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