Product Features and Applications
Structural Features
Swing Design:
The swing check valve’s disc is connected by a hinge, allowing it to be pushed open by the flow of media. When the media flows backward, the disc automatically closes to prevent backflow.
Flanged Connection:
The valve has flanges at both ends for secure connection to the piping system, ensuring a solid installation suitable for medium to high-pressure pipeline systems with good sealing performance.
Unidirectional Flow:
The valve is designed for unidirectional flow; it opens when the media flows in the correct direction and closes immediately when backflow occurs, preventing reverse flow.
Strong Sealing:
The valve is typically equipped with wear-resistant sealing materials, such as rubber or metal sealing rings, to ensure stable sealing performance over long-term use.
Performance Features
Preventing Backflow：
The swing check valve effectively prevents backflow of media, protecting pumps, compressors, and other equipment from the effects of reverse flow. It is suitable for a variety of media, including liquids, gases, and steam.
Simple Structure, Reliable Operation:
The valve has a simple design with few moving parts, making it reliable and easy to maintain, suitable for long-term use.
Wide Applicability：
This valve is suitable for various working conditions and media, including water, oils, chemicals, steam, and air. It is widely used in fields such as water treatment, petrochemicals, power generation, and HVAC and other fields.
Horizontal and Vertical Installation：
The swing check valve can be installed in horizontal or vertical pipelines. When installed vertically, the medium should flow from the bottom to the top.
Application Fields
Water Treatment Systems：
Used in drinking water treatment and wastewater treatment systems, it prevents backflow of water, protecting pumps and other equipment.
Petrochemical Industry：
In the petrochemical industry, this valve is utilized to control the flow of various fluids, ensuring safe operation and preventing backflow in processes involving crude oil, refined products, and chemicals.
HVAC Systems：
In HVAC systems, this valve is used to prevent the backflow of chilled or hot water, protecting system equipment and maintaining normal operation.
Steam Systems：
Suitable for steam pipelines, this valve prevents backflow of steam, protecting boilers, steam equipment, and the safety of the piping system.
Installation and Maintenance
Installation Position
The swing check valve is typically installed in horizontal pipelines but can also be installed in the ascending section of vertical pipelines to ensure that the medium flows in the designed direction.
Regular Inspection：
It is necessary to regularly check the condition of the valve disc and seals to prevent a decline in sealing performance due to wear or corrosion from the medium.
Easy Maintenance：
This valve features a simple structure, making it easy to disassemble and assemble. During maintenance, seals and the valve disc can be conveniently replaced, reducing downtime.
