... balance mechanism and involute mechanism. KQP Pneumatic Float Liquid Level Transmitter-The PREX3000 instruments are pneumatic type transmitters which employ a ... side flanged, Top-bottom flanged Flange size: 2" or 1½" RF, 2" or 1½" RTJ for ANSI 600 Internal float type ... : Connecting method: Top flanged, side flanged Flange size: 4" RF, 4" RTJ for ANSI 600......-......For more details, please browse ...