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Pressure rating is your difference. As stated above: Sch 40/80 PVC is same OD as steel pipe C900 is same OD as DI pipe. You will get higher pressure rating from the C900.
Pipe Friction Calculation for Fluid Flow in a Pipe - eFunda
Pipe Pressure Loss Calculator: Wall drag and changes in height lead to pressure drops in pipe fluid flow. To calculate the pressure drop and flowrates in a section of ...
SCFM (Standard CFM) vs. ACFM (Actual CFM) - pdblowers
SCFM (Standard CFM) vs. ACFM (Actual CFM) Let the controversy begin!! I've been in the air and gas handling business since 1982 and I think this topic causes the most ...
Dust Collection Research - Ducting
The internal ridges on rough or poorly made flex hose can create as much as nine times more resistance than smooth walled pipe of the same diameter.
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Pipe Roughness Data - eFunda
Table of selected pipe roughnesses; definition of Relative Pipe Roughness
How To Calculate Muffler Size and Exhaust Pipe Diameter ...
NOTE: These numbers are just estimates. All pipes are assumed to be 16 gauge steel. The table above is probably over-estimating pipe size, but you can see that a 400 ...
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VRF vs. Chilled water system - HVAC/R engineering - Eng-Tips
I have designed a chilled water system for a HVAC renovation of a school that has existing chilled water system. Classrooms used to have unit ventilators and I