Metal Seat Butterfly Valve vs Soft Seat Butterfly Valve
Selecting the correct butterfly valve seat material is critical for achieving optimal sealing performance, service life, and operational reliability. While both metal seated and soft seated butterfly valves are widely used in industrial applications, each design is intended for different operating conditions. Comparison Table Feature Metal Seat Butterfly Valve Soft Seat Butterfly Valve Temperature Resistance Excellent Limited Abrasive Media Excellent Poor Steam Service Suitable Not Recommended Wear Resistance High Moderate Bubble-Tight Shutoff Good Excellent Maintenance Frequency Low Moderate Service Life Long Medium Initial Cost Higher Lower Advantages of Metal Seat Butterfly Valves Metal seated butterfly valves are specifically designed for severe service conditions where elastomer or PTFE seats may fail. Benefits include: High-temperature capability Superior abrasion resistance Longer service life Better performance in steam applications Improved durability und...