Pressure Seal Check Valve
A pressure seal check valve is a type of check valve that uses a pressure seal to prevent backflow. The valve features a pressure-assisted seal that is designed to close tightly against the valve seat, preventing backflow and ensuring a tight seal. These valves are typically used in high-pressure and high-temperature applications, such as power plants and chemical processing plants. They are also commonly used in pipelines and other fluid systems where a tight seal is required to prevent leakage.
Parts
- Body
- Disc
- Seat
- Hinge
- Spring
- Cover
- Yoke
- Pressure Seal
Advantages
- These valves are designed to withstand high pressure and temperature conditions, making them ideal for use in power plants, chemical processing plants, and other high-pressure applications.
- The pressure-assisted seal on these valves provides a tight seal against the valve seat, preventing backflow and ensuring that there is no leakage.
- These valves have relatively simple designs, with few internal moving parts, which makes them relatively easy to maintain and repair.
- They are typically made of high-quality materials such as stainless steel or alloy, which makes them durable and resistant to wear and tear.
- These valves typically have a compact design, which allows them to be easily installed in pipelines and other fluid systems.
- These valves are known for their reliability, as they are designed to operate with a high degree of accuracy and repeatability.
- The pressure seal design allows for low opening and closing torque, reducing the stress on the actuator.
- They can be actuated by a simple pneumatic or hydraulic actuator, making them easy to control and automate.
- Due to the pressure seal design, these valves typically have a longer life span than traditional check valves.
Industries which use them
- Power Generation Plants
- Oil and Gas Industry
- Chemical Processing Industry
- Pharmaceutical Industry
- Paper and Pulp Industry
- Food and Beverage Industry
- Marine Industry
Applications
- These valves are used to control the flow of steam in power plants, industrial boilers, and other high-pressure steam systems.
- These valves are used to control the flow of water in pipelines, treatment plants, and other water systems.
- They are used to control the flow of crude oil, natural gas, and other fluids in pipelines and processing plants.
- These valves are used to control the flow of corrosive and hazardous chemicals in chemical processing plants.
- These valves are used to control the flow of liquids and gases in sterile environments in pharmaceutical manufacturing.
- They are used to control the flow of fluids in waste water treatment plants.
- These valves are used to control the flow of feedwater in boilers, and other high-pressure systems.
- Pressure seal check valves are used to control the flow of water in fire protection systems.
- These valves are used to control the flow of compressed air in pneumatic systems.