DELVAL
SERIES F OIL & GAS FLOATING BALL
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✔︎ External grease fitting and internal lube channel in stem as standard, allows for effective lubrication
✔︎ Stem wiper seal prevents external attack of foreign abrasives
✔︎ Stem back seated and retained provides blowout-proof design
✔︎ “Bear-X” bearing has excellent thermal, chemical and wear resistance
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➤ Body Type → Flanged (RF, RTJ), Buttweld
➤ Body → CS, SS
➤ Ball → 316 SS, CS + 3mil ENP
➤ Stem → RTFE, PEEK, Delrin, Devlon, Nylon, Ultra
➤ Seat → RTFE, PEEK, Devlon, Nylon, Viton
➤ Seat Seal → HNBR, FKM
➤ Size Range → 2" to 8“ (DN 50 to 200), varies by rating
➤ Pressure Rating → Class 150 - 1500 Full and Reduced Bores
➤ Design Standard → API 6D, ASME B16.34
➤ Testing Standard → API 6D, API 598, ISO 5208