DELVAL

SERIES 51/53 LARGE DIAMETER RESILIENT SEATED

  • ✔ ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

    ✔ Heavy duty bronze sleeve bearing reduces friction and torque

    ✔ High strength disc with hand polished disc edge and hubs

    ✔ Thick bronze bushing absorbs actuator side thrusts

    ✔ Bronze vertical thrust bearing eliminates disc displacement due to weight of stem and disc

    ✔ Blowout proof stem retention offers easy assembly and disassembly

    ✔ Bi-directional U-cup stem seal

    ✔ Heavy duty, one-piece epoxy coated body

    ✔ Center-LOK® peroxide cured seat

    ✔ Double molded O-rings provide upper and lower secondary seals

  • ➤ Series 51 Body Style → Wafer

    ➤ Series 53 Body Style → U Section Wafer (Lugs drilled not tapped)

    ➤ Body → CI, DI, CS

    ➤ Disc → Nylon Ductile Iron (NDI), Aroxy Ductile Iron (ADI), CF8M

    ➤ Stem → 410 SS, 316 SS, CS BS 970

    ➤ Seat → EPDM, Buna-N, FKM, Silicone

    ➤ Size Range → 26" to 40“ (DN 650 to 1000)

    ➤ Pressure Rating → 150 PSIG (PN 10)

    ➤ Design Standard → API 609, BS EN 593

    ➤ Testing Standard → API 598, BS EN 12266-1