PRESSURE OPERATED ASCO VALVE SERIES 290 2/2 NC BRONZE BODY ENTRY UNDER DISC FLANGED D=40 OPERATOR D=90 PILOT PRESSURE 4 BAR + SM2 ( SIGNALLING BOX MOUNTED ON BRONZE AND STAINLESS STEEL VALVE 2 MECHANICAL SWITCHES ) + ( LENGTHENING STEM FOR SIGNALLING BOX MOUNTED ON VALVE MECHANICAL SWITCH 290 DN 25-65 D=63 AND 90 )