máquina de furos submersíveis
The reason:
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high
Cleaning method:
Open valve or desilting
Improved design of suction lines or desilting
Lower mounting height
Open valve or desilting
Improved design of suction lines or desilting
Lower mounting height