Double Flange Inclined Seat Swing Check Valve

Product Overview

The Double Flange Inclined Seat Swing Check Valve is a non-return valve designed to prevent backflow in pipeline systems while ensuring smooth forward flow with minimal resistance. Its inclined seat structure improves hydraulic performance, reduces water hammer effects, and enhances sealing reliability.

Key Features

• Double flange connection for strong pipeline integration

• Inclined seat design for improved flow efficiency

• Swing-type disc for automatic non-return operation

• Low head loss and smooth flow characteristics

• Reduced water hammer effect during closing

• Durable sealing performance with reliable shut-off

• Robust construction suitable for heavy-duty applications

• Easy maintenance and long service life

Applications

• Water supply and distribution systems

• Pumping stations and booster systems

• HVAC and cooling water systems

• Industrial fluid pipelines

• Fire protection systems

• Irrigation and agricultural networks

• Power plants and utility systems

• General industrial pipeline protection

Technical Specifications

• Product Type: Swing Check Valve

• Structure: Inclined seat swing disc design

• End Connection: Double flange

• Size Range: DN50–DN1200 (typical range)

• Pressure Rating: PN10 / PN16 / PN25 / Class 150 (varies by model)

• Body Material: Cast iron / ductile iron / carbon steel

• Disc Material: Stainless steel / ductile iron / bronze

• Seat Material: EPDM / NBR / metal seat options

• Installation: Horizontal pipeline (standard), vertical optional

Advantages

• Improved hydraulic performance with inclined seat design

• Reliable prevention of reverse flow

• Reduced water hammer and system shock

• High durability for continuous operation

• Easy installation and maintenance

• Suitable for large-diameter pipelines

Quality Assurance

The Double Flange Inclined Seat Swing Check Valve is manufactured under strict quality control systems and tested for sealing performance, pressure resistance, and hydraulic efficiency to ensure reliable operation in industrial and municipal pipeline systems.

Conclusion

This valve provides an efficient and durable solution for backflow prevention, combining strong sealing performance, smooth flow characteristics, and enhanced system protection for a wide range of industrial applications.