ASCO PRESSURE OPERATED VALVE 298 SERIES ASCO VALVE 298 2/2NC NPT TAPPED STAINLESS STEEL BODY PN40 DN25 OPERATOR D=100 + Option 612107 ( ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 ATEX CATEGORY 2 FOR VALVE 298-398 SUFFIX GD2 FOR 298 AND 398 VALVE DN15-25-32-40-50 ) + Option 666342 ( ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 SIGNALLING BOX MOUNTED ON VALVE 298-398 PILOTING NPT 2 INTRINSICAL SAFETY SWITCHES*DN20-25 OPER.100 (SH2) )