PRESSURE OPERATED ASCO VALVE SERIES 290 2/2 NC BRONZE BODY ENTRY UNDER DISC FLANGED D=25 OPERATOR D=63 PILOT PRESSURE 2,5 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 )