3 Inch Brass Swing Check Valve for Water Pipe, Automatic Backflow Prevention, Durable Construction

3 Inch Brass Swing Check Valve for Water Pipe, Automatic Backflow Prevention, Durable Construction Description

Brass Check Valve 3 Inch Key features Size: 3 inch nominal for standard pipeline integration. Valve body material: brass for reliable mechanical strength and long service life. Rated working pressure: 1.6 MPa. Compatible media: water, oil, gas. Working temperature range: 20 to 120 degrees C. Function: allows flow in one direction and prevents backflow automatically. Why this valve matters Protects pumps and downstream equipment by preventing reverse flow that can cause damage or interruption. Reduces maintenance and downtime through simple, automatic operation with no external power or control required. Brass construction offers good mechanical durability and resistance to common pipeline fluids, supporting consistent performance over time. Clear pressure and temperature ratings make selection straightforward for matching to system requirements. Performance and compatibility Designed for inline installation in 3 inch piping systems handling water, oil, or gas. Rated to operate safely up to 1.6 MPa and across a wide temperature range from 20 to 120 degrees C, making it suitable for a variety of service conditions. Compact design minimizes footprint while maintaining reliable sealing to prevent backflow. Typical applications Building water supply lines to prevent contamination from backflow and to protect pumps and meters. Industrial oil circulation or lubrication circuits where oneway flow is required to protect pumps and maintain system pressure. Gas distribution or process lines where automatic backflow prevention is needed to protect compressors and downstream equipment. Technical summary Product name: Brass Check Valve Size: 3 inch Valve body material: brass Work pressure: 1.6 MPa Media: water, oil, gas Working temperature: 20 to 120 degrees C Select this brass check valve when you need a straightforward, reliable solution to stop reverse flow in 3 inch piping systems while matching clear pressure and temperature requirements.