GB/T 12220-2015 (English Version) PDF

Standard No.: GB/T 12220-2015
Language: Chinese, Available in English version
Release Date: 2015
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 12220-2015
Replace: GB/T 12220-1989

Scope: This standard specifies the marking content and marking method of industrial valves. This standard applies to industrial metal valves. If the valve product standard is inconsistent with this standard, the requirements in the valve product standard shall prevail. Other valves can be implemented by reference.

GB/T 12220-2015 Referenced Document

GB/T 1047 Pipework components—Definition and selection of nominal size*， 2019-03-25 Update
GB/T 1048 Pipework components—Definition and selection of nominal pressure*， 2019-05-10 Update
GB/T 12716 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads
GB/T 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads
GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 9113 Integral steel pipe flanges