Originally Posted by
Delmarva
Drilling out the rims and replacing tubes so that shop air can be used to inflate bike tires strikes me as overkill when there are two simple solutions available. As noted above an inexpensive adaptor can be found at any bike store. More expensive is a good floor pump that handles both types of valve.
Yes, 99 cent adapters with O-rings and the right length to end just above the valve stem essentially convert a PV tube to SV.