PRESSURE OPERATED ASCO VALVE SERIES 290 VALVE 2/2 NC STAINLESS STEEL ENTRY UNDER DISC G 1 D=25 OPERATOR D=50 PILOT PRESSURE 4 BAR Option 666367 (SU ASSY OF SIGNALISATION and SUPPORT FOR DETECTION T-GROOVE FOR VALVES 290, DIAM 50, NO, ALREADY ASSEMBLED ON THE VALVE )