Machined from bar, our ‘L’ Type Double Block and Bleed Valves feature two inline ball pattern primary and secondary isolating valves and a ball valve vent. Our Double Block and Bleed Valves are the superior market leader with a range of different operating temperatures and configurations.The Double Block and Bleed valves provide Soft seating, with 10mm, 14mm, or 20mm bore isolation valves for many applications without having to resort to traditional single isolate ball valves.
Oliver Valves’ standard ‘L’ Type DBB range from ¼’ up to 1′. L Type Instrument DBB Valves are available in Stainless Steel, Carbon Steel, Duplex, Super Duplex and many other materials on request. With various other connection types and sizes are available, such as Hub, Threaded, Welded. They have a Standard Temperature range of up to 120 Deg C to 200 Deg C’“ Soft Seated. All NPT connection threads are Single Point CNC machined.