CHECK VALVE FOR PULSATING FLOWS

摘要

A back flow check valve assembly that is subjected to a pulsating flow of compressed fluid when open is constructed to compound lineal inertia with a rotational inertia at low friction with ball bearings in curvilinear raceways to lower its natural response frequency below that of the pulsating flow. The effect of the pulsations on the valve is further dampened by minimized turbulence and a fullness of the valve opening against a comparatively light closing spring which with the weight and construction of the valve closes the valve securely during idle time.