overhauling of centrifugal pump|pump overhauling procedure pdf : exporter PLACE MEN AT WORK BOARD. 2). CLOSE THE SUCTION AND DISCHARGE VALVE OF THE PUMP TO BE OVERHAULED. 3). REMOVE THE SUCTION AND DISCHARGE PRESSURE … Pump Head Calculation – Pump Performance Calculation. In this example, we will see, how to predict. the design discharge; water horsepower; the pump head; of a centrifugal pump.This .
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Since water enters both sides of a double suction impeller, one side effectively cancels out the axial thrust of the other. The pump still requires bearings for the shaft to ride on, .
Centrifugal pumps are essential equipment in various industries, including oil and gas, water treatment, and manufacturing. Over time, these pumps may require overhauling to maintain optimal performance and prevent breakdowns. In this article, we will discuss the step-by-step procedure for overhauling a centrifugal pump, along with important instructions and checklists to ensure a successful overhaul process.
How to overhaul a centrifugal pump? Step-by-Step Instructions. Check if the suction and discharge valves are closed. If not, close them manually. Switch off the power.
Centrifugal Pump Overhaul Procedure
Before starting the overhaul process, it is crucial to gather the necessary tools and equipment. The following steps outline a typical centrifugal pump overhaul procedure:
1. **Preparation:** Check if the suction and discharge valves are closed. If not, close them manually. Switch off the power to the pump to prevent any accidents during the overhaul process.
2. **Disassembly:** Begin by removing the pump casing and impeller. Inspect these components for any signs of wear or damage. Check the bearings, seals, and gaskets for wear and tear.
3. **Cleaning:** Thoroughly clean all components using a suitable solvent to remove any debris, dirt, or contaminants. Ensure that the components are free from any obstructions that could affect the pump's performance.
4. **Inspection:** Inspect the pump components for signs of wear, corrosion, or damage. Check the impeller for any cracks or erosion. Inspect the bearings for proper lubrication and smooth operation.
5. **Replacement:** Replace any damaged or worn-out components, such as seals, gaskets, bearings, or impellers. Ensure that the replacements are compatible with the pump model and specifications.
6. **Reassembly:** Carefully reassemble the pump components in the correct order. Use the manufacturer's guidelines or technical manual for proper reassembly. Ensure that all components are securely tightened and aligned.
7. **Testing:** After reassembly, perform a test run of the pump to check for leaks, vibrations, or unusual noises. Monitor the pump's performance and ensure that it operates smoothly and efficiently.
Centrifugal Pump Overhaul Checklist
- Check and close suction and discharge valves
- Switch off power to the pump
- Disassemble pump components
- Clean components thoroughly
- Inspect for wear or damage
- Replace damaged components
- Reassemble pump components correctly
- Test run the pump for leaks or abnormalities
Centrifugal Pump Repair and Maintenance
in this video you will learn about back pullout centrifugal pump overhauling procedures like dismantling, inspection and assembling.components of centrifugal...
20A/Centrifugal Fire Pump Acceptance Test Form] [NYSDOH Form 1013 Report on Test. and Maintenance of Backflow Prevention Device] Seismic Submittals: [Retain or delete if applicable] (Seismic Shop drawings. As per NFPA 13/9.3 and related spec section 210548 “Vibration and Seismic Controls for Fire-Suppression Piping and Equipment”.
overhauling of centrifugal pump|pump overhauling procedure pdf