... run-time. Specifically, EDV High Performance Trays are featured with: 1. EDV Valves and Directional Flow Promotion Devices EDV ... Connect" Active Tray Joints Typically, tray panels are connected with bolting constructions which resulted in approx. 100-mm wide ... , efficiency, pressure drop, turndown and run-time). When compared with typical valve / sieve trays, EDV high Performance Trays offer: - Higher ...