A、worn gland sealing shaft
B、worn wearing rings
C、a bent shaft
D、reversed pump coupling
更多“If a centrifugal pump vibrates and is noisy when operating, the cause could be （）.”相关的问题
A、remove the discharge ring B、re-prime the purifier C、the centrifuge to its proper speed D、install an additional discharge ring
A、motor overload would open B、relief valve would open C、pump would eventually overheat D、motor would overheat
A、water seal pipe is plugged B、pump is not primed C、seal ring is improperly located D、impeller is flooded
A、insufficient speed B、cavitation C、excess discharge pressure D、excessive net positive suction head B
A、motor controller overload would open B、pump would eventually overheat C、relief valve would continuously cycle open D、motor would overheat
A、must be centrifuged B、must by filtered C、must be changed D、is holding finely dispersed carbon in suspension
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