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GB/T 12622-2008 English PDF

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Q: Should I purchase the latest version GB/T 12622-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12622-2008 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.

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12622-2008: Standard test method for compressibility and recovery of gaskets for pipe flanges
Status: Valid

GB/T 12622: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12622-2008	189	Add to Cart	3 days	Standard test method for compressibility and recovery of gaskets for pipe flanges	Valid
GB/T 12622-1990	239	Add to Cart	2 days	Test method for compressibility and recovery of gaskets for pipe flanges	Obsolete

Similar standards

GB/T 12385 GB/T 9125.2 GB/T 13401 GB/T 45182 GB/T 12621

Basic data

Standard ID: GB/T 12622-2008 (GB/T12622-2008)
Description (Translated English): Standard test method for compressibility and recovery of gaskets for pipe flanges
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 23.040.60
Word Count Estimation: 8,871
Date of Issue: 2008-05-07
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 12622-1990
Regulation (derived from): National Standard Approval Announcement 2008 No.7 (Total No.120)
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 pipe flange gasket compression ratio and spring rate of A, B two test methods. A test method applies to asbestos rubber gasket, non- asbestos rubber gasket, PTFE gasket, expansion or modified PTFE gasket, flexible graphite composite gasket. Test Method B is suitable for spiral wound gasket, metal jacketed gaskets, PTFE envelope gaskets, has a toothed metal and nonmetal cover layer, corrugated metal and wave toothed metal gasket. The method is also applicable to Test Method A applies gasket, metal gasket can be conducted with reference to the level of the method.

GB/T 12622-2008: Standard test method for compressibility and recovery of gaskets for pipe flanges

---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.
Standard test method for compressibility and recovery of gaskets for pipe flanges ICS 23.040.60 J15 National Standards of People's Republic of China Replacing GB/T 12622-1990 Test methods for pipe flanges with gaskets compression rate and rebound rate Posted 2008-05-07 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is GB/T 12622-1990 "pipe flange gasket compression rate and rebound rate test method" amendment, and GB/T 12622-1990 compared to the main changes are as follows. --- The scope of the standard was amended to increase the non-asbestos rubber gasket, PTFE gasket, expanded or modified polytetrafluoroethylene Ene gaskets, flexible graphite gaskets, non-metallic coating layer having a toothed metal, corrugated metal and metal gasket wave tooth; --- Test Method A, with respect to the type of gasket increased, the corresponding increase in supplemented Head Diameter, pretreatment methods and test specimens Load and other regulations; --- Test Method B, the supplemental provisions increase the total load of the gasket; --- Test temperature to 21 ℃ ~ 30 ℃, in order to be consistent with ASTMF36-99; --- Increased the number of tests and test content reporting requirements. From the date of implementation of this standard, instead of the GB/T 12622-1990. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee pipe accessories. This standard was drafted. the machine Productivity Promotion Center, Nanjing University, Zhejiang Cathay Pacific sealing materials Co., Ltd., Ningbo-day To Xinyuan Sealing Technology Co., Ltd., Ningbo born seals Limited, National Non-metallic mineral products Quality Supervision and Inspection Center, CHINA the University. The main drafters of this standard. Gu Boqin, Li Junying, Wu Yimin, Cairen Liang, Yuan Yilin, Li root row, Chen Ye, Lei Jianbin, Feng Mei. This standard replaces the standards previously issued as follows. --- GB/T 12622-1990. Test methods for pipe flanges with gaskets compression rate and rebound rate

1 Scope

This standard specifies the pipe flange gasket compression rate and rebound rate of A, B two test methods. Test Method A suitable asbestos rubber gasket, non-asbestos rubber gasket, PTFE gasket, expanded or modified polytetrafluoroethylene pad Sheet, flexible graphite gasket. Test Method B is suitable for spiral wound gasket, metal jacketed gasket, PTFE-coated gaskets, non-metallic coating layer having a gold tooth Genera, and corrugated metal gasket metal wave tooth. This method also applies to Test Method A applies gasket, metal flat gasket may also refer to This method.

2 Test Method A

2.1 Test apparatus 2.1.1 Test on a dedicated resilient gasket compression test apparatus, Figure 1 is an example of the test apparatus. 1 --- anvil; 2 --- ram; 3 --- displacement sensor; 4 --- heavy mound; 5 --- fulcrum; 6 --- Tour mound; 7 --- lever; 8 --- operation panel; . 9 --- display; 10 --- printer. Figure 1 applies to Test Method A gasket compression rebound performance test device 2.1.2 anvil diameter of not less than 31.7mm round table, subject to surface hardening and grinding process, the hardness is not less than 40HRC, surface roughness ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12622-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12622-2008_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 12622-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12622-2008_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+ countries

Question 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 Sales@ChineseStandard.net. 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 12622-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12622-2008 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.