2026-06-22
Selecting the right seat material for a butterfly valve is one of the most critical decisions in valve specification. The seat material directly affects the valve's chemical resistance, temperature range, sealing performance, and service life. Choose wrong, and you risk premature failure, leakage, or costly downtime. This guide compares the most common butterfly valve seat materials — EPDM, NBR, PTFE, FKM, and Hypalon — and provides a practical framework for making the right choice for you
