Older Standard (superseded by this standard): CJ/T 179-2003
Quoted Standard: GB/T 1220; GB/T 1239.2; GB/T 12225; GB/T 12226; GB/T 12227; GB/T 12229; GB/T 12716; GB/T 13808; GB/T 13927; GB/T 17241.6; GB/T 23934
Regulation (derived from): Ministry of Housing and Urban-Rural Development Announcement 2018 No. 296
Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary: This standard specifies the classification and marking, general provisions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of self-operated flow control valves (hereinafter referred to as control valves). This standard is applicable to self-operated flow control valves used in heating (cold) systems with medium inlet pressure less than 2.5 MPa, temperature of 4 ��C to 150 ��C, and water as medium.

CJ/T 179-2018: Self-operated flow control valve

---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.
Self-operated flow control valve ICS 91.140.10 P46 People's Republic of China urban construction industry standards Replacing CJ/T 179-2003 Self-operated flow control valve Published on.2018-11-16 2019-05-01 implementation Ministry of Housing and Urban-Rural Development

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and Marking 2 5 General requirements 2 6 Requirements 4 7 Test method 4 8 Inspection rules 5 9 Cleaning and Handling 6 10 Marking, packaging, transportation and storage 7

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is a revision of CJ/T 179-2003 "Self-operated flow control valve", compared with CJ/T 179-2003, the main technical content The changes are as follows. --- Increased the scale indication display requirements of the control valve; --- Increase the upper limit of the adaptation range of the working pressure difference of the self-operated flow control valve; ---Modified the working pressure of the control valve; --- Modified the material category used by the spring. This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development. This standard is under the jurisdiction of the Heating Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development. This standard was drafted. Beijing Beihua Heating Co., Ltd., Beijing Gas Thermal Engineering Design Institute Co., Ltd., Hebei Balance Valve System Manufacturing Co., Ltd., Hebei Tongli Automatic Control Valve Manufacturing Co., Ltd., Beijing Far East Instrument Co., Ltd., Wen'an County Jielan Special HVAC Equipment Co., Ltd. The main drafters of this standard. Wang Jianguo, Wang Wei, Guo Xu, Cui Xiaoqian, Lu Chao, Wang Li, Song Yumei, Ma Li, Shi Dongchun, Wang Wei. The previous versions of the standards replaced by this standard are. ---CJ/T 179-2003. Self-operated flow control valve

1 Scope

This standard specifies the classification and marking, general regulations, requirements, test methods and inspections of self-operated flow control valves (hereinafter referred to as control valves). Rules, signs, packaging, transportation and storage. This standard is applicable to heating (cold) systems with medium inlet pressure less than 2.5 MPa, temperature of 4 °C~150 °C, and water as medium. Self-operated flow control valve.

2 Normative references

The following documents are indispensable for the application of this document. 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 1220 stainless steel rod GB/T 1239.2 Technical requirements for cold coiled cylindrical springs - Part 2. Compression springs GB/T 12225 general valve copper alloy casting technical conditions GB/T 12226 general valve gray cast iron parts technical conditions GB/T 12227 general valve ductile iron casting technical conditions GB/T 12229 general valve carbon steel casting technical conditions GB/T 12716 60° sealed pipe thread GB/T 13808 copper and copper alloy extruded rod GB/T 13927 industrial valve pressure test GB/T 17241.6 integral cast iron flange GB/T 23934 hot coil cylindrical spiral compression spring technical conditions

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 When working, it does not rely on external power, and maintains a valve with a constant flow rate within a certain working pressure range. 3.2 Set the flow definiteflow Adjust the opening of the control valve and control the flow as determined by the requirements. 3.3 Pressure sensitive component componentofpressureperception A component that senses changes in media pressure and drives the valve flap to automatically perform control functions. 3.4 Working pressure difference workingpressuredifference Acting on both ends of the control valve allows the control valve to properly achieve the differential pressure of the flow control function. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of CJ/T 179-2018_English be delivered?

Answer: Upon your order, we will start to translate CJ/T 179-2018_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 CJ/T 179-2018_English with my colleagues?

Answer: Yes. The purchased PDF of CJ/T 179-2018_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.

Question 5: Should I purchase the latest version CJ/T 179-2018?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version CJ/T 179-2018 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.