|
US$129.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12250-2023: Automatic steam traps - Marking
Status: Valid GB/T 12250: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12250-2023 | English | 129 |
Add to Cart
|
3 days [Need to translate]
|
Automatic steam traps - Marking
| Valid |
GB/T 12250-2023
|
| GB/T 12250-2005 | English | 209 |
Add to Cart
|
3 days [Need to translate]
|
Automatic steam traps -- Term, Marking, Face-to-face dimensions
| Valid |
GB/T 12250-2005
|
| GB/T 12250-1989 | English | 199 |
Add to Cart
|
2 days [Need to translate]
|
Automatic steam traps. Face-to-face dimensions
| Obsolete |
GB/T 12250-1989
|
PDF similar to GB/T 12250-2023
Basic data | Standard ID | GB/T 12250-2023 (GB/T12250-2023) | | Description (Translated English) | Automatic steam traps - Marking | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J16 | | Classification of International Standard | 23.060.01 | | Word Count Estimation | 6,667 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Older Standard (superseded by this standard) | GB/T 12250-2005 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 12250-2023: Automatic steam traps - Marking---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.
ICS 23:060:01
CCSJ16
National Standards of People's Republic of China
Partially replaces GB/T 12250-2005
steam trap logo
(ISO 6553:2016,MOD)
Published on 2023-12-28
2024-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 1
5 Marks that should be used 1
6 Optional logos 2
7 Additional signs 2
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document partially replaces GB/T 12250-2005 "Steam Trap Terminology, Markings, Structural Length" and replaces GB/T 12250-
Compared with the marking part of GB/T 12250-2005, in addition to structural adjustments and editorial changes, the main technical changes are
transformed as follows:
a) The logo that should be used has been changed (see Chapter 5, 5:2 of the:2005 edition);
b) The optional signs have been changed (see Chapter 6, 5:3 of the:2005 edition):
This document has been modified to adopt ISO 6553:2016 "Steam Trap Marking":
The technical differences between this document and ISO 6553:2016 and their reasons are as follows:
a) Added the terms and definitions of “maximum allowable pressure” and “maximum allowable temperature” used in this document (see Chapter 3) for convenience
Use of this document;
b) Replaced ISO 5209 and EN19 (see Chapter 5) with normatively cited GB/T 12220 to adapt to practical applications
need:
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Valve Standardization Technical Committee (SAC/TC188):
This document was drafted by: Hefei General Machinery Research Institute Co:, Ltd:, Yingqiao Machinery Manufacturing Co:, Ltd:, Fujian Special Equipment Inspection Research Institute
Research Institute, Gansu Hongfeng Machinery Co:, Ltd:, Beijing Drain Valve Factory, Bei Valve Group Beijing Valve Co:, Ltd:, Zhejiang Deka Control Valve Instrument
Co:, Ltd:, Guogong Holding Group Co:, Ltd:, Henan Saifu Special Equipment Testing Co:, Ltd:, Guangxi Xinchen Special Equipment Testing Co:, Ltd:
Division, Sichuan Kaici Valve Manufacturing Co:, Ltd:, Yancheng Jinggong Valve Co:, Ltd:, Ovik Group Co:, Ltd:, Zhejiang Jinlong Copper Co:, Ltd:
Ltd:
The main drafters of this document: Hao Weisha, Hu Jun, Wang Jianguang, Chen Yashan, Liu Min, Hong Qiaofa, Hong Yixiang, Kang Kang, Yu Jinli, Jing Dongyang,
Wu Linjun, Gao Hui, Xiong Yunhua, Guo Li, Zou Cheng, Ye Xianbin, Jin Junwei:
The previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 12249-1989 in 1989;
---In the first revision in:2005, GB/T 12248-1989 "Steam Trap Terminology" and GB/T 12250-1989 were incorporated
Contents of "Structure Length of Steam Trap";
---This is the second revision:
steam trap logo
1 Scope
This document specifies the general requirements for steam trap markings, the markings that should be used, optional markings and additional markings:
This document applies to steam traps:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 12220 Industrial valve marking (GB/T 12220-2015, ISO 5209:1977, MOD)
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
The highest pressure that a steam trap housing can sustain permanently at a given temperature:
3:2
The highest temperature that a steam trap shell can sustain for a given pressure:
4 General requirements
The steam trap mark can be placed on the valve body or on the nameplate: The nameplate should be firmly fixed to the valve body or valve cover: Make sure the installation is secure
When operating a trap, the mark is not covered:
5 Marks that should be used
The following symbols should be used on steam traps:
---Manufacturer's name and/or trademark;
---Maximum allowable pressure (MPa);
---Maximum allowable temperature (℃);
---Media flow direction (arrow);
---Valve body material;
---Nominal size (DN or NPS);
---Nominal pressure (PN or Class):
The signs used above should comply with the provisions of GB/T 12220: If the steam trap does not have a corresponding nominal pressure (PN or
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 12250-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 12250-2023_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 12250-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 12250-2023_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 GB/T 12250-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12250-2023 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.
|