We have experienced nuisance trips at two unrelated locations with similar equipment. Looking for opinions on the cause.
Location 1 - vertical turbine pump with a VHS motor installed outdoors. Pump is started with a VFD, and the unit operates successfully. However, the VFD would occasionally...
Trying to resolve a field issue regarding a double suction split case pump with packed stuffing boxes, vacuum priming system, and long HDPE suction line.
Single suction line feeds two HSC pumps. Suction line connects to tee to feed Pump 2 and to an elbow to feed Pump 1. Pump sits ~ 14' above...
We have a stainless steel in line vessel installed in a pipeline. The units were designed to handle an operatitng pressure of 28 PSI with a 1.8 safety factor, and were tested at 60 PSI test pressure ~ 5 years ago. The cross section of the vessels are rectangular and have welded reinforcement...
We have had a problem at a sanitary lift station and would appreciate any comments or suggestions.
The station is equipped with two (2) 28.2 HP (21.0 kw)submersible pumps and a 80 kw diesel generator with an 200A automatic transfer switch. The generator is sized ot operate two motors on a...
