BS 5963:1981:1989 Edition
$142.49
Specification for electrically operated automatic gas shut-off valves
Published By | Publication Date | Number of Pages |
BSI | 1989 | 28 |
Safety requirements and performance of valves for use on plant and appliances burning 1st, 2nd and 3rd family gases, for declared operating pressure up to 2 bar and of connection size DN 150 and below.