PRESSURE OPERATED ASCO VALVE SERIES 290 VALVE 2/2 NC STAINLESS STEEL ENTRY UNDER DISC G 1/2 D=15 OPERATOR D=50 PILOT PRESSURE 4 BAR + 666015 OXYGEN APPLICATION SAQ 11012 FOR VALVE SER. 390-290 WITH TEFLON OPERATED 50-63-90-125 N + 666008 + 666051 LENGTHENING STEM FOR SIGNALLING BOX MOUNTED ON VALVE MECHANICAL SWITCH 290 DN 15-25 D=50