PVC PUMP HEAD 
CERAMIC BALL full chemical compatibilty 
PTFE DIAPHRAGM unique life expectancy and compatibility with most chemicals 
FLOW RATE MANUAL ADJUSTMENT 0÷100% 
MANUAL PRIMING VALVE 
WALL MOUNTING with fixing bracket (included) 

analogue dosing pump with costant flow rate manually adjustable by control knob on the front panel and proportional flow rate according to an external analogue (4÷20 mA), POWER-ON LED indicator and level control input 
2 different operating modes are: COSTANT (switch in “C” position) the pump constantly dispenses the percentage selected with potentiometer - PROPORTIONAL (switch in “P” position) the pump doses proportionally to the input signal (4÷20 mA), Internal Microswitch