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GB/T 25477-2010: Anti-corrosion magnetic turning column fluid level gauge
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25477-2010 | English | 229 |
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Anti-corrosion magnetic turning column fluid level gauge
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GB/T 25477-2010
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Basic data | Standard ID | GB/T 25477-2010 (GB/T25477-2010) | | Description (Translated English) | Anti-corrosion magnetic turning column fluid level gauge | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N12 | | Classification of International Standard | 25.040.40 | | Word Count Estimation | 10,183 | | Date of Issue | 2010-12-01 | | Date of Implementation | 2011-05-01 | | Quoted Standard | GB 150-1998; GB/T 191; GB/T 7993-2003; GB/T 13384; GB/T 20730.1; GB/T 25480; HG 20536-1993; JB/T 4730-2005; QB/T 3624-1999; QB/T 3625-1999 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2010 No. 9 (No. 164 overall) | | 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 column turned corrosion magnetic level gauge (hereinafter referred to as level gauge) the types and basic parameters, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to all tight lining poly vinyl chloride (PTFE) material is corrosion isolation layer (hereinafter referred to as isolation layer) level gauge, the gauge suitable for acid, alkali, strong corrosive liquid level detection and control. | GB/T 25477-2010: Anti-corrosion magnetic turning column fluid level gauge---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.
Anti-corrosion magnetic turning column fluid level gauge
ICS 25.040.40
N12
National Standards of People's Republic of China
Anticorrosive magnetic level gauge turned column
Issued on. 2010-12-01
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 mainly drafted by. Ko Quzhou of anti-corrosion Instrument Co., Ltd.
Participated in the drafting of this standard. Zhejiang General Assembly Instrument Co., Ltd., Haike Bullock Automation Instrumentation Co., Ltd., Shanghai Industrial Automation
Instrument Research Institute.
The main drafters of this standard. Xiao Jianhua, Zhang Hong, LUO Yu, and Sheng Yi-jen, Tsai Wen-chi.
Anticorrosive magnetic level gauge turned column
1 Scope
This standard specifies the types and basic parameters, technical requirements and test methods for corrosion magnetic level gauge turned column (hereinafter referred to as level gauge), the
Inspection rules and signs, packaging, transportation and storage.
This standard applies to all-tight lining of polytetrafluoroethylene (PTFE) material is a corrosion barrier layer (hereinafter referred to as the spacer layer) level gauge, the liquid
Level meter is suitable for acid, alkali, strong corrosive liquid level detection and control.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 150-1998 Steel Pressure Vessels
GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD)
GB/T 7993-2003 high voltage test method under corrosive conditions of glass-lined equipment (ISO 2746.1998, IDT)
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB/T 20730.1 industrial process control systems with two or more analog input output instrumentation - Part 1. Methods of evaluating performance
(GB/T 20730.1-2006, IEC 61003-1.2004, IDT)
GB/T 25480 Instrumentation transportation, storage and basic environmental conditions and test methods
HG20536-1993 PTFE lining equipment
JB/T 4730-2005 Nondestructive Testing of Pressure Equipments
QB/T 3624-1999 polytetrafluoroethylene tube
QB/T 3625-1999 PTFE sheet
3 Types and basic parameters
Type 3.1
3.1.1 level gauge installed in the form of press is divided into.
a) Side-mounted;
b) top-loading.
3.1.2 output divided by the level gauge.
a) place display type;
b) the electrical signal output type.
Electrical signal may be a continuous quantity (4mAd.c. ~ 20mAd.c.) And (or) switch.
3.2 Basic parameters
a) place the level indicator Resolution. 10mm;
b) measuring upper range. 350mm ~ 6000mm;
c) Process pressure. ≤2.5MPa;
d) Process Temperature. -40 ℃ ~ 150 ℃;
e) Medium density. ≥0.5g/cm3;
f) medium viscosity. ≤200cP;
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