PPH Ball Check Valve DN15-300
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A check valve is a mechanical device that allows fluid or gas to flow in only one direction. It is designed to prevent backflow, also known as backpressure or back siphonage, and it automatically opens and closes to control the flow of the fluid or gas. There are several different types of check valves, including swing check valves, lift check valves, ball check valves, diaphragm check valves and many more.
A swing type check valve, ball check valve, and single union socket check valve are all types of check valves that are used for specific applications.
A swing type check valve, also called a swing check valve, is a type of check valve that uses a hinged disc that swings open when fluid or gas flows in the correct direction, and then closes by gravity when flow is reversed. Swing check valves are commonly found in large pipe sizes and high-pressure systems. They have a relatively simple and robust design, which makes them easy to maintain and repair, and they are often used in applications that require a high flow rate and a tight shutoff.
A ball check valve, also called a ball non-return valve, uses a ball that sits in the flow path. When flow is in the correct direction, the ball is pushed out of the way and fluid or gas can flow through the valve. When flow is reversed, the ball is forced against its seat and the valve closes. Ball check valves are commonly found in small pipe sizes and low-pressure systems. They are relatively inexpensive and easy to maintain, and they are often used in applications where a low flow rate is sufficient and where space is limited.
A single union socket check valve is a type of check valve that has a single union socket connection. This type of connection allows for easy installation and removal of the valve, and it is typically used for smaller diameter pipes. A single union socket check valve is particularly useful for applications where frequent maintenance is required as it allows for easy access and replacement. They are also called a plastic check valves and are typically used in low-pressure and low-temperature applications.
All these types of check valves allow flow in only one direction and prevent backflow, and they can be used to protect equipment and prevent damage in a wide range of industrial, commercial, and institutional applications.