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Designed especially for use as a primary relief device on large stationary pressurized storage containers with flanged openings.
These manifolds incorporate an additional safety valve, not included in the flow rating, allowing for servicing or replacement of any one of the relief valve without evacuating the container.
The handweel on the manifold selectively closes off the entrance port to the relief valve being removed while the remaining relief valves provide protection for the container and its contents.
All manifold flow ratings are based on flow through the relief valves after one has been removed for service or replacement.