Priest Electric

Priest Electric
412 Simplot Blvd. Caldwell, ID 83605
208-459-6351 - 800-234-4089

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PRIEST ELECTRIC IS A PROUD MEMBER OF:


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Re-manufactured Motor Program

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What Our Customers Say

For over twenty years our association with Priest Electric has and continues to be a great relationship. We appreciate the professional work performed, the products we have bought and the training and special service given by Lee and his staff.


Jerry Wilks, Round Mountain Gold, Round Mountain, Nevada.


We are very happy with the customer service, motors and the machine shop at Priest Electric. We get visits at least once a week to make sure all our needs are being addressed. We always get help locating motors or parts in rush situations. The machine shop at Priest Electric caters to us during machine break downs which is very much appreciated by us and our customers.
We thank Priest Electric for all they do for us.

Mark A. Garcia
Boise Packaging & Newsprint



We've tried the other guys in the past, and regretted it. Priest Electric always delivers above and beyond our expectations. They are top shelf in my book, and I'm happy to be working with them.

Todd Clayton
Clayton Calcium


Tech Tips

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How To Select The Correct Pump Equipment


Components of the Vertical Pump


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Are Rebuilt Motors More Efficient Than New?


Pump Speed Changes


Electric Motor Bearing Lubrication


Mechanical Packing Braid Types


Electric Motor Frame Sizes


The History Of Electric Motors


Installation Of Pump and Valve Packings



Troubleshooting Packing Failures



Use VFD To Save Energy Costs

<< Pump and Impeller Coatings
Choosing The Correct Pump Equipment >>

Components of the Vertical Pump

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Today’s vertical pump offers flexibility, efficiently and reliably a meet the wide range of system requirements. In order to take advantage of this flexibility, a basic understanding of the pumps main components is required. Of the many components and types of construction available, proper selection depends on factors such as the depth or length of the pump, size and rotative speed, abrasive or corrosive properties of the fluid being pumped, fluid temperature, and the lubricating qualities of the fluid. When unusual conditions are encountered, consultation with a Priest Electric Representative or Engineer is recommended.

COMPONENTS OF A VERTICAL PUMP

The picture on the left illustrates the four basic components of a typical vertical pump:

  • Driver
  • Discharge Head Assembly
  • Column and Shaft Assembly, and
  • Bowl Assembly

DRIVER

The driver provides power to rotate the shaft and impellers. The driver also supports the weight of the shaft and impellers as well as the weight of the unbalanced downward thrust imposed by the pumping action. The electric motor is the driver used in most applications. Other common drivers include internal combustion engines with right angle gear drives or steam turbines.

DISCHARGE HEAD ASSEMBLY

The cast iron or fabricated steel discharge head is supplied in a number of different configurations to meet specific system requirements. The discharge head serves four primary functions:

  1. Aligns the pump with the driver which eliminates the need for flexible shaft coupling devices;
  2. Provides external support for the entire pumping unit.
  3. Directs the flow to the desired direction with above or below the floor discharge.
  4. Provides either a stuffing box or mechanical shaft seal to seal head from leakage around shaft.

COLUMN AND SHAFT ASSEMBLY

The column and shaft assembly connects the bowl assembly to the discharge head assembly and serves two functions:

  1. Houses the line shaft bearings provided for shaft radial support; and,
  2. Channels the fluid vertically from the impellers in the bowl assembly to the discharge head.

The length of the column and shaft assembly depends on system requirements or may be eliminated altogether. The shaft may be either product or oil lubricated.

BOWL ASSEMBLY

The bowl. assembly generally is constructed of standard components stocked in inventory. Bowl size detemines rate of flow while the number of bowls (or stages) determines pressure or head. Impellers may be of either the enclosed or semi-open design.

The type of suction connection can be varies to adapt to different piping systems and applications. Suction connections may be fitted with strainers for well systems or open collection basins, threaded or flanged for rigid connection to piping systems, or with bell-mouth inlets for sump or barrel systems.

Priest Electric is the leader in new vertical pump sales and repair, we can help you configure your pump for your specific requirements.

Contact us today by calling

208-459-6351

or Online

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