![]() ![]() The bottom unheading valve typically can be opened/closed within two to four minutes.Higher pressures simply result in greater steam consumption without further benefits to the valve.īack to top How quickly can unheading valves be unheaded and reheaded?Īs the top and bottom unheading valves are fully automated and controlled by a remote operator, the coke drum can be unheaded and reheaded very quickly. Steam consumption will be dependent on the pressure delta between valve and drum, the recommended delta is 20-30 psi.60″ bottom valve: switch steam is 2000-6000 lbs/hr., normal up to 800 lbs/hr.download-brochure-button 60 in Bottom Unheading Sparesīack to top What is the typical steam consumption of the unheading valves?.download-brochure-button 30 in Top Unheading Spares.What start-up spares are needed for the unheading valves? Will the coke drum need to be modified to accommodate unheading valve installation?.What are the space requirements for the bottom unheading valve?.Can we use our current cutting tool with your unheading valves?.How much do the unheading valves weigh?.What are the benefits of the retractable center-feed over traditional side-feed?.How long does it take to install an unheading valve?. ![]() Does installation of your retractable center-feed device require additional deck space?.What is the life expectancy of a bottom unheading valve?.How long does it take from “order to ship” an unheading valve?.How quickly can unheading valves be unheaded and reheaded?.What is the typical steam consumption of the unheading valves?.What start-up spares are needed for the unheading valves?.However, if you are looking for more in depth or detailed answers to other questions please contact our field service or customer service departments directly. This page is provided to give simple answers to common questions. Answers to common questions regarding DeltaValve products and services ![]()
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