Products & Solutions Coke Drum & Pressure Vessels

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We provide high-quality pressure vessels
worldwide, mainly on coke drums.

We respond to a wide range of customer needs by the establishment of a high level of quality assurance
system using structural design and manufacturing technologies based on our abundant experiences
and accomplishments.
Additionally, we offer inspection, assessment and welding repair services.

Features

  1. Highly durable coke drums.
  2. Reactors using low-alloy steels and materials requiring high-level welding.
  3. High-quality, ASME-certified pressure vessels.
  4. Comprehensive support, including design, manufacturing and assessment.
  5. Technological development and proposal to improve durability.
  6. Remaining life assessment by numerical analysis.
Features

Standard oil refining process

Standard oil refining process
1 2 3 4
Dimensions
9,800 ID × 38,300 L
Plate thickness
38 + 3.5 mm
Material
SA387-11-2+410S clad
Dimensions
3,970 ID × 31,920 L
Plate thickness
140.0 mm
Material
SA387-22-2+TP347 overlay
Dimensions
12,000 ID × 37,350 L
Plate thickness
49.0 mm
Material
KD63-M
Dimensions
3,950 ID × 71,120 L
Plate thickness
41.0 mm
Material
SA387-22-1
Dimensions
5,000 ID × 36,420 L
Plate thickness
39.0 mm
Material
SA240-TP340H
Dimensions
4,370 ID × 32,720 L
Plate thickness
19.0 mm
Material
SA516-GR70/SA240-TP304H

Factory and major facilities

Saijo Factory

Land Area
535,000 m2
Floor Space
48,000 m2

We manufacture large pressure vessels that are approved by ASME and various regulations. Our technologies allow for the welding of extremely thick materials and other such special materials.
By applying our large scale canning machine and welding technology, which we have developed through bridge engineering, we fabricate large steel structures with reliable manufacturing.

Saijo Factory
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