First of all have you considred Batch copy and replacing the high detatailed pipe families with simpler ones?
Secondly have you tried to filter by category (BuiltInCategory.OST_PipeCurves)?
First of all have you considred Batch copy and replacing the high detatailed pipe families with simpler ones?
Secondly have you tried to filter by category (BuiltInCategory.OST_PipeCurves)?