DESCRIPTION
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4.2 Construction of the pump
A: Cover
B: Rotor
C: Pump hose
D: Pump housing
E: Support
F: Gearbox
G: Electric motor
H: Frequency controller
4.3 Operation of the pump
The heart of the pump head consists of a specially
constructed pump hose (A) which lies contorted against
the inside of the pump housing (B). Both ends of the
hose are connected to the suction and discharge lines