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Unheading Valves

Home Forums Coking Maintenance Pumps, Valves, Rotary Joints, Cranes Valves Unheading Valves

This topic contains 7 replies, has 3 voices, and was last updated by  Anonymous 9 years, 11 months ago.

  • Author
    Posts
  • #3043

    Freddy Martinez
    Participant

    Hello,
     
    Does any body know an unheading valves manufacter besides DeltaValve?
     
    Regards…

  • #6046

    Anonymous

    Zimmerman-Jansen is the only other alternate vendor.  Contact info:
     
    website – http://www.zjinc.com/
     
    Bredo Christensen
    ZIMMERMANN & JANSEN, Inc.
    620 N. Houston Ave.
    Humble, TX 77338
    U. S. A.
    Telephone: 281-446-8000
    Fax: 281-446-8126

  • #6032

    Claus Graf
    Participant

    Another alternative is the semi-automatic device manufactured by Foster Wheeler.
     
    See slide # 46 of 59 of the presentation in the link below:
     
    http://www.fwc.com/industries/pdf/ResidueUpgradingTheChallenges.pdf
     
    Regards
     
    CG

  • #6031

    Anonymous

    This FW option does not offer the same safety features as a sliding valve.

  • #6024

    Claus Graf
    Participant

    The addition of a FW TUD in older cokers will:
     
    1.- Improve the ergonomic position when removing the top head bolts.
    2.- Eliminate a trip hazard, as sometimes the top flange is less than a foot above the top deck.
    3.- Allow the operator to remotely open the top head (after removing the bolts).
    4.- Additional drill stem guide & cover with automatic locking device can be incorporated to keep the cutting tool inside the drum.
     
    Anything that can be done to keep the operators away while doing these activities will improve safety.
     
    Regards,
     
    CG
     
     

  • #6023

    Anonymous

    What ever happen with the proposed design by Velan on a sliding valve with semi-circular motion? This concept was presented a few years ago.

  • #6021

    ted pivo
    Member

    I have seen both Delta Valve and Z*J Valve. My preference is with the Z*JH, It offers a true douyble gate valve that can be worked on in place. The hydraulics for the Z*J is supplied by Blac inc out of Chicago

  • #5366

    Anonymous

    What does it take to install and/or remove such a huge enormous valve, are special rigging devices requiered. During new construction is it convinient to install the bottom valve prior drum installation.

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