The function of a centrifugal pump double volute casing is to ().
- Areduce radial thrust to the impeller
- Bdouble the liquid velocity through the pump when compared to a single volute
- Creduce hydraulic end thrust
- Dprovide the effect of multi-staging
The function of a centrifugal pump double volute casing is to ().
1、The advantage of a centrifugal pump as
The advantage of a centrifugal pump as compared with a reciprocating pump is that ().Adischarge is continuousBit has no internal valvesCupon accidental closing of discharge valve, excessive pressure will not build upDall of the above are true
2、The capacity of a centrifugal pump can
The capacity of a centrifugal pump can be increased by the installation of a larger diameter impeller Another means of increasing the pump cap...
3、If the capacity of a centrifugal pump
If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the ().Apacking glandBmechanical sealsClantern ringsDwearing ring
4、Which features of a centrifugal pump r
Which features of a centrifugal pump reduce the need for renewing worn impellers and pump casings?()AClose radial clearance between impeller hu...
5、If the bowl of a disk type centrifugal
If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the()Aoil has a tendency to emulsify in the bo...
6、The basic function of the centrifugal
The basic function of the centrifugal pump impeller is to ().Adirectly increase the pressure of the liquid being pumpedBdirectly increase the ...