OGA Insights

Machined from a single piece upset forging, our ‘D’ Type Double Block and Bleed Valves feature two inline ball pattern primary and secondary isolating valves and a heavy-duty needle vent valve. With a range of different operating temperatures and configurations, our Double Block and Bleed Valves are a superior market leader. Oliver Valves Double Block and Bleed valves provide Soft or Metal seating, with 10mm, 14mm, or 20mm bore isolation valves; they can be used in many applications without resorting to traditional single isolate ball valves.