| VentManifold calculates the pressure
profile through a manifold of relief valve discharges. It is used for
evaluating the design and safety of a flare system or manifolded
relief valve system.
Order VentManifold today for only $29 if you download it from the
internet!
Click on any of the graphics below to see a larger version.
Both SI and English (American) units are supported, and you can
toggle back-and-forth between them.
 Up to 15 sources can be combined together. Only two
sources or pipe segments may join at any one node. After you construct
a sketch of your system and name the "nodes" (the points where two
pipes combine to form a third), the manifold is entered very simply.
Each segment of pipe within the network is described with its
"upstream" node, "downstream" node, equivalent length of pipe, and
pipe diameter.
 Each source is specified in terms of relieving rate (mass of vapor
per hour), temperature, molecular weight, and viscosity. You also
enter the maximum permissible back pressure at the relieving source.
VentManifold does the calculations to estimate physical properties of
combined vent streams.
 Detailed calculations are performed to compute the pressure at each
node in the system. If any errors are present, such as incomplete
definition of the manifold, excessive pressure (compared with
allowable back pressure), excessive velocity (higher than sonic
velocity which is physically impossible), etc., then appropriate error
messages are generated on the screen and on the printed output.
 Speaking of output, PipeManifold assembles the input data and
results on a professional-looking "Datasheet". There's a space to
insert your company logo. Print the report and put it in your project
file or notebook for a permanent record.
VentManifold Spreadsheet Template: $29
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