If your velocity is not high enough to hold the disc fully open both the swing check and tilting disc valve will experinece bushing/hinge pin wear. Once difference between tilting disc and swing check is that the TD is very intolerant to any wear and will result in seat leakage. Swing checks...
If the waterhammer you are trying to mitigate if being generated by the slamming of check valves at the pump discharge, a Nozzle Check (medium strength spring) will reduce the magnitude of pressure surge by at least a factor of ten compared to a swing check. The spring sizing, disc geometry and...
Scientech has a nuber of reverse engineered Bailey components that are qualified for safety related applications and used at many sites.
Here is a link: http://www.scientech.us/products/bailey.htm
