• Emergency Shutdown Valves (ESD)

    The stand alone Emergency ShutDown (ESD) valve is used to safely isolate the low pressure downstream equipment from the high pressure well bore fluids. The ESD valve consists of NOV WSP fail close API 6A actuated gate valve technology, inlet and outlet crossovers all mounted on a robust enclosed skid frame. Closure times on the safety critical ESD valve can be enhanced by inclusion of a quick exhaust valve in the hydraulic return line

    The inlet and outlet crossovers can be flanged, hammer union or hubbed for hook up to inter connecting pipework.

    • Skid frame supplies: DNV 2.7-1 / DNV2.7-3 designed and certified with lifting set when requested
    • Design: API 6A, DNV OS E101, Norsok D-007, NACE MR-01-75, DNV2.7-1 and DNV 2.7-3 (Lifting and Handling)
    • Capable of controlling all STT hydraulically actuated valves and Emergency ShutDown (ESD) valves on request, the control system is constructed from stainless steel with dedicated lifting eyes and fork lift pockets for ease of maneuverability. Zero-leakage control valves allow operation of the double acting hydraulically actuated valves with pressure, temperature and valve position readouts as required. Integral ESD functionally can be included if requested by the customer.  
    • Specification for the integral ESD system would be as per the above.


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