What Are You Looking For?
Choosing the right isolation type is critical for safety, performance, and cost control in industrial systems.
GEKO trunnion mounted ball valves are available in DBB, DIB-1, and DIB-2 configurations to match different operating conditions.
Visual Diagram – How Each Valve Works
DBB (Double Block & Bleed)
👉 Best for: Standard applications with cost priority
DIB-1 (Full Double Isolation)
👉 Best for: High-risk, high-pressure critical systems
DIB-2 (Hybrid Design)
👉 Best for: Balanced safety and cost
Quick Comparison Table
| Feature | DBB | DIB-1 | DIB-2 |
|---|---|---|---|
| Isolation Level | Medium | Highest | High |
| Sealing Type | SPE + SPE | DPE + DPE | DPE + SPE |
| Bidirectional Isolation | Limited | Full | Partial |
| Pressure Relief | Automatic (both sides) | External required | Automatic (one side) |
| Installation Direction | Free | Free | Directional |
| Cost | Low | High | Medium |
Typical Applications
Oil & Gas Pipelines
👉 Recommended: GEKO DIB-1
Petrochemical & Refinery
👉 Recommended: GEKO DIB-2
General Industrial Systems
👉 Recommended: GEKO DBB
How to Choose the Right Valve
Step 1 – Flow Direction
Step 2 – Safety Requirement
Step 3 – Pressure Relief
Step 4 – Budget & Installation
Why Choose GEKO Ball Valves
Call to Action
Not sure which valve fits your project?
Contact GEKO today for a custom selection and quotation.