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A low pressure boiler is a type of boiler that operates at a pressure lower than 15 psi, which is the standard atmospheric pressure. It is generally used in industrial and commercial settings to provide steam or hot water for various processes. Low pressure boilers can range from a simple heating system for a home or small business to a complex network of boilers and associated equipment for large-scale operations.

Low pressure boilers are typically fueled by natural gas, propane, fuel oil, or electricity. The most common type of low pressure boiler is the fire tube boiler. This type of boiler consists of a cylindrical shell with a series of tubes running through it. The hot gases from the burner pass through the tubes, heating the water or steam inside the boiler. The fire tube boiler is typically used in residential and small commercial applications.

Another type of low pressure boiler is the water tube boiler. This type of boiler is constructed with a series of tubes that form a cylindrical shape. The hot gases from the burner pass through the tubes, heating the water or steam inside the boiler. The water tube boiler is typically used in large industrial and commercial applications.

Low pressure boilers are designed to operate at pressures of 15 psi or less. The pressure is regulated by a pressure relief valve, which is designed to open when the pressure inside the boiler exceeds the maximum pressure rating. The pressure relief valve is an important safety feature, as it prevents the boiler from exploding due to excessive pressure.

In order to ensure the safe operation of a low pressure boiler, it is important to follow the manufacturer's instructions for maintenance and operation. It is also important to have the boiler inspected and serviced regularly by a qualified technician. This will help to ensure that the boiler is operating safely and efficiently.

Low pressure boilers are an important part of many industrial and commercial operations. They provide a reliable source of steam or hot water for various processes. By following the manufacturer's instructions for maintenance and operation, and having the boiler inspected and serviced regularly, it is possible to ensure that the boiler is operating safely and efficiently.