DELVAL
Series 7/8 Trunnion Mounted Ball
SPECIFICATIONS
● 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
FEATURES
● 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