Best-selling Water Tube Boiler Price | Comprehensive Guide

The cost of a water tube boiler is about $5,000 – $125,000, depending on the size fuel and brand, and many other factors. As someone who’s interested in learning more about it, you might have several questions related to their functionality, advantages, and costs. In this guide, I’ll be discussing everything you need to know about water tube boilers, including their working principles, examples, pros and cons, and how to choose the right one for your needs.

What is a Water Tube Boiler?

A water tube boiler is a type of boiler that circulates water through a series of tubes that are heated externally by hot gases produced from combustion. These boilers are typically used in high-pressure applications, such as power generation plants and large industrial facilities, where they can produce steam at a high rate and pressure.


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How Do Water Tube Boilers Work?

In a water tube boiler, the hot gases produced from combustion pass over the tubes, which are filled with water. The heat from the gases causes the water inside the tubes to evaporate, turning it into steam. This steam then travels through the tubes and is collected in a steam drum, where it can be used for various applications like power generation or heating.


Types of water tube boiler


3 Examples of Water Tube Boilers.

  1. Bent Tube Boiler: This type of water tube boiler features bent tubes that increase the surface area available for heat transfer, making it more efficient.
  2. D-Type Boiler: The D-type boiler is characterized by its D-shaped design, with a large steam drum at the top and water drums at the bottom. This configuration allows for efficient heat transfer and steam generation.
  3. Natural Gas Boiler: A natural gas boiler is a watertube boiler that uses natural gas as its fuel source. This type of boiler is known for its clean combustion and high efficiency.



Pros & Cons.


  1. High efficiency: Water tube boilers have a larger heating surface area, which allows for more efficient heat transfer and higher steam production rates.
  2. High pressure and temperature capabilities: These boilers can handle higher pressures and temperatures than fire tube boilers, making them suitable for power generation and other high-pressure applications.
  3. Fast response to load changes: They can quickly adjust to changes in steam demand, making them ideal for applications with fluctuating load requirements.


  1. High initial cost: Watertube boilers are generally more expensive to purchase and install than fire tube boilers.
  2. Complex design: The design of water tube boilers is more complicated than fire tube boilers, which can make them more difficult to maintain and repair.
  3. Potential for water damage: If a tube ruptures, water can leak into the boiler and cause damage to the equipment.


Advantages of water tube boiler


Difference Between Fire Tube and Water Tube Boilers.

The main difference between fire tube and water tube boilers lies in the arrangement of the heat exchanger and the flow of the fluids. In fire tube boilers, hot gases pass through tubes that are surrounded by water, while in watertube boilers, water flows through tubes that are heated by hot gases.

Fire tube boilers are generally more compact and have a lower initial cost, but they have a lower capacity and efficiency compared to watertube boilers. They are known for their higher capacity, efficiency, and ability to handle higher pressures, making them suitable for large-scale industrial applications.


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How Do You Choose a Water Tube Boiler?

When choosing a water tube boiler, consider the following factors:

  1. Size and capacity: Determine the required boiler size and capacity based on your steam demand and pressure requirements.
  2. Fuel type: Consider the availability and cost of the fuel source, such as natural gas, oil, or coal.
  3. Efficiency: Look for a boiler with a high efficiency rating to minimize fuel consumption and reduce operating costs.
  4. Maintenance and repair: Choose a boiler with a simple design and readily available replacement parts to make maintenance and repairs easier.
  5. Budget: Consider your budget and the total cost of ownership, including installation, maintenance, and fuel costs.

How Much is a Water Tube Boiler?

The cost of a water tube boiler can vary greatly based on factors such as size, capacity, fuel type, and efficiency. Smaller residential boilers can cost anywhere from $5,000 to $10,000, while larger industrial boilers can cost upwards of $100,000 or more. It’s essential to consider the total cost of ownership, including installation, maintenance, and fuel costs, when determining the overall cost of a it.

Boiler Size (ton/hr) Efficiency Level (%) Cost (in US dollars)
1-10 70-75% $5,000 – $30,000
76-82% $8,500 – $40,000
83-95% $10,000 – $50,000
10-20 70-75% $15,000 – $35,000
76-82% $20,000 – $5,000
83-95% $35,000 – $80,000
20+ 70-75% $85,000+
76-82% $100,000+
83-95% $125,000+


Water tube boiler price



What is a water tube boiler made of?

A water tube boiler is made of steel, copper, or brass and consists of a series of tubes that contain water. The choice of materials is governed by classification rules and ensures the boiler’s durability and efficiency.

What is the most common water tube boiler?

The most common water tube boilers include the Babcock and Wilcox boiler. Another common type is the “D” type watertube boiler. Other layouts, such as the longitudinal drum boiler, work on the same principles.

What is the main function of a water tube boiler?

The main function of a water tube boiler is to produce steam by heating water that circulates in tubes, which are heated externally by the combustion of fuel. The heated water turns into steam, which can then be used for various applications.

Why water tube boiler is more efficient?

Because water tube boilers have a larger surface area for heat transfer, allowing for faster steam production and better heat transfer. Second, they can handle higher pressures and temperatures. Additionally, they have lower pressure drops and can achieve superheated steam.

What is the efficiency of a water tube boiler?

The water tube boiler efficiencies range from about 90% for solid biomass fuel boilers to 95% for oil and gas-fired boilers. The efficiency of a water tube boiler can vary depending on the design, fuel type, and operating conditions.

What is the capacity of a water tube boiler?

The capacity of a water tube boiler can vary depending on the size and design but can range from 4.5 to 140 tons of steam per hour. These boilers are designed to meet unique capacity, space, fuel, emissions, transportation, installation, and other requirements.


When you are looking for a water tube boiler, you should make sure that it is right for the job. If you are not sure which one would work best, then contact us today and we will help you decide what kind of boiler will work best for your needs: +0086 186-2391-5479!


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About the author

About the author

Yunchong Shang

Yunchong is a seasoned boiler expert with over five years of hands-on experience in the boiler industry. He has expertise in various types of boilers, including fire-tube, water-tube, and steam boilers, while also staying up-to-date with the latest technological boiler.

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