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.
BS 5963:1981
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for electrically operated automatic gas shut-off valves
BSI Group , 12/22/1989
Pages: 28
