BSI - BS 1552
Specification for Open Bottomed Taper Plug Valves for 1st, 2nd and 3rd Family Gases up to 200 mbar
|Publication Date:||15 April 1995|
|ICS Code (Gas supply systems):||91.140.40|
Specifies requirements and methods of test for the design and performance of manually operated open bottomed taper plug valves up to 200 mbar.