Hi guys,
When pumping 3% to 6% primary sludge with a plunger pump ( in this case an EMS VRH250
Hydraulic 240-500 lpm, 0-50 bar ) is it necessary to still consider scour velocity. We have 8 pump sets operating duty standby desludging 8 primary settlement tanks. We are having problems with...
Hi Guys,
We have a couple of horizontally mounted Hidrostal mixer pumps on a thickened sludge storage tank. The motor, coupling assembly with the impeller were recently withdrawn from the volute and sent away for repair. ( At present, all i know is that they had been probelmatic for some time...
Guys,
We have a submersible centrifugal pump sat in a grit king hopper. It pumps up a vertical 150mm pipe 6m long ( or it should )before gravitating into the grit classifier. Ops reported that it will not pump. They've assured me that the hopper is clean, and the discharge pipe is clear. We...
On a 2 pump sewage pumping station, one of the pumps trips out occasionally. Once it is manually reset, it can be started and will pump. Telemetry reports reveal the pump seems to "fail" and send out an alarm 5 minutes after it has stopped. The pump has been split to see whether it is blocked...
