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Why is 0.5 in WCG pressure drop so important?
Learning new things, and getting into gas design procedures a bit. Being a wethead, pressure drop and flow rate calculations are not exactly new to me. I can figure out what the pressure drop is from A to B in a piping system with gas and I've seen the different design methods.
What I can't figure out for the life of me is why some sources keep referring to some code specified "allowable pressure drop" on a gas piping system. WHY would anyone care what the pressure drop in a system was, presuming it was calculated correctly and resulted in the appropriate gas volume at acceptable pressures at an appliance?
Do I really need to size gas pipe systems for 0.5" drop (low pressure) on propane?? Even if I can calculate a 3.0" drop that is well within an appliances min-max inlet pressure parameters at the required cubic feet per hour?
thanks! hope everyone is doing well.
Designer for Rockport Mechanical
in beautiful Rockport Maine.