ASCO PRESSURE OPERATED VALVE 298 SERIES ASCO VALVE 298 2/2NC STAINLESS STEEL BODY ANSI 300 FLANGES PN40 DN25 OPERATOR D=100 + Option 666290 ( ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 OPTION WATERTIGHTNESS METAL/METAL FOR VALVE 298 SUFFIX L FOR VALVE 298 2/2NC DN25 (L) ) + Option 666330 ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 SIGNALLING BOX MOUNTED ON VALVE 298-398 PILOTING NPT 2 MECHANICAL SWITCHES DN25 OPER.100 (SM2)