2 Inch Brass Non Return Valve Swing Check Valve Sping Check Valve

Product Specification

Brass Check Valve ,Non-Return Valve, Swing Check Valve ,Sping Check Valve

1/2 " To 4 " 16 Bar Brass Swing Check Valve

CV-6031

• Nominal Pressure: 16Bar 
• Working Medium: Water, Non-corrosive liquid
• Working Temperature: -10℃≤t≤115℃
• Thread to ISO228
• Note: Sealing Material is Brass
• Swing check valve size: 1-1/4 inch BSP female x female threaded.
• Swing check valve material: Brass.
• Max pressure: 232 Psi.
• Wide application: Applicable for water, steam, oils, nitric acid, urea, and more. They are mainly used in petroleum, chemical, pharmacy, fertilizer, and electricity pipelines.
• Good sealing: The lifting and closing parts are opened or closed by the medium flow and the force, and the sealing property is suitable to prevent liquid leakage. This type of valve should be installed horizontally, allowing only the medium to flow in one direction to avoid accidents.

what is a check valve

A check valve, also known as a non-return valve or one-way valve, is a type of valve that allows fluid or gas to flow in only one direction. Its primary function is to prevent backflow or reverse flow, ensuring that the flow of fluid or gas occurs in a single direction while preventing any flow in the opposite direction.

The construction and operation of check valves can vary, but they typically consist of a valve body with an inlet and an outlet, and a movable mechanism that allows flow in one direction while blocking flow in the opposite direction. The most common types of check valves include:

1.Swing Check Valve: A swing check valve has a hinged disc or flap inside the valve body. When the fluid or gas flows in the desired direction, the disc is pushed open, allowing flow. However, when the flow tries to reverse, the disc swings back to its closed position, blocking the flow.

2.Lift Check Valve: A lift check valve has a disc that moves vertically along the valve body. When the fluid or gas flows in the desired direction, the pressure lifts the disc, allowing flow. If there is backflow or reverse flow, the disc drops back into its closed position, preventing the flow.

3.Ball Check Valve: A ball check valve has a spherical or cylindrical-shaped disc (ball) inside the valve body. The ball moves freely within the valve body, allowing flow in one direction. When the flow attempts to reverse, the ball is pushed by the fluid or gas and seals against the valve seat, blocking the flow.

4. A spring check valve is a specific type of check valve that incorporates a spring mechanism to assist in the opening and closing of the valve. It is designed to allow fluid or gas flow in one direction while preventing backflow or reverse flow in the opposite direction.

check valve function

The primary function of a check valve is to allow the flow of fluid or gas in one direction while preventing backflow or reverse flow in the opposite direction. It serves as a mechanical barrier that ensures the flow occurs in a single direction, providing the following functions:

1.Backflow Prevention: The main purpose of a check valve is to prevent backflow or reverse flow. It ensures that once the fluid or gas passes through the valve in the desired direction, it cannot flow back in the opposite direction. This helps maintain the integrity of a system, prevents contamination, and protects equipment from damage.

2. Protection of Pumps and Equipment: Check valves are often used to protect pumps, compressors, and other equipment from damage caused by backflow. When a pump is shut off, a check valve prevents the backflow of fluid, which could potentially cause the pump to rotate in the wrong direction or experience damaging pressure surges.

3. Maintaining System Pressure: In systems where pressure needs to be maintained, check valves play a vital role. They ensure that pressure is not lost due to reverse flow, allowing the system to operate efficiently and effectively.

4.Elimination of Water Hammer: Water hammer refers to the pressure surges that occur when a fluid flow is suddenly stopped or changed direction. Check valves help reduce water hammer effects by allowing fluid to flow in a single direction, preventing sudden changes in flow direction and associated pressure surges.

4.Flow Regulation: While the primary function of a check valve is to prevent backflow, it can also regulate the flow of fluid or gas to some extent. Some check valves may have adjustable mechanisms or variable opening pressures, allowing for control over the flow rate and pressure.

5.Flow Regulation: While the primary function of a check valve is to prevent backflow, it can also regulate the flow of fluid or gas to some extent. Some check valves may have adjustable mechanisms or variable opening pressures, allowing for control over the flow rate and pressure.

6.Simplified System Design: Check valves eliminate the need for additional manual or automated valves to control flow direction. They simplify system design by providing automatic one-way flow control.

Check valves are commonly used in various industries and applications, including plumbing systems, HVAC systems, oil and gas pipelines, water treatment plants, manufacturing processes, and more. Their function is critical for maintaining system efficiency, preventing damage, and ensuring the proper operation of fluid or gas systems.

what does a check valve do

A check valve, also known as a non-return valve or one-way valve, is a device that allows fluid or gas to flow in one direction while preventing backflow or reverse flow in the opposite direction. Its main function is to ensure that the flow occurs in a single direction and to prevent the undesired reversal of flow. Here's what a check valve does:

1.Backflow Prevention: The primary function of a check valve is to prevent backflow. It allows fluid or gas to flow in the desired direction, but when the flow tries to reverse, the check valve closes and blocks the reverse flow. This helps maintain the integrity of a system and prevents the contamination of upstream components or fluids.

2. Flow Control: Check valves provide control over the direction of flow. They allow flow in one direction and block flow in the opposite direction, ensuring that the fluid or gas only travels in the intended path. This is particularly important in systems where flow reversal can lead to damage, inefficiency, or safety hazards.

3.Pressure Regulation: Check valves can assist in regulating and maintaining system pressure. They prevent pressure surges and fluctuations caused by backflow, ensuring a consistent pressure level in the system. This is especially useful in systems that require steady and controlled pressure conditions.

4.Protection of Equipment: Check valves serve as protective devices for pumps, compressors, and other equipment. By preventing backflow, they safeguard the equipment from damage that may result from reverse flow, such as hydraulic shocks, cavitation, or operational issues due to flow reversal.

5.Water Hammer Prevention: Water hammer refers to the sudden increase in pressure caused by the rapid change in fluid flow direction. Check valves help mitigate water hammer effects by allowing flow in one direction and reducing the impact of sudden flow changes, which can cause pressure surges and mechanical stress in the system.

6.Simplified System Design: Incorporating check valves in a system simplifies its design. They eliminate the need for additional valves or control mechanisms to regulate flow direction, as the check valve automatically allows flow in one direction and blocks flow in the opposite direction.

Check valves are commonly used in various industries and applications, including plumbing systems, HVAC systems, oil and gas pipelines, water treatment plants, manufacturing processes, and more. Their crucial role in preventing backflow and maintaining the desired flow direction ensures the efficiency, reliability, and safety of fluid or gas systems.

Package Detail

OEM Logo Polybag, Colour Boxs, Colour Master Carton

• FAQ

Q: How long is your product guarantee period?
A: We have Two years guarantee and 24 hours full-time service.

Q: What is your MOQ?
A: Normal Each Items 3000pcs MOQ.

Q: Can you accept OEM,ODM?
A: we accpet OEM.

Q: How long is your delivery time?
A: 30-35 days After Confirm Order