Bonney Forge manufactures Double Block and Bleed Valves ( DDB valve) in an extensive range of designs, materials, sizes, pressure classes and end connections that are designed in accordance to ASME B16.34 and where applicable API 6D or BS EN ISO . The valves are fire-safe test approved and include design features to ensure electrical continuity between ball, stem and body. Cryogenic and high temperature metal seated configurations are also available. All designs are forged for improved mechanical properties, pressure retention, and quality.
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The primary uses for Double Block and Bleed Valves are:
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A Double Block & Bleed valve can perform the tasks of three separate valves. It would replace two separate isolations valves and one drain valve. This results in huge space savings and a sizeable weight reduction, which are positive benefits for FPSOs and oil platforms. Double Block & Bleed valves can be supplied according to API6D and API6A.
Our double block & bleed valves are available as forged or cast valves featuring exotic material options with short delivery times.
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