JB/T 6902-2008
Methods for liquid penetrant examination of valves (English Version)

Standard No.

JB/T 6902-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Machinery

Latest

JB/T 6902-2008

Replace

JB/T 6902-1993

Scope

This standard specifies the general requirements for liquid penetrant testing of surface opening defects, penetrant testing methods, and grade classification of defect display traces. This standard is applicable to the detection of surface opening defects produced during the manufacturing, installation and use of valves. This standard does not apply to non-surface opening defects and porous materials.

JB/T 6902-2008 Referenced Document

• GB 11533-1989 Standard Logarithmic Vision Chart (Abolished)
• GB/T 5097-2005 Non-destructive testing-Penetrant testing and magnetic particle testing-Viewing conditions
• JB/T 6064-2006 Non-destructive testing Blocks for penetrant testing
• JB/T 9213-1999 Non destructive testing.Penetrant testing.A type comparator block

JB/T 6902-2008 history

• 2008 JB/T 6902-2008 Methods for liquid penetrant examination of valves
• 1993 JB/T 6902-1993 Liquid Penetrant Inspection Method for Valve Steel Castings