|
US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
CJ/T 256-2016: Pilot control pressure reducing valve
Status: Valid CJ/T 256: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 256-2016 | English | 299 |
Add to Cart
|
3 days [Need to translate]
|
Pilot control pressure reducing valve
| Valid |
CJ/T 256-2016
|
| CJ/T 256-2007 | English | 599 |
Add to Cart
|
3 days [Need to translate]
|
Pilot control pressure reducing valve
| Obsolete |
CJ/T 256-2007
|
PDF similar to CJ/T 256-2016
Basic data | Standard ID | CJ/T 256-2016 (CJ/T256-2016) | | Description (Translated English) | Pilot control pressure reducing valve | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P40 | | Classification of International Standard | 91.140 | | Word Count Estimation | 13,171 | | Date of Issue | 2016-06-14 | | Date of Implementation | 2016-12-01 | | Older Standard (superseded by this standard) | CJ/T 256-2007 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Bulletin 2016 No. 1177 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the terms and definitions, structural types, types, technical characteristics, materials, requirements, test methods, inspection rules, marking, packaging and storage of split pilot relief valves (hereinafter referred to as pressure reducing valves). This standard applies to nominal pressure PN10 ~ PN25, nominal size DN50 ~ DN800. Medium for the water, the temperature is not higher than 80 ��, water supply and air conditioning water pipe system, such as the valve. | CJ/T 256-2016: Pilot control pressure reducing 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.
Pilot control pressure reducing valve
ICS 91.140
P40
People's Republic of China urban construction industry standards
Replacing CJ/T 256-2007
Split pilot pressure regulator
2016-06-14 released
2016-12-01 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 CJ/T 256-2007 "split pilot-pressure regulator valve" amendment, this standard compared with the CJ/T 256-2007
To technical changes are as follows.
--- Modify some terms and definitions;
--- Increased the main parts materials and grades;
--- Modify the standard length of the structure;
--- Increased coating inspection project requirements;
--- Modify the durability of the number of opening and closing cycles numerical;
--- Modify the rules of the decision items.
This standard proposed by the Ministry of Housing and Urban Standard and Design Institute.
This standard by the Ministry of Housing and Urban Water Supply and Drainage Standardization Technical Committee building centralized.
This standard was drafted. China Construction Metal Structure Association, Guangdong Yongquan Valve Technology Co., Ltd., Shanghai Guanlong Valve Machinery Co., Ltd.
Division, Anhui Hongxing Valve Co., Ltd., Shanghai and Shanghai Airlines Valve Co., Ltd., Jinan Meade Casting Co., Ltd., Hangzhou Chunjiang Valve Co., Ltd.,
Valve Ange Water Treatment Systems (Taicang) Co., Ltd., Ningbo Huacheng Valve Co., Ltd., Shanghai Ou Telai Valve Machinery Co., Ltd., Shanghai Dragon
Valve Factory, Tianjin Guowei Drainage Equipment Manufacturing Co., Ltd., Fujian Jinding Architectural Development Co., Ltd.
The main drafters of this standard. Wah Ming nine, Liu Jian, Liu Jie, Wang Guangjie, Zhang Yanhui, Cao Yong, Ge Xin, Chen Jianming, Li Zhenghong, Chen sent, Han Wei,
Chen Suliang, Kong Linglei, Chai Weimin, Jiang Weijun, Wang Chaoyang, Guan Jinhua, Ji Nengping, Liu Yong, Luo Jinhai.
This standard replaces the standards previously issued as follows.
--- CJ/T 256-2007.
Split pilot pressure regulator
1 Scope
This standard specifies the terms and definitions, pilot type, type, technical characteristics of the pilot-operated pressure reducing valve (hereinafter referred to as the pressure reducing valve)
Materials, requirements, test methods, inspection rules, marking, packaging and storage.
This standard applies to the nominal pressure PN10 ~ PN25, nominal size DN50 ~ DN800, the medium is water, the temperature is not higher than 80 ℃, to
Water and air conditioning water piping systems such as the valve.
2 Normative references
The 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 196 ordinary thread basic size
GB/T 1220 stainless steel rod
GB/T 1222 spring steel
GB/T 1239.2 Technical conditions of cold ring cylindrical coil spring - Part 2. Compression spring
GB/T 1415 metric seal screw thread
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerance
GB/T 2059 copper and copper alloy strip
Nonmagnetic coatings on magnetic substrates - Measurement of thickness of coatings - Magnetic method
Paints and varnishes - Determination of film hardness by pencil method
GB/T 7306.1 55 ° sealing pipe threads - Part 1. Cylindrical and tapered male thread
GB/T 7306.2 55 ° sealing pipe threads - Part 2. Female and female conical taper threads
GB/T 8923.1 steel coating surface treatment before the visual determination of surface cleanliness - Part 1. Uncoated steel
Surface and the full removal of the original coating steel surface corrosion level and treatment level
GB/T 9286 Paints and varnishes - Cross-hatch test
GB/T 12220 industrial valve logo
GB/T 12225 common valve copper alloy castings technical conditions
GB/T 12227 General valve ductile iron specifications
GB/T 12244 pressure relief valve general requirements
GB/T 12245 pressure reducing valve performance test methods
GB/T 12246 pilot pressure reducing valve
GB/T 17219 drinking water distribution equipment and protective materials safety evaluation criteria
GB/T 17241.6 overall cast iron flange
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
GB 26640 valve shell minimum wall thickness size requirements specifications
JB/T 308 valve model preparation methods
JB/T 2205 relief valve structure length
JB/T 7928 industrial valve delivery requirements
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of CJ/T 256-2016_English be delivered?Answer: Upon your order, we will start to translate CJ/T 256-2016_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 256-2016_English with my colleagues?Answer: Yes. The purchased PDF of CJ/T 256-2016_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+ countriesQuestion 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 [email protected]. 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 256-2016?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version CJ/T 256-2016 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.
|