Freture Techno Pvt. Ltd. provides DBB Valves for refinery, petrochemical, chemical, and oil & gas applications requiring controlled isolation and pressure management. The two-block arrangement creates separate sealing barriers, while the bleed or drain function allows the intermediate cavity to be depressurized or monitored. The range covers 8NB to 100NB sizes and #150 to #2500 pressure classes, with a temperature range of -7°C to 280°C. Body construction is available in Stainless Steel, Carbon Steel, and Alloy materials.