DIB-2 Ball Valve

  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)       Two SPE (Single Piston Effect) seats Sealing only reliable when both sides are pressurized Automatic pressure relief to both sides 👉 Best for: Standard applications with cost priority   DIB-1 (Full Double Isolation)       Two DPE (Double Piston Effect) seats Full double isolation in any direction No self-relief → requires external safety valve 👉 Best for: High-risk, high-pressure critical systems   DIB-2 (Hybrid Design)     One DPE + one SPE seat High isolation on one side Automatic pressure relief toward SPE side 👉 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 High pressure shut-off Hydrocarbon media Critical isolation points 👉 Recommended: GEKO DIB-1   Petrochemical & Refinery Flammable / corrosive media Continuous operation Emission control 👉 Recommended: GEKO DIB-2   General Industrial Systems Water, gas, oil pipelines Standard isolation & maintenance Budget-sensitive projects 👉 Recommended: GEKO DBB     How to Choose the Right Valve   Step 1 – Flow Direction Fixed → DBB / DIB-2 Bidirectional → DIB-1   Step 2 – Safety Requirement Critical → DIB-1 Standard → DBB One-side high safety → DIB-2   Step 3 – Pressure Relief Automatic → DBB / DIB-2 Controlled → DIB-1   Step 4 – Budget & Installation   Low cost → DBB Highest safety → DIB-1 Balanced → DIB-2     Why Choose GEKO Ball Valves   Trunnion mounted design for low torque & stability Full bore design for minimal pressure loss Fire Safe, ATEX, API 6D compliant options Double Block & Bleed and advanced sealing technology Designed for oil & gas, petrochemical, and high-pressure systems   Call to Action   Not sure which valve fits your project?Contact GEKO today for a custom selection and quotation.