Boiler Feed Pumps is a specific type of water pumps which is used to pump feed water into a steam boiler. Boiler Feed Pump Water may be freshly supplied or returning condensate produced as a result of the condensation of the steam produced by the boiler. These type of pumps are normally having a high pressure units that takes suction from a condensate return system and it can be centrifugal pump type or positive displacement type.
Boiler Feed Pumps operation range in size up to many electric motor is usually seperated from the pump body by some form of mechanical coupling. Large industrial condensate pumps can also serve as the feed water pumps. In order to force the water into the boiler, the pump must generate sufficient pressure to overcome from steam pressure developed by the boiler. This is usually more effective and reliable through the use of centrifugal pump. Another way of feed water pumps – run constantly, and that are provided with a minimum flow devices to stop over pressuring the pump on low flows. This minimum flow returns to the tank.
Types and Applications of Boiler Feed Pumps
1. Vertical Multistage Centrifugal Boiler Feed Pumps:
- These Pumps are suitable for liquid transfer water in washing systems
- cooling and air-conditioning systems
- water supply systems
- industrial plants and boiler feeding systems
- water treatment systems
- fire fighting systems
2. Vertical Boiler Feed Pump:
- Suitable for general water supply
- fire-fighting systems
- drinking water supply
- pressure boosting
- washing systems
- boiler feed water
- irrigation and heating
- lubricants, fuels, solvents.
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