DELVAL

SERIES 44-49 HIGH PERFORMANCE DOUBLE OFFSET

  • ✔︎ ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

    ✔︎ Adjustable stem packing features pull down gland with easy access without removal of actuator

    ✔︎ Tangential wedge pins are offset from center of stem putting them in compression rather than shear

    ✔︎ Disc stop designed to prevent disc rotation in wrong direction and potential seat damage

    ✔︎ Retainer clip provides blow-out proof stem

    ✔︎ Live-loaded stem seal system by a set of Belleville springs. Rocker shaped gland bridge compensates for uneven adjustment of gland bolts

    ✔︎ “Bear-X” bearing has excellent thermal, chemical and wear resistance

    ✔︎ One piece body with extended neck

    ✔︎ Self-energizing flexible lip seal soft seat design. Two points of contact on firesafe metal seat design

  • ➤ Body Type → Wafer, Lug, Double Flanged

    ➤ Body → CS, SS

    ➤ Disc → CF8M, CF8

    ➤ Stem → 316 SS, 17-4 PH, XM-19

    ➤ Seat → Ultra PTFE, RTFE, Metal (SS, Inconel) Firesafe

    ➤ Size Range → Series 44, 45 – 2" to 48“ (DN 50 to 1200),Series 47, 48 – 2” to 24” (DN 50 to 600),Series 46 – 3" to 48“ (DN 80 to 1200),Series 49 – 3" to 24“ (DN 80 to 600)

    ➤ Pressure Rating → Series 44, 45, 46 - Class 150,Series 47, 48, 49 - Class 300

    ➤ Leakage Class → Soft seat – Class VI,Metal seat – Class IV

    ➤ Design Standard → API 609 Category B, BS EN 593

    ➤ Testing Standard → API 598, BS EN 12266-1