Disc Check Valves

Disc check valves, also known as non-return or one-way valves, are essential components in fluid systems. These valves allow the flow of fluids in one direction while preventing back-flow in the opposite direction. They consist of a hinged or spring-loaded disc that opens when fluid flows in the intended direction and closes to block reverse flow, ensuring the system's integrity and preventing back-flow, which can be detrimental to pipelines, pumps, and other equipment. Disc check valves are commonly used in various industries to maintain fluid flow control and prevent the unintended reversal of fluids, ensuring efficient and safe operation of fluid systems.

Key Features

Key features and benefits of Disc Check Valves
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Key Features

These valves effectively prevent reverse flow of fluids, ensuring that liquids or gases move in the intended direction within a system. By doing so, these components play a crucial role in maintaining system integrity, reducing the risk of operational failure or malfunction.
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Key Features

Disc check valves are known for their straightforward design, which typically consists of a single disc that moves in response to the flow of liquid or gas. This simplicity minimises the number of moving parts, leading to fewer points of potential failure compared to more complex valve types.
3

Key Features

They provide a rapid and efficient response to changes in flow direction, minimizing any delay in operation. This ensures that the valve closes instantly upon detecting back-flow, preventing potential damage to the system, maintaining safety, and improving the overall efficiency of the flow control process.
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Key Features

These valves typically cause minimal pressure drop, ensuring smooth and unrestricted fluid flow through the system. By minimising resistance, they help maintain optimal pressure levels, which not only supports efficient operation but also contributes to reduced energy consumption. This efficiency can lead to cost savings over time, as less energy is required to maintain the desired flow rate.
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Key Features

Disc check valves are designed for reliability and efficiency across a wide range of applications, providing a low-maintenance solution for fluid control. Their compact design makes them easy to install in confined spaces, while their ability to operate under varying pressures and temperatures ensures optimal performance in demanding environments.
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Key Features

Disc check valves are highly regarded for their reliability in fluid system protection. Their durability stems from the robust materials used in construction, which can withstand high pressures and varying temperatures. This ensures a long service life, even in demanding applications. Additionally, their low maintenance requirements mean fewer interventions are needed, reducing overall downtime and costs.

AV-9730 Axial Disc Check Valve

The AV-9730 is a type of non-return valve designed to control the flow of fluids within pipelines. It features a disc-shaped closure element that moves along the axis of the valve, allowing flow in one direction while preventing backflow. These valves are commonly used to maintain the integrity and efficiency of fluid systems, ensuring that substances can only move in the desired direction and preventing reverse flow, thereby safeguarding equipment and pipelines from damage or contamination.

Size Range: DN25-DN300 (2" to 12")
Temperature Range: -10°C to 105°C
Pressure Rating: PN16
Applications:
Body Materials: Cast Iron Body, EPDM Seat, Stainless Steel Spring
End Connection: Flanged PN16
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AV-9740 Axial Disc Check Valve

The AV-9740, often used in fluid systems, is a type of non-return valve designed to allow the flow of a fluid in one direction while preventing reverse flow. It features a disc that moves axially, in the same direction as the fluid flow, allowing for low-pressure drop and reduced turbulence in the system. These valves are suitable for applications where maintaining flow direction and preventing backflow is essential, offering efficient and reliable fluid control in various industries, including oil and gas, water distribution, and industrial processes.

Size Range: DN50-DN300 (2" to 12")
Temperature Range: -10°C to 120°C
Pressure Rating: PN16
Body Materials: Cast Iron Epoxy Coated Body, EPDM Seal Rated PN1
End Connection: Flanged PN16
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AV-9745 Axial Disc Double Check Valve

The AV-9745 is a type of non-return valve designed to prevent the backflow of fluids in a pipeline. It features two opposing spring-loaded discs that allow flow in one direction while closing to block flow in the opposite direction. This design ensures reliable protection against backflow and is commonly used in applications where fluid contamination or cross-contamination must be avoided, such as in water supply systems and industrial processes.

Size Range: DN50-DN300 (2" to 12")
Temperature Range: -10°C to 120°C
Pressure Rating: PN16
Body Materials: Cast Iron Epoxy Coated Body, EPDM Seals
End Connection: Flanged PN16
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Frequently Asked Questions

An Axial Disc Check Valve is a type of non-return valve that allows fluid to flow in one direction while preventing backflow by using spring-loaded discs.

It consists of a body, two opposing spring-loaded discs, a seat, and connections for the pipeline.

They are widely used in applications where backflow prevention is critical, such as water supply systems, wastewater treatment, and industrial processes.

It differs in its design with two spring-loaded discs that open and close axially, allowing for efficient, low-pressure drop flow control.

These valves offer minimal pressure loss, reduced turbulence, and reliable backflow prevention, making them suitable for high-performance applications.

They should be installed with the arrow on the body indicating the flow direction, ensuring proper alignment and orientation.

Yes, they are suitable for both liquid and gas applications, providing versatile backflow protection.

No, they are relatively low maintenance due to their simple design and durable materials.

Factors to consider include flow rate, pressure rating, material compatibility, and the need for specific certifications (e.g., WRAS for potable water).

Yes, Actuation Valve offers sustainable spares and replacement parts for ongoing maintenance schedules.

The lifespan varies depending on usage, but with proper maintenance, they can last for many years, providing a reliable solution for backflow prevention.

FAQ

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Axial Disc Check Valves