Path: Home > GB > Page57 > GBZ35140-2017 Home > Standard_List > GB > Page57 > GBZ35140-2017
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/Z 35140-2017 | English | 494 |
Add to Cart
|
3 days [Need to translate]
|
Measurement of fluid flow by means of pressure-differential devices -- Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624
| Valid |
GB/Z 35140-2017
|
PDF similar to GBZ35140-2017
Basic data | Standard ID | GB/Z 35140-2017 (GB/Z35140-2017) | | Description (Translated English) | Measurement of fluid flow by means of pressure-differential devices -- Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624 | | Sector / Industry | National Standard | | Classification of Chinese Standard | N12 | | Classification of International Standard | 17.120.10 | | Word Count Estimation | 26,225 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Standards Bulletin 2017 No. 32 | | 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 | GBZ35140-2017: Measurement of fluid flow by means of pressure-differential devices -- Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624
---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.
Measurement of fluid flow by means of pressure-differential devices - Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624
ICS 17.120.10
N12
People's Republic of China national standardization of technical guidance documents
Use differential pressure to measure fluid flow
GB/T 2624 outside the scope of the orifice plate, nozzle and
Venturi tube usage guide
Guidelinesforthesificationoforificeplates, nozzlesandVenturi
tubesbeyondthescopeofGB/T 2624
(ISO /T R15377.2007, Measurementoffflowsmeansof
plates, nozzles and valves beyond beyond the scope of ISO 5167, IDT)
2017-12-29 published.2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This instructional document has been drafted in accordance with the rules given in GB/T 1.1-2009.
This Guidance Document is translated using the equivalent ISO /T R15377.2007 "Measurement of Fluid Flow with Differential Pressure Devices ISO 5167
Guidelines for the Use of Orifices, Nozzles and Venturi Beyond Range "(in English).
Our document, which corresponds in a consistent manner to the international documents that are normative references in this Guidance Document, is as follows.
--- GB/T 17611-1998 Measurement of fluid flow in closed conduits Terms and symbols (idtISO 4006.1991)
The following technical document has made the following editorial changes.
--- The standard name was changed to "use differential pressure devices to measure fluid flow GB/T 2624 outside the range of orifice plate, nozzle and venturi
Guide to Use. "
This guidance document is proposed by China Machinery Industry Federation.
This Guidance Document is governed by the National Technical Committee for Measurement, Control and Automation of Industrial Processes (SAC/TC124).
The guiding technical document is drafted by Shanghai Institute of Industrial Automation Instrumentation.
The guidance of technical documents to participate in the drafting unit. Beijing Ruipu ternary Instrument Co., Ltd., Jiangyin City, throttling Plant Co., Ltd., Zhejiang
Cangnan Instrument Group East Star Energy Technology Co., Ltd., Shanghai Instrumentation Control System Test Institute, Dantong Tongbo Electric Group.
The main drafters of this guidance document are Xiao Hong Lian, Li Zhenzhong, Yan Yongfeng, Xie Shangpeng, Song Yan Yong, Guo Yonggang, Li Minghua and Wang Jianing.
Use differential pressure to measure fluid flow
GB/T 2624 outside the scope of the orifice plate, nozzle and
Venturi tube usage guide
1 Scope
This Guidance Document specifies the geometric dimensions of the tapered inlet orifice, 1/4 orifice plate, eccentric orifice and 10.5 ° contraction section venturi
Inch and how to use it This guidance document also gives recommendations for the use of rectangular edge plate and nozzles outside the scope of GB/T 2624.
Note The data based on this guidance document may, in some cases, be obsolete or incomplete.
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 2624.1-2006 Measurement of full pipe fluid flow using differential pressure devices installed in circular sectioned pipes - Part 1. General
Principles and requirements (ISO 5167-1.2003, IDT)
ISO 4006 closed pipe fluid flow measurement terms and symbols (Measurementoffluidflowinclosedcon-
duits-Vocabularyandsymbols)
3 Terms and definitions
ISO 4006 and GB/T 2624.1 defined terms and definitions apply to this document.
4 symbol
The symbols in Table 1 apply to this document.
Table 1 symbol
Symbol represents the amount
dimension
M. Quality
L. Length
T. Time
SI unit
a take pressure port aperture L m
C outflow coefficient 1 -
d working conditions under the device orifice or throat diameter Lm
D Working pipe diameter upstream (or classic Venturi upstream diameter) Lm
dtap pressure port diameter L m
e Inner hole thickness (axial length) L m
Price & DeliveryUS$494.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GBZ35140-2017: Measurement of fluid flow by means of pressure-differential devices -- Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624
Status: Valid
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GBZ35140-2017_English be delivered?Answer: Upon your order, we will start to translate GBZ35140-2017_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 GBZ35140-2017_English with my colleagues?Answer: Yes. The purchased PDF of GBZ35140-2017_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. 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. |