• DHSV/MV/2-WLV/SB Control Unit

    This NOV Elmar hydraulic unit has been developed to control a downhole safety valve, a master valve, two wireline valves, test line and stuffing box.

    DHSV/MV/2-BOP/SB Control Unit Pdf


    The unit features an audible warning air horn which operates whenever the DHSV, MV or air lines fall below their preset pressures.


    • Alarm system
    • Large hydraulic oil reservoir
    • Relief valves on each circuit
    • Machine engraved, stainless steel, colour coded panel
    • Two 5 gallon (20 litre) accumulators
    • Air driven hydraulic pumps with back-up stainless steel hand pumps
    • Emergency shutdown facility
    • Test line facility
    • Hoses on NOV Elmar “wet centre” reels


    • Remote ESD system
    • CE marked, ATEX approved for use in a Category 2 (Zone 1) hazardous area
    • 3-WLV version part number L-6901010507
    • Air operated master valve


    Dimensions & Weights

    PART NUMBER L-690267
    (L) 120 cm, 47 in (W) 85 cm, 33 in (H) 154 cm, 61 in (Weight) 855 kg, 1,881 lbs