b'TRIPLE OFFSET BUTTERFLY VALVESMODEL SLHBFFS-T 150 TO 2500 CLASS TRIPLE OFFSETMATERIALSBody Carbon Steel / Stainless Steel / Ni-Al-Bronze / Hastelloy/ Inconel / Titanium / OtherDiscCarbon Steel / Stainless Steel / Ni-Al-Bronze / Hastelloy / Inconel / Titanium / Other API 607 7th Ed., ISO 10497-5 API622 2011 2nd EditionAPI607 6th& 7th Ed. ISO 15848-2Firesafe Certified Fugitive EmissionISO 15848-2 CertifiedISO 10497-5Stem 410 SS, 17-4PH & XM-19 & Other Materials Firesafe Certified Fugitive Emission CertifiedSeat321 SS, 316 SS Hardened, 316 SS, Stellite 21 & Other MaterialsSTANDARD MULTI-LAMINATED SEAT TheAPV-Supersealtripleoffsetbutterflyvalvedesign Bodyincorporatesmetalliccompositeconebevelling.Thecam Optional BodySeat Overlayeffectensuresthevalveseatcanbereleasedfromthesealringthroughthewholeswitchingprocesswithzerofriction Disc Sealbetweenvalveseatandplatesealringduringtheentire Compression Retainerstrokeprocess.Thisextendsvalvelife,ensuresnoover-travelofthedisc,allowsforalowertorqueandensures Spiral Wound orbubbletightclosureofthevalve,resultinginzero-leakage Graphite Gasketperformance.Thebutterflyplatesealringisdesignedasmulti-layeredsealring.Thissealcompressesonaradialbasisandmoveflexibly Disc Seat:and elastically. Disc 316 + Graphite XB450 / PTFEGraphite+metalcombinationasstandard.Optionally,sealingmaterialssuchasPTFE+metalcombinationscanbesuppliedfordifferenttemperatureandmedium.OPTIONAL SOLID METAL-TO-METAL SEAT TheAPV-Supersealtripleoffsetsolidseatallmetalto Body Optional Bodymetalseatsystemaremanufacturedwiththreedimensional Seat Overlayeccentric sealing structure. The valves are designed and manufacturedwithuniquetechniquesanddedicatedfacilitiesformaximummachinedaccuracy.Thisensuresfullcone Disc Seat Retainermatchofsealingpairandeliminatestheinterferenceandabrasionbetweensealingfaces.Alowdegreeofseatingresistance,reliablesealingperformance,reducedsealingfaceabrasionensuresavastlyextendedvalvelife.Thealloyhardsealingallowsahigherpressureandtemperaturerangewhilststillprovidingbubble- Seat:tightshutoff.Semi-flexiblesoliddesignisalsoavailable. Disc F304 / F316L / F51 StelliteBi-directional Tight Sealing DesignPreferred Direction Non-Preferred Direction12 SUPERSEAL - Butterfly Valves'