DELVAL
Series F Oil & Gas Floating Ball
SPECIFICATIONS
● 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
FEATURES
● 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