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Valves play an indispensable role in various sectors and industries, contributing to the smooth functioning of processes and systems. Their versatility and functionality make them essential components in both everyday life and complex industrial settings. Let's explore some common applications of valves:
Water Supply and Plumbing: Valves are widely used in domestic and commercial water supply systems. They regulate water flow, control pressure, and enable users to turn water on or off for various applications such as faucets, showers, and toilets.
Heating, Ventilation, and Air Conditioning (HVAC): HVAC systems use valves to manage the flow of air, water, and refrigerants. By controlling the distribution and temperature of air or water, valves help maintain comfortable indoor environments.
Automotive Industry: Valves are integral to internal combustion engines. They control the intake and exhaust of air and fuel, contributing to engine performance and efficiency.
Oil and Gas: In the oil and gas industry, valves regulate the flow of crude oil, natural gas, and refined products through pipelines and processing facilities. They also play a crucial safety role by isolating sections in case of emergencies.
Power Generation: Power plants utilize valves to control steam, water, and other fluids in various stages of electricity generation. Valves manage steam flow, water intake, and coolant circulation, ensuring optimal plant performance.
Chemical Processing: Valves are vital in chemical plants for controlling the flow of corrosive and hazardous chemicals. They enable precise mixing, dosing, and separation processes.
Pharmaceutical Industry: Valves play a role in maintaining sterile and controlled environments during pharmaceutical production. They regulate fluid transfer and ensure compliance with quality standards.
Food and Beverage Production: Valves are used in food and beverage processing to manage the flow of ingredients, additives, and final products. Sanitary valves are crucial to maintain hygiene and prevent contamination.
Wastewater Treatment: Valves are essential in wastewater treatment facilities to control the movement of effluent, chemicals, and sludge. They help optimize treatment processes and prevent pollution.
Aerospace and Aviation: Valves are found in aircraft engines, hydraulic systems, and fuel systems. They contribute to the safe operation and performance of aircraft.
Marine Industry: Ships and submarines use valves for various applications, including ballast systems, fuel management, and cargo handling.
Mining and Minerals: Valves are employed in mining operations for controlling the flow of slurries, gases, and liquids during extraction and processing.
Medical Equipment: Valves are crucial components in medical devices such as respirators, anesthesia machines, and dialysis equipment. They control the flow of gases and fluids in life-saving procedures.
Fire Protection Systems: Valves are integral to fire sprinkler systems, allowing water to flow when triggered by heat or smoke. They aid in controlling and suppressing fires.
Automated Manufacturing: Industrial automation relies on valves to control the movement of fluids and gases in manufacturing processes, ensuring precision and consistency.
These are just a few examples of the myriad applications of valves across various industries. From household utilities to cutting-edge technologies, valves play a pivotal role in ensuring safety, efficiency, and reliable operation in diverse environments.
Selecting the correct valve for your project may seem complicated. However, you can quickly limit your choices to determine the best value for your needs by starting with general characteristics - such as valve design, valve size, and actuation method.
Whether you are designing a new processing system or looking to upgrade or maintain an existing system, Yuanda valves can help you find the ideal solution for your application and usage environment. As a leading manufacturer and supplier specializing in valves, can you provide the people and help you need or have questions?
According to "Global Industrial Valves Market by Product Type, Application, Region, Competition Forecast and Opportunity 2012 - 2022, the global industrial valves market is expected to exceed USD 77 billion by 2022". The demand for industrial valves is expected to rise in the coming years as they are used in various commercial construction projects, automation projects, etc. Increasing industrialization expansion of existing facilities due to technological innovations stimulates demand and drives industry growth.
Industrial valves are available in various types: gate valves, globe valves, ball valves, butterfly valves, check valves, pressure valves, and diaphragm valves. These valves perform various functions based on different operating principles.
Ball valves, which are used for flow control and require tight shutoff, accounted for more than 19% of the revenue share in 2014.
In recent years, butterfly valves have been widely used in the automation and oil & gas industries and are in great demand.
Check valves will witness strong growth, growing at a CAGR of over 7% in the coming years. These check valves are used to prevent the process from returning to the system, thereby damaging the equipment and interrupting the process.
Industrial valves are devices used to regulate liquids, gases, and slurries. The flow of liquids or gases can be controlled using these valves. This can be done through pipelines and other passages by opening, closing, and partially blocking passages or pipes.
Different types of industrial valves include:
- Gate valves
- Stop valves
- Ball valves
- Butterfly valves
- Check valve
Gate valves are designed to be used as isolation valves. These valves help to control the flow of liquid through the pipeline. To start or stop water flow or any other type of liquid, these valves are fixed to the pipeline. Gate valves are used for various purposes and are commonly found in homes and commercial centers. Different materials such as stainless steel, cast iron, alloy steel, forged steel, etc., are used to manufacture these valves.
Gate valves are used to stop or start the flow of water. The function of a gate valve includes lifting the round shape of a rectangular gate out of the fluid path. There is nothing to impede the flow when the gate valve is open because the pipe diameter and the gate have the same opening. This orifice diameter can determine the valve size.
Advantages
- Gate valves have shallow frictional losses
- They can be used in both directions in the circuit
- They provide laminar flow with minimal pressure loss
- Gate valves help save energy and reduce the total cost of ownership
- Will have low-pressure drop when fully open and seal tightly
Disadvantages
- Gate valves do not open and close quickly
- They can cause vibration
- In systems with irregular changes in temperature, gate valves can leak due to the load on the piping at the valve end
- Gate valve seating surfaces are complex to operate, maintain and repair
Applications
- Gate valves are suitable for high temperature and high-pressure conditions.
- They are used for switching applications
Shutoff valves are one of the most popular types of valves for various applications. These valves are similar to gate valves and use linear motion to throttle the flow. They are used to control the flow in the pipeline and are regulated by the movable disc (or plug) relative to the fixed ring seat. The main advantage of a globe valve is that it does not leak like other valves.
Shutoff valves consist of baffles that separate the inside of the pipe, which is usually parallel to the length of the pipe. They are named after their spherical body shape, with the two halves of the body separated by an internal baffle. It consists of a removable disc element and a fixed ring seat located inside a roughly spherical body.
Advantages
- Stop valves throttle the flow and have a good complete shutoff.
- Shorter opening and closing times.
- Easier surface preparation of the valve body seat.
- They can be used as shutoff check valves.
- They contain positive shutoff
Disadvantages
- Higher pressure loss
- To close at high pressures, shutoff valves require higher forces or actuators with high torque.
Applications
Globe valves are primarily used for throttling purposes. They can be considered as general-purpose flow control valves for high-temperature applications.
As the name implies, ball valves use a ball to control the flow of material from one opening to the next. These valves work by allowing the orifice to open, block, or partially open to regulate the flow of gas/liquid. Ball valves are ideal for gases because they provide a better seal. They are very versatile as they support pressures up to 700 bar and temperatures up to 200°C and typically range in size from 0.5 cm to 30 cm. They are simple in construction and easy to operate and maintain.
They are designed with special measures to allow only the 90-degree rotation required to open and close the ball valve. These valves are a great industrial choice because they provide a reliable gas-tight seal in a closed position.
Advantages
- They contain a compact and low-maintenance design that requires no lubrication
- Cost-effective of all valves
- The most significant advantage of ball valves is their poor throttling characteristics, which can cause the ball valve seat to be susceptible to erosion.
- They provide leak-proof service.
- They can be opened and closed quickly.
- Ball valves offer multi-way design flexibility.
Disadvantages
- Ball valves are not suitable for permanent throttling.
- In residual fluids, particles in the fluid collide with and adhere to the surface. This can lead to leakage, wear, and other problems.
Applications
- Ball valves are used for flow and pressure control and shutoff of corrosive fluids, slurries, common liquids, and gases.
- They are used in the oil and gas industry and have a place in many manufacturing, chemical storage, and even residential uses.
Butterfly Valves Butterfly valves are designed to regulate flow but have limited control. The butterfly valve can be easily operated by turning the handle 90 degrees. It consists of a metal disc in the valve body positioned perpendicular to the fluid in the closed position. The flow of fluid can be regulated by rotating it in the middle. Butterfly valves are configured for electric, manual or pneumatic operation.
They can be used in various applications in water supply, wastewater treatment, fire and gas supply, chemical and petroleum industries, fuel handling systems, power generation, etc. These valves can be operated by a handle, gear, or actuator depending on the specific needs.
Advantages
- Butterfly valves are exact, which gives them an advantage in industrial applications.
- They are very reliable and require little maintenance.
- They can throttle the flow.
- They can be installed or removed without dislocating the piping system
Disadvantages
- Butterfly valves do not close tightly - some part of the valve flap is always present in the flow, and the valve is not in place.
Some valve flap is always present in the flow, even when fully open. This can result in a pressure switch on the valve, regardless of the setting.
Applications
- Butterfly valves are used in pharmaceutical, chemical, and food processing services.
- They are used for corrosive fluids at low temperatures and pressures.
Check Valves Check valves are also known as non-return valves (NRVs). They allow liquids to flow in only one direction and prevent the medium from flowing back in the opposite direction. The purpose of a check valve is to prevent process backflow in a system, which could damage equipment or disrupt the process.
They are typically used to protect pumps in liquid applications or compressors in gas systems where backflow may cause the pump or compressor to shut down. The basic design of check valves reduces backflow in the line.
Because of their more straightforward design, they can operate without human interaction and automation. They rely on the flow rate of the fluid to open and close. The higher the flow rate, the more the valve opens until it reaches its maximum fully open position.
Advantages
- Check valves prevent backflow
- They can withstand pressure
- Check valves are used as backup systems
Disadvantages
- They cannot be used with pulsating systems
- Closing elements can collide, causing damage and excessive wear
Applications
- Check valves are used in various markets and applications because they contain simple designs and a wide selection of materials.
- They help prevent backflow and maintain pressure.
- Check valves are seen in refining, petrochemical, and chemical industries, oilfield production, water, steam, refinery oil, and viscous fluids.
- They are also common in wastewater management systems and manufacturing.
Industrial valves can be purchased from manufacturers worldwide at affordable prices.
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