PRESSURE OPERATED ASCO VALVE SERIES 390 VALVE 3/2 NC BRONZE ENTRY UNDER DISC G.2 D=50 OPERATOR D=90 PILOT PRESSURE 5 BAR + Option 666002 ( SIGNALLING BOX MOUNTED ON BRONZE AND STAINLESS STEEL VALVE 2 MECHANICAL SWITCHES (SM2) Option 666050 ( LENGTHENING STEM FOR SIGNALLING BOX MOUNTED ON VALVE MECHANICAL SWITCH 390 DN 32-40-50 T 63 AND T 90 )