5 Facts on Boiler Pressure & Water Pressure: Relation, Impacts


In this article, the topic, “boiler pressure and water pressure” with several 5 facts will be summarize in a brief manner. The boiler pressure can affect the pressure of the water.

Water pressure of a boiler can be explain as, the pressure of the water which is circulating in the system of the heating. Boiler pressure can be explain as, the pressure of the higher temperature water of the heating system. In the case of the high boiler pressure vapour is produce when the pressure ranges more than the 15 pounds per square inch gauge.

When the boiler pressure is too high the temperature of the heating system will be stays near about more than 120 degree centigrade and an external pressure will be work at the ranges of near about 160 pounds per square inch gauge.

 In the case of when boiler pressure is high in this particular case leakage can be increased in the whole heating system in the way when boiler pressure is low in this case the heating system could not perform properly at all.

Is boiler pressure same as water pressure?

Low boiler pressure is not harmful to the heating system.  If some leakage is present in the heating system then boiler pressure can be fall. Fortunately low boiler pressure could not occur any accident.

No, the boiler pressure and the water pressure not the similar thing. Boiler pressure and water pressure both are the different terms. The term water pressure describe the amount of pressure for the circulating water to the heating system and boiler pressure is confirming the flows  of the heated water through the heating system.

The pressure gauge of the boiler indicates the pressure in between 1 bar to 2 bar when the heating system is turned in. The level of the pressure is depending upon the manufacturing of the boiler but although the range of the water pressure is consider ideal for the 1.0 bar and 2.0 bars.

The boiler pressure will be increases in the case of when hot water is provided or heated a room.

The water pressure can be low for debris such as dirt, sand, solidified oil and grease, food particles, or foreign objects. Pollutants can block pipes if they back up due to fractures in the water main. Mineral build up clogs pipes over time and causes the water pressure to go down, as there’s less space for water to travel through.

The way of identify the loss of boiler pressure:-

The way of identify the loss of boiler pressure in a system of heating are listed below,

  • If heating or hot water is absent in the heating system then we can understand that definitely some loss is present in the boiler pressure.
  • If the dial of the pressure gauge is decreasing then also we can understand some loss is present in the boiler pressure of the heating system.
  • If the radiator of the heating system is not warm up enough then it is also a certain way to identify the loss of the boiler pressure.
boiler pressure and water pressure
Image – Natural gas pressure gauge; Image Credit – Wikimedia Commons

Boiler pressure and water pressure relation:

The relation between the boiler pressure and water pressure is indirectly proportional to each other. Means when the boiler pressure is increases in the system of the boiler in that case water pressure is decreases and when the boiler pressure is decreases in the system of the boiler in that case water pressure is also increases.

Does boiler pressure affect water pressure?

Yes, boiler pressure can affected water pressure of the heating system. The term of boiler pressure and water both are different but in the cold taps and hot taps low boiler pressure can be affected. In the case of system boiler or combination boiler the lower temperature water can came into the house will be at part and parcel pressure.

When a heating system boiler pressure became too high in that case, maximum boilers are shut down automatically through the safety device which is known as, Pressure relief valve or break down.

Image – Water escapes at high speed from a damaged hydrant that contains water at high pressure;
Image Credit – Wikimedia Commons

Does a boiler increase water pressure?

Yes, a boiler can increases water pressure to the system. The primary disadvantage for the combination boiler is it limits the options for increasing water pressure. Not like as the conventional boiler system, it is not practical to set up a pump to the boiler to enhance the water pressure because a combination boiler must be taken water right away from the mains.

Question: – Derive some ways of identify the higher of boiler pressure in the heating system.

Solution: – The ways of identify the higher of boiler pressure in the heating system are listed below,

  • If the heating system is turned off in that case the higher of boiler pressure in the heating system can be observe.
  • If the dial of the pressure gauge is suddenly reach to the red zone or increases continuously, this incident also indicate the higher of boiler pressure in the heating system.
  • If the filling valve of the left is opened or not sealed properly then boiler pressure increases near about 3 bars to the heating system.
  • If accidentally excess amount of water is added to the heating system, this case also had proven the incident of higher of boiler pressure to the heating system.

Way to reduce boiler pressure in the heating system:-

Some ways are describe through which we can reduce the boiler pressure in the heating system,

  1. If the heating system is turned off in this case the boiler pressure in the heating system can be reduced.
  2. Need to check the filling loop valve, or key less or key filter are fully closed.

Question: – Write down the formula for the water pressure.

Solution: –

The formula of the water pressure is,

Where,

P is denoted as, water pressure and unit is Parcels

is denoted as, density of water and unit is kilogram per cubic meter

g is denoted as, gravitational force and unit is meter per second square

h is denoted as, Height and unit is meter.

Conclusion:

Boiler pressure and the water pressure both are the different properties of the heating system. Boiler pressure and water pressure both are depended with each other. If the water pressure and boiler pressure both are increases in the heating system of boiler then unwanted situation is appear as the same way if the water pressure and boiler pressure is decreases then the heating system could not work properly.

Indrani Banerjee

Hi..I am Indrani Banerjee. I completed my bachelor's degree in mechanical engineering. I am a enthusiastic person and I am a person who is positive about every aspect of life. I like to read Books and listening to music.

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