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IMI Z&J
Delayed Coking Bottom Unheading Device
Automated bottom unheading valve for safe and efficient delayed coking operations.
Automated unheading reduces operator risk.
Double block and purge system ensures tight sealing.
Low steam consumption for cost-effective operation.
Features
The IMI Z&J Delayed Coking Bottom Unheading Valve provides fully automated and secure coke drum unheading in refinery operations. Featuring double-disc gate valve technology, it ensures tight shutoff with low steam consumption and minimal fugitive emissions. The active mechanical seating force enhances leak prevention, while the guided carrier frame prevents coke fines buildup. Designed for easy on-deck maintenance, it includes redundant electrical or hydraulic actuators for reliable operation. With a corrosion and wear-resistant design, the IMI Z&J Bottom Unheading Valve ensures long-term safety and efficiency in delayed coking processes.
Key features
Electrical or hydraulic actuation
API 598 shut-off
Double-disc sealing
Low steam consumption
-40°C to +60°C operation
Easy on-deck maintenance
Corrosion-resistant design
Specifications
Fluid Types
Hot Oil
Particulates
Port Size (")
60 to 60
Maximum Working Pressure (barg)
10
Material
Carbon Steel
Low Alloy Steel
Design Codes
ASME VIII Div.1
ASME VIII Div.2
ASME B31.3
EN
Temperature Limits (°C)
-46 to 510
Certification
PED
CRN
Resources
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