ASCO PRESSURE OPERATED VALVE 298 SERIES ASCO VALVE 298 2/2NC TAPPED STAINLESS STEEL BODY G/RP PN40 DN15 OPERATOR D=80 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 666337 ( ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 SIGNALLING BOX MOUNTED ON VALVE 298-398 PILOTING GAS ACT.80)