Standard Number: GB/T 26480-2011
Title: Valve inspection and testing
Language: Simplified Chinese & English Version
Publication Date: 2011/5/12
Execute Date: 2011/10/1
Publisher: Chinese Standards(GB)
Number of Pages:14P.;A4
Description:This standard stimulates the petroleum, petrochemical and related industrial valve inspection test of terms and definitions, examination, inspection and supplement, pressure test, the test results, pressure test method, and the certificate of the valve and test again.
This standard is applicable to metal and metal sealing pair of metal, metal and non-metallic elastic material of elastic seal, nonmetal and non-metallic materials of nonmetal seal gate valves, globe valves, plug valves, ball valves, check valves, and butterfly Valve inspection and pressure test.
After agreed by supply and demand, also can be applied to other types of valves.
This standard test project scope includes:
- the appearance of the casting inspection;
- shell test;
- on the seal test;
- low pressure seal test;
- high pressure seal test;
, double block and sealing test;
- high pressure gas shell test.
Cross References:GB/T 12224;JB/T 7927
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