ASCO PRESSURE OPERATED VALVE 298 SERIES ASCO VALVE 298 2/2NC TAPPED STAINLESS STEEL BODY G/RP PN40 DN25 OPERATOR D=100 + option 666317 ( ACCESSORY AND SPARE PART FOR ASCO VALVE 298 AND 398 OPTION LOW TEMPERATURE -50D= LT SUFFIX FOR VALVE 298 AND 398 DN25 OPER.100 (LT) )