DELVAL
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