Boilers are classified as "high-pressure boiler" ,"medium pressure boiler" or "low-pressure boiler" and "steam boiler" or "hot water boiler". Boilers that operate higher than 15 psig are called "high-pressure" boilers. Among them, low pressure steam boilers are becoming popular.low pressure steam boilers are used for application in building materials, chemical, paper, textile, food, electronics, rubber and many other industries.
From 2012 to 2016, the sales of low-pressure steam boilers gradually showed an upward trend. According to statistics, the sales of low-pressure steam boilers in 2012 were $22 billion, 2013 was $25 billion 12% higher than in 2012, in 2014 was $30 billion up 20%, 2015 was $35 billion up 17%, and $40 billion in 2016 was compared with the sales of low-pressure steam boilers in 2012. sales have nearly doubled.From these market data, it is easy to see that low pressure steam boilers are more and more welcomed by manufacturers.
There are two general types of low pressure boilers: "fire-tube" and "water-tube". In fire-tube boilers, combustion gases pass through the inside of the tubes with water surrounding the outside of the tubes. The advantages of a fire-tube low pressure boiler are its simple construction and less rigid water treatment requirements.
In a water-tube boiler , the water is inside the tubes and combustion gases pass around the outside of the tubes. The advantages of a water-tube low pressure boiler are a lower unit weight-per-pound of steam generated, less time required to raise steam pressure, a greater flexibility for responding to load changes, and a greater ability to operate at high rates of steam generation.
Our company oil/gas fired boilers can be divided into SZS water tube boilers and WNS fire tube boilers depending on the medium inside the tubes. If you want to know more details, please consult online!
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