What Is Boiler Feed Water System?

A boiler feed water system is a system that supplies water to a boiler for steam generation. It consists of various components and processes that ensure the supply of clean and treated water to the boiler. The main purpose of a boiler feed water system is to remove impurities from the water, control the water chemistry, and maintain the appropriate water level in the boiler.

The components of a boiler feed water system typically include , feedwater tank or deaerator, feedwater pumps, water treatment system, control valves and instrumentation, blowdown system, and level control system.

Overall, a boiler feed water system plays a critical role in maintaining the efficiency, reliability, and longevity of a boiler by providing clean and treated water for steam generation.

Power generation

Boiler feed water systems are extensively used in power plants to supply water to the boilers for steam generation

Industrial processes

Many industrial processes require steam for heating, sterilization, or other purposes

Heating and cooling systems

Boiler feed water systems are also used in heating and cooling systems

Desalination plants

Boiler feed water systems are used to supply water to the boilers for steam generation

District heating systems

In district heating systems, boiler feed water systems are used to supply water for steam or hot water generation

Why Boiler Feed Water System Need Valves?

Control Flow
Valves are used to control the flow of water in the boiler feed water system. They can be used to regulate the flow rate of water entering the boiler, ensuring that the correct amount of water is supplied based on the steam demand.
Pressure Regulation
Pressure reducing valves and control valves are used to reduce the high-pressure water from the feedwater pumps to the desired operating pressure for the boiler.
Isolation & Shutdown
Valves provide a means to shut down the water supply to the boiler in case of emergencies or when the boiler is not in operation.
Water Quality Control
Valves can be used in conjunction with other water treatment equipment, such as filters or softeners, to control the water quality in the boiler feed water system
Safety
Check valves are installed to prevent backflow of water, ensuring that water flows in only one direction. And actuated valve provides excellent shut-off solutions

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What Is An Actuated Valve?

An actuated valve is a type of valve that is operated or controlled by an external power source, such as an electric motor, pneumatic actuator, or hydraulic actuator. It is designed to open, close, or regulate the flow of fluid (liquid or gas) in a system based on signals received from a control system.

Actuated valves offer the advantage of remote control and automation, allowing operators to control the valve position, flow rate, or pressure from a central control room. This improves efficiency, accuracy, and safety in various industrial processes.

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Advantages Of Actuated Valves

Automation & Control

Actuated valves offer the advantage of automation and control, allowing for precise and accurate regulation of fluid flow. They can be operated remotely from a control room or integrated into a larger control system. This automation eliminates the need for manual operation and allows for consistent and reliable control of the valve position, flow rate, or pressure.
It also enables real-time monitoring and adjustment of the valve parameters, enhancing efficiency and reducing the risk of human error.

Flexibility & Adaptability

Actuated valves are highly versatile and can be adapted to various applications and operating conditions. They can be actuated using different power sources, such as electric motors, pneumatic actuators, or hydraulic actuators, depending on the specific requirements of the system. This flexibility allows for seamless integration into different industrial processes and systems.
Actuated valves can also be designed to handle a wide range of fluid types, pressures, and temperatures, making them suitable for diverse applications across different industries.

Featured Actuated Valves For Boiler Feed Water System

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Actuated Ball Valves

● Valve Materials: Stainless steel, WCB, or Plastic

● Sealing Materials: PTFE / EPDM

● Core Materials: PTFE

● Size range: 1/2” to 8”

● Working pressure rating: 10bar to 64bar

● Max. Working temperature rating: Up to 180℃

● Connection: Flange / Threaded / Welded / Clamp

● Actuation Methods: Electrically operated or Pneumatically operated

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Actuated Butterfly Valves

● Valve Materials: Stainless steel / Carbon steel / Cast iron / Plastic

● Sealing Materials: PTFE / EPDM

● Disc Materials: Stainless steel / Cast iron

● Size range: 2” to 16”

● Working pressure rating: 10bar to 16bar

● Max. Working temperature rating: Up 180℃

● Connection: Wafer / Flanged / Clamp / Lugged

● Actuation Methods: Electrically operated or Pneumatically operated

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Tips For Selecting The Actuated Valves

Actuator Type

Choose the appropriate actuator type based on the power source and control system available. Electric actuators are suitable for precise control and automation, while pneumatic or hydraulic actuators are often used for quick and reliable operation in industrial environments.

Valve Type

There are various types of valves available, such as ball valves, butterfly valves, globe valves, and gate valves. Each type has its own advantages and limitations. Consider the specific requirements of your application and select the valve type that best suits your needs.

Application

Understand the specific application and requirements of the valve. Consider factors such as the type of fluid, flow rate, pressure, temperature, and any special considerations such as corrosive or abrasive media. This will help determine the appropriate valve material, size, and design.

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