b'SLP/SW SERIESS W S E R I E SDESIGN & PERFORMANCE STANDARD SERIESSW RETAINERLESS SW SERIES (Retainerless)PERFORMANCE STANDARDANSIB16.5[1.5upto24]-FlangeDimensionAPI6D/ANSIB16.10-FacetoFaceDimensionAPI598/ISO5208-Testing,allowableleakagerateANSIB16.34-WallThicknessRETAINERLESS DESIGNTheSWSeriesuniquedesigndoesnthaveashaftholeboredthroughthebodywall,unlikemanycompetitors.Thisuniquedesignprohibitsanypossibilityofshellleakageandmakesthevalveinherentlyfugitiveemissionbydesign.SW SERIES (Retainerless)SW COMPONENTSSP01 BodySP02 DiscSP03 InsertSP04 HingePinSP05 SpringSP06 WasherSP07 SetScrewSW SERIES (Retainerless)SP01SP06SP02SP05SP07 SP03 SP0434 SUPERCHECK - Check Valves - Wafer Style'