DELVAL

SERIES 7/ 8 TRUNNION MOUNTED BALL

SERIES 7/ 8 TRUNNION MOUNTED BALL

  • ✔︎ Cast body with ISO 5211 top plate for direct mounting

    ✔︎ Double seal combination of O-rings and fire safe spiral wound gasket for perfect body joint sealing

    ✔︎ O-ring stem sealing with (2) pre-energized graphite seals for emission control

    ✔︎ SPE x SPE seats as standard (DBB). DPE x DPE seats (DIB-1) and SPE x DPE seats (DIB-2) available

    ✔︎ Primary soft seal and a secondary metal seat for fire safe design

    ✔︎ Anti-blowout proof stem design

    ✔︎ Fully machined body bore provides less resistance to flow hence increasing flow

  • ➤ Body Type → Flanged (RF, RTJ), Buttweld

    ➤ Body → CS, SS, Duplex SS

    ➤ Ball → CS + ENP, CF8M, CF3M, Duplex SS

    ➤ Stem → 410 SS, 316 SS, 304 SS, XM-19, Duplex SS

    ➤ Seat → RTFE, PEEK, Devlon, Nylon, Viton

    ➤ Seat Seal → HNBR, FKM

    ➤ Size Range:
    Series 7 - 2" to 14“ (DN 50 to 350)
    Series 8 - 16” to 24” (DN 400 to 600)

    ➤ Pressure Rating → Class 150 - 1500 Full and Reduced Bores

    ➤ Design Standard → API 6D, ASME B16.34

    ➤ Testing Standard → API 6D, API 598, ISO 520