Blue-White's FLEX-PROTM A3 Peristaltic Metering Pump has Outstanding Benefits, including: Outputs to 126 LPH. Output Pressures to 8.6 Bar; Automated PPM Dosing; Self priming, No Bypass valves required; FLEX-PRO won't vapor lock or lose prime; One button Prime Mode for easy priming and servicing; Brushless Variable Speed Motor; digital touch pad with menu driven software; VGA Graphic backlit LCD displays motor speed, input signal values, service and alarm status; Inputs include: 4-20mA, 0-10Vdc, and Pulse Signal for external speed control, and 30 VDC contact closure for remote start/stop; Patented Tube Failure Detection System (U.S. Patent No.7, 001,153); NEMA 4X IP66.