DELVAL
SERIES 42/43 LINED
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โ ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears
โ Resilient seat energizer extends completely around seat, including disc hub area
โ One piece disc/stem in high strength design โ available in SS316 thin profile with hand polished edge and hubs, or PTFE/PFA encapsulated (min. 3mm thick)
โ Heavy duty acetal bushing
โ Bi-directional U-cup stem seal
โ Heavy duty, two piece epoxy coated body with extended neck and locating holes
โ Precision machined PTFE/PFA seat (min. 3mm thick)
โ Live-loaded stem seal system by a set of Belleville spring washers on the upper and lower stem
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โค Series 42 Body Style โ Wafer
โค Series 43 Body Style โ Lug
โค Body โ DI, CS, SS
โค Disc/Stem โ Duplex SS, 316 SS, PTFE Lined, PFA Lined, UHMWPE Lined, Halarยฎ Coated
โค Seat โ PTFE/Silicone, PTFE/FKM, PFA/Silicone, PFA/FKM, UHMWPE/FKM
โค Size Range โ 2" to 24โ (DN 50 to 600)
โค Pressure Rating โ 150 PSIG (PN 10)
โค Design Standard โ API 609, BS EN 593
โค Testing Standard โ API 598, BS EN 12266-1