PRESSURE OPERATED ASCO VALVE SERIES 290 VALVE 2/2 NC BRONZE ENTRY UNDER DISC G 1 1/2 D=40 OPERATOR D=125 PILOT PRESSURE 4 BAR + OPTION Option666015 ( OXYGEN APPLICATION SAQ 11012 FOR VALVE SER. 390-290 WITH TEFLON OPERATED 50-63-90-125 (N) ) + OPTION 666066 ( VACUUM APPLICATION ON 290 VALVE D=40 OPERATOR D=63-90 (VM) )