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GB/T 27795-2011: Test method for corrosion testing of non-metallic gaskets
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27795-2011 | English | 169 |
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Test method for corrosion testing of non-metallic gaskets
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GB/T 27795-2011
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Basic data | Standard ID | GB/T 27795-2011 (GB/T27795-2011) | | Description (Translated English) | Test method for corrosion testing of non-metallic gaskets | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q69 | | Classification of International Standard | 23.100.60 | | Word Count Estimation | 7,733 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-08-01 | | Quoted Standard | GB/T 9126-2008 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 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 non-metallic gaskets (hereinafter referred to as spacers) at different temperatures and pressures corrosive environments test methods. If the flange is very flat (industry allowed), the test unit can use glass-lined materials to be used in addition to hydrofluoric acid and other corrosive chemicals tests. Temperature can range from cryogenic to 260��C, the pressure range from full vacuum to the test unit can withstand the pressure. This standard is used to compare the analog practical operating conditions of various types of gaskets. Chemical process inputs gasket before testing these properties. Test unit designed to provide a maximum range of corrosion-resistant in order to obtain meaningful results. | GB/T 27795-2011: Test method for corrosion testing of non-metallic gaskets---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.
Test method for corrosion testing of non-metallic gaskets
ICS 23.100.60
Q69
National Standards of People's Republic of China
Corrosion test methods for non-metallic gaskets
Issued on. 2011-12-30
2012-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard corresponds to ASTMF363-99a (2004 confirmation) "gasket corrosion test methods", its technical content are basically the same. this
Standards and ASTMF363-99a (2004 confirmed) compared to locally made the following modifications.
--- Fig Chapter 1 in the Chapter 4, "test device"; and the first and Chapter 3 merger;
--- According to China habits Chapter 2 adds key words; with our standard GB/T 9126-2008 instead ASMEB16.21; the
ASTMF112 incorporated by reference in the final standard;
--- Chapter 5 as the warning on the front of the standard;
--- Deleted the Chapter 10, "Image."
The standard proposed by China Building Materials Federation.
The standard and non-metallic mineral products by the National Standardization Technical Committee (SAC/TC406) centralized.
This standard was drafted. Zhejiang Cathay Pacific sealing materials Co., Ltd., China Mallorca (Shanghai) Co., Ltd., Xianyang non-metallic mineral research
Study Design Institute Limited, China National Institute of Standardization, Zhoushan seamounts sealed Material Co., riders Liangshan Auto Parts Manufacturing Co.,
the company.
The main drafters of this standard. HEZE Wu Yimin, Sun Jinlong, Feng Mei, Tao, Shi Zhongtang, Zhang Zhongdong, Shang Xingchun, Hou color red.
Corrosion test methods for non-metallic gaskets
Warning. Since the test unit without vent should not be used at the test temperature instability corrosive liquids. Heater power should be limited
Rate, in order to avoid the risk of high temperature when the temperature control. Test should be aware, under certain experimental conditions, these precautions are not enough.
Under certain conditions, the user can take extra safety precautions.
1 Scope
This standard specifies the non-metallic gaskets (hereinafter referred to as pads) Test Method in corrosive environments at different temperatures and pressures in the. Such as
If the flange is very flat (industry allowed), the test unit may use a glass-lined materials to be used for other corrosive chemicals except hydrofluoric acid outside
Test article. Temperature range from cryogenic to 260 ℃, the pressure range from full vacuum to the test unit can withstand pressure.
This standard is used to compare the various types of analog pads under practical operating conditions. To test gasket before putting this chemical process
Some performance. Test unit designed to provide a maximum range of corrosion-resistant, in order to obtain meaningful results.
NOTE. When both parties agree that this test can be used as routine tests.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 9126-2008 Non-metallic flat gaskets for pipe flanges Dimensions
3 test device
At the design pressures up to 260 ℃ 1034kPa the test cell, as shown in Fig.
Figure 1 test unit
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