This enables continuously variable control of the motor speed

The pumps are designed for continuous (S1) operation

50 % (maximum flow= 6 l/h) and 25 % (maximum flow= 3 l/h)

air bubbles

DDA 17-7 FCM-PP/V/C-F-31U2U2FG The SMART Digital DDA is a compact positive displacement

tp 32 50 2 a o a bqqe aw1 98282120 This enables continuously variable controlSingle stage, close coupled, volute pump with in line suction and discharge ports of identical diameter. The pump is of the top pull out design, i. e. the power head (motor, pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework. The pump is fitted with an unbalanced rubber bellows seal. The shaft seal is according to EN 12756. The pump is fitted with a fan cooled asynchronous motor.