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Industrial-process measurement and control instruments -- Values of nominal working pressure
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GB/T 25925-2010
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Basic data
| Standard ID | GB/T 25925-2010 (GB/T25925-2010) |
| Description (Translated English) | Industrial-process measurement and control instruments -- Values of nominal working pressure |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | N10 |
| Classification of International Standard | 25.040.40 |
| Word Count Estimation | 5,576 |
| Date of Issue | 1/14/2011 |
| Date of Implementation | 5/1/2011 |
| Regulation (derived from) | Announcement of Newly Approved National Standards No. 2 of 2011 |
| 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 industrial automation instruments nominal working pressure range. This Standard is applicable to industrial automation instruments nominal working pressure rating. This standard does not apply to divide the amount of pressure gauges Chau Van Day. |
GB/T 25925-2010: Industrial-process measurement and control instruments -- Values of nominal working pressure
---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.
Industrial-process measurement and control instruments. Values \u200b\u200bof nominal working pressure
ICS 25.040.40
N10
National Standards of People's Republic of China
Industrial Automation Instrumentation
Nominal working pressure range
Issued on. 2011-01-14
2011-05-01 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.
This standard by the national industrial process measurement and control Standardization Technical Committee (SAC/TC124) centralized.
This standard is drafted by. Shanghai Institute of Industrial Automation Instrumentation.
Participated in the drafting of this standard. Shanghai Automation Instrumentation System Inspection and Testing Institute, Shanghai Automation Instrumentation Co., Ltd. Automatic Instrument
Table VII factory, Shanghai Weier Tai Industrial Automation Co., Ltd.
The main drafters of this standard. Li Minghua, Tsai Wen-chi, Fan Ping, Xu Zhen.
This standard is the first release.
Industrial Automation Instrumentation
Nominal working pressure range
1 Scope
This standard specifies the industrial automation instrumentation nominal working pressure range.
This standard applies to industrial automation instrumentation nominal working pressure rating.
This standard does not apply to divide pressure gauge measuring range.
2 Terms and definitions
The following terms and definitions apply to this standard.
2.1
Nominal (operation) pressure valueofnominalworkingpressure
Working pressure rating of the instrument, that instrument during normal operation can work under medium pressure upper limit.
3 Industrial Automation Instrumentation nominal working pressure
Industrial Automation Instrumentation nominal working pressure shall comply with the requirements in Table 1.
Table 1 nominal working pressure in megapascals
Basic series expansions
0.010 0.016 0.025 0.040 (0.050) 0.060 Basic series of key value × 10-n
0.10 0.16 0.25 0.40 0.60
1.0 1.6 (2.0) 2.5 4.0 (5.0) 6.3 (6.4)
10 (11) 16 (20) 25 (26) 3240 (42) (50) 63 (64) 80 series basic key value × 10n
Note 1. The value of non-recommended values \u200b\u200bin parentheses.
Note 2. n is a natural number.
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