IMI plc
Delayed Coking Bottom Unheading Compact Design
FromIMI plc
The Bottom Unheading device is based on our well-proven Double Disc Gate Valve Design. Its fully automated compact design is the safest, most robust, and reliable solution for the Delayed Coker Application.
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- Compact Valve Body - smaller face-to-face dimensions and less weight.
- Two independent discs => limited thermal distortion => less steam => less erosion.
- Two independent discs => true double block and purge.
- Two independent discs and multiple seal result in lowest steam consumption.
- Very low steam consumption
- = > high energy savings
- = > environment safety.
- Less corrosion & wear due to resistant hard-faced seats.
- Guided carrier between two plates
- => preventing coke fines in valve body > no cooling water required.
- Easy inspection of upper seat & disc.
- Minimal spare parts.
- 100% actuator redundancy.
- Actuator options: electric or hydraulic.
- Low potential for HC`s escaping to the atmosphere.
- IMI Z&J`s DC Revamp Solution.
- Easy-on deck maintenance.
- Low maintenance with minimal downtime.
- Low steam consumption.
- Cycle time reduction - optimized production output.
- Fully remote operation, no operator on deck during unheading.
- True double block & purge - 2 independent discs provide individual sealing.