I want to install a Diaphragm pump for a sump to transfer liquid(specific gravity less than 1),100 feet away and 20 feet high.The suction and discharge pipes size are 1-1/2 inches.Do i require to have foot valve at suction and a Non Return Valve at discharge? Seeking help from Forum.
Thanks...
I installed ABB make Type PSR 25-600-70 soft starter.While taking trial,motor is stalled ie standstill and making huge humming noice for few seconds and later on it starts. I am worried motor can get damaged(burnt).
Yes compressor motor has to starts at low set point pressure.
Seeking your advice.