Actuators & Accessories

Series 44-49 High Performance Double Offset

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DESCRIPTION:

  • Fire safe design and NACE versions available.
    • Body Style 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

      Features

    • 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