How do I model a Fire hose valve?
There are a few different varieties of Fire Hose Valves: angle type, in-line type, Wye type, etc.. When modeling a valve in AutoPIPE, the most important information is valve configuration, and end type connections.
In the background, a valve is just a graphical image of rigid pipe with known weight and the correct SIF values for end connections. Therefore, model the geometric shape of the custom valve with piping components, add Rigid Pipe Properties as needed over this piping, insert added weight as needed, and insert the correct SIF values for all en connections.
1. Caution, try not to double count weight from all components used in your custom valve (i.e. rigid properties, valve components, reducer components, added weight, etc.).
2. Model the Wye using the same general modeling approach as see in 3-Valve procedure above.
3. AutoPIPE's SIF calculations are all based on Piping codes. Locate a source to help calculate the correct SIF values for Fire hose connections to be used in AutoPIPE. Suggest contacting the valve manufacture for assistance.