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 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
All manifold flow ratings are based on flow through the relief valves after one has been
removed for service or replacement.