APV / SPX Double Seat Mix Proof D4 Series Valves
APV / SPX Double Seat Mix Proof D4 Series Valves The next generation of mix proof valve technology is the result of continued development from both APV™ and Waukesha Cherry-Burrell™ process technologies. Used for the reliable separation of dissimilar fluids, the D4 Series helps fulfill today’s customer demands for production flexibility, increased productivity, rapid return