BL15-2 / HANNA BlackStone Chemical Dosing Pump The BL15-2 BlackStone Chemical Dosing Pump has a flow rate of 15.2 LPH (Litres per hour), rated pressure 1 bar (14.5 psi), and dosing frequency strokes per minute of 120.
BL20-2 / HANNA Blackstone Chemical Pump The BL20-2 BlackStone Chemical Dosing Pump has a flow rate of 18.3 LPH (Litres per hour), rated pressure 0.5 bar (7.4 psi), and dosing frequency strokes per minute of 120.
BL981411-1 / HANNA PH MINI CONTROLLER The BL 981411 pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control.