Specifies essential requirements for the construction and performance of independent self-acting governors for 1st and 2nd family gases with outlet pressures above 4 mbar and not exceeding 15 mbar and with connections between ⅛ in and 2 in BSP for domestic, catering and commercial appliances.
BS 3554-1:1971
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for gas governors-Independent governors for inlet pressures up to 25 mbar
BSI Group , 04/14/1972
