bb3 centrifugal pump|overhung pump vs between bearing

The decanter centrifuge made by Crown Machinery Co apply for clarification process, dehydration process, classify the suspension of solid particles. . Decanter Centrifuge Specification Series 2790*1300*880 3300 3800 20 Main motor 15 7.5 355*1460 355 1460 1:4.1 *1600920 3500 3~35 Main motor 37 Vice motor 11 3200 450*1800 450 1800 1:4.0

The Model PWM is an API 610 11th edition type BB3 multistage horizontal split case side suction, side discharge process pump in API material classes S-1, S-6, S-8, and A-8. Other material combinations are available.

BB3 MSN/MSND multistage axially split centrifugal pumps that deliver high heads and high efficiency for pipeline, boiler feed, refining, and other services

BB3 Type Pump

The BB3 type pump, such as the Model PWM, is a multistage centrifugal pump that falls under the API 610 standard for process pumps. These pumps are designed for high-pressure applications in industries such as oil and gas, petrochemical, and power generation. The BB3 designation indicates that it is a multistage horizontal split case pump with side suction and side discharge.

BB3 Pump Cross Section

The cross-section of a BB3 pump typically shows the various stages of impellers and diffusers stacked together within the pump casing. The split case design allows for easy maintenance and access to the internal components of the pump. The side suction and side discharge configuration also make it suitable for specific installation requirements.

Axial vs Radially Split Pump

In the case of the BB3 pump, it is axially split, meaning that the pump casing is split parallel to the pump shaft. This design allows for easy access to the internal components without disturbing the piping system connected to the pump. Radially split pumps, on the other hand, are split perpendicular to the pump shaft.

BB3 Axially Split

The axial split design of the BB3 pump offers several advantages, such as easier maintenance, reduced downtime, and simplified inspection of internal components. The split case also facilitates the removal and replacement of impellers and other components without the need to dismantle the entire pump.

Overhung Pump vs Between Bearing

The BB3 pump is a between bearing type, which means that the shaft is supported by bearings located on both ends of the shaft. This configuration provides better stability and reduces shaft deflection, especially in high-pressure applications. Overhung pumps, in contrast, have the impeller mounted on one end of the shaft, which can lead to increased shaft deflection and vibration.

Axially Split Centrifugal Pump

The axially split design of the BB3 centrifugal pump allows for easy access to the impellers, diffusers, and other internal components for maintenance and inspection. This design feature enhances the overall reliability and efficiency of the pump, making it a preferred choice for critical process applications.

Side Suction Top Discharge Pump

The side suction and top discharge configuration of the BB3 pump is ideal for installations where space is limited or where specific piping layouts are required. This design allows for easy connection to the suction and discharge piping without the need for complex piping arrangements. It also facilitates efficient fluid flow through the pump.

Centrifugal Pump Bearing Types

The ClydeUnion Pumps CUP-BB3 flexibility of design allows the pump to be equally acceptable over a wide range of duties varying from standard water, oil and chemical applications to …

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bb3 centrifugal pump|overhung pump vs between bearing