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