A development of the BV valve, the BD is a fabricated unit that can be made any size to exactly match your application.
Any material that can be fabricated can be used for the construction, from carbon steel through to Hastelloy. We have even machined valves from PTFE.
Seals are mounted on the vane and can be changed simply and quickly with the valve in-situ; no need to take the valve out of the line.
Standard options include: